Hot Selling Home Energy Storage System
In the competitive market, home energy storage system from Dongguan Huawen New Power Co., Ltd. stands out with its reasonable price. It has obtained patents for its design and innovation, winning high recognition from both domestic and foreign markets. Many famous enterprises benefit from it as it has premium stability and long-term service life. Pre-delivery testing is conducted to eliminate defects.
We have created our own brand - Huawen. In the early years, we worked hard, with great determination, to take Huawen beyond our borders and give it a global dimension. We are proud to have taken this path. When we work together with our customers all over the world to share ideas and develop new solutions, we find opportunities that help make our customers more successful.
This home energy storage system efficiently manages and utilizes renewable energy sources for optimized household consumption. By storing excess energy for later use, it enhances energy independence and reduces grid reliance. The system seamlessly integrates with existing electrical setups to support sustainable living.
First point: A home energy storage system helps reduce electricity bills by storing off-peak energy for peak usage, supports renewable energy integration, and provides backup power during outages. Its scalability ensures long-term cost savings and sustainability.
Second point: Ideal for households with solar panels to store excess energy, areas with unstable grids, or regions with time-of-use tariffs. It ensures uninterrupted power supply for critical appliances and optimizes energy consumption patterns.
Third point: Choose based on battery capacity (kWh) matching household needs, compatibility with existing solar inverters, and round-trip efficiency. Prioritize lithium-ion batteries for longevity and consider systems with smart management software for optimal energy distribution.
no data
Excellent performance, customized for construction sites
The lithium titanate battery power system, with the unique rate characteristics and excellent low-temperature performance of lithium titanate materials, perfectly solves the problem of high-rate power demand that traditional batteries are difficult to cope with in the complex environment of construction sites. The system is designed for heavy-duty electrical equipment on construction sites, and can provide strong support for both the instantaneous high power demand when the equipment is started and the stable power supply during continuous operation. Its unique voltage stabilization and frequency modulation functions effectively reduce the impact of power fluctuations on equipment performance, ensure the smooth and safe operation of the equipment, and greatly improve work efficiency and service life.
Technological innovation leads the industry trend
The core advantage of the lithium titanate battery power system lies in the high-performance lithium titanate material it uses. Compared with traditional battery materials, lithium titanate has higher safety, longer cycle life and a wider temperature adaptability range, which means that even in extreme environments such as extreme cold or high temperature, the system can still work stably and provide uninterrupted power guarantee for construction site operations. Its excellent rate performance enables the system to respond quickly and meet the high power demand of the equipment in a short period of time, bringing unprecedented convenience and efficiency to construction sites.
Smooth delivery, opening the future chapter
At present, after strict quality inspection and performance testing, the 789.6V 28Ah lithium titanate battery power system has been successfully delivered and officially entered the on-site commissioning stage, ensuring that the system is highly matched with the construction site operating environment and performs optimally. The successful launch of the lithium titanate battery power system is not only a reflection of the innovation in the application of Lishen super-electric technology, but also an important contribution to global construction site energy solutions.
With the excellent performance and reliable quality of its products, Lishen Battery brings safer, more efficient and greener energy support to construction site operations, helping to open a new chapter in the use of construction site energy.
The lithium titanate battery power system, with the unique rate characteristics and excellent low-temperature performance of lithium titanate materials, perfectly solves the problem of high-rate power demand that traditional batteries are difficult to cope with in the complex environment of construction sites. The system is designed for heavy-duty electrical equipment on construction sites, and can provide strong support for both the instantaneous high power demand when the equipment is started and the stable power supply during continuous operation. Its unique voltage stabilization and frequency modulation functions effectively reduce the impact of power fluctuations on equipment performance, ensure the smooth and safe operation of the equipment, and greatly improve work efficiency and service life.
Technological innovation leads the industry trend
The core advantage of the lithium titanate battery power system lies in the high-performance lithium titanate material it uses. Compared with traditional battery materials, lithium titanate has higher safety, longer cycle life and a wider temperature adaptability range, which means that even in extreme environments such as extreme cold or high temperature, the system can still work stably and provide uninterrupted power guarantee for construction site operations. Its excellent rate performance enables the system to respond quickly and meet the high power demand of the equipment in a short period of time, bringing unprecedented convenience and efficiency to construction sites.
Smooth delivery, opening the future chapter
At present, after strict quality inspection and performance testing, the 789.6V 28Ah lithium titanate battery power system has been successfully delivered and officially entered the on-site commissioning stage, ensuring that the system is highly matched with the construction site operating environment and performs optimally. The successful launch of the lithium titanate battery power system is not only a reflection of the innovation in the application of Lishen super-electric technology, but also an important contribution to global construction site energy solutions.
With the excellent performance and reliable quality of its products, Lishen Battery brings safer, more efficient and greener energy support to construction site operations, helping to open a new chapter in the use of construction site energy.
Energy storage company Ingrid Capacity is rapidly building battery storage parks. 14 parks will be operational this autumn. To optimize the use of these parks, the company is developing new digital tools and recruiting more data experts.
Ingrid Capacity recently opened a 12 MW battery park (12 MWh) outside Gävle, which is connected to Gävle Energi and approved by the Swedish National Grid. This is one of the company's 14 battery storage parks, totaling about 200 MW, which will be operational in autumn 2024 and will be used mainly for the fast-growing ancillary services market on the Swedish grid. In addition, another 200 MW of energy storage facilities will enter the construction phase this autumn. Since its establishment in 2022, the company has expanded rapidly with external funding and aims to install 8 GW of capacity across Europe by 2030.
Extremely data-driven
But the company’s expansion is not limited to hardware, with an increasing focus on software development – using technologies such as artificial intelligence to develop new digital tools for grid analysis and trading to optimize battery use.
“We are extremely data-driven across the entire value chain,” said Andreas Langholz, Ingrid Capacity’s new head of digital strategy. “This is particularly important in our engagement with grid companies – we are able to show how battery storage can improve local infrastructure through data simulations and show the impact of different options on grid stability.”
Ingrid Capacity has already conducted similar data simulations across the country, analyzing factors such as power demand, grid sites, and demographic development, which provide a basis for the selection of locations for battery storage parks that are about to be put into operation.
Rapid development
According to Andreas Langholz, increasing the level of digitalization is a necessary condition for optimizing the operation of battery parks. Langholz previously led the application of AI in the energy and industrial sectors at McKinsey. He pointed out that energy companies need to pay more attention to the development of digitalization and AI, and said: "In the past year, technologies such as Chat GPT and generative AI have developed rapidly, and they can be widely used in internal processes such as document management, procurement and contract processing."
Ingrid Capacity plans to combine generative AI with machine learning, mathematical optimization and software development, and explore how to combine energy network simulation with visual recognition systems to discover the potential for improvement in power grid infrastructure.
Demand for IT developers
In the past six months, Ingrid Capacity has rapidly expanded its data team, with data experts and software developers accounting for an increasing proportion. By 2030, the company expects to hire 150 to 200 employees, of which the data team will be the largest part. However, finding the right IT talent is not easy.
"IT talent resources are limited, and we are looking for mathematicians, statisticians, data engineers with doctoral degrees, and talents familiar with infrastructure and API management." Langholz said.
He also advised other energy companies to ensure that they have modern infrastructure and high-quality data when using AI to develop data tools, and to start with a few projects and move forward step by step, while encouraging risk-taking.
Ingrid Capacity recently opened a 12 MW battery park (12 MWh) outside Gävle, which is connected to Gävle Energi and approved by the Swedish National Grid. This is one of the company's 14 battery storage parks, totaling about 200 MW, which will be operational in autumn 2024 and will be used mainly for the fast-growing ancillary services market on the Swedish grid. In addition, another 200 MW of energy storage facilities will enter the construction phase this autumn. Since its establishment in 2022, the company has expanded rapidly with external funding and aims to install 8 GW of capacity across Europe by 2030.
Extremely data-driven
But the company’s expansion is not limited to hardware, with an increasing focus on software development – using technologies such as artificial intelligence to develop new digital tools for grid analysis and trading to optimize battery use.
“We are extremely data-driven across the entire value chain,” said Andreas Langholz, Ingrid Capacity’s new head of digital strategy. “This is particularly important in our engagement with grid companies – we are able to show how battery storage can improve local infrastructure through data simulations and show the impact of different options on grid stability.”
Ingrid Capacity has already conducted similar data simulations across the country, analyzing factors such as power demand, grid sites, and demographic development, which provide a basis for the selection of locations for battery storage parks that are about to be put into operation.
Rapid development
According to Andreas Langholz, increasing the level of digitalization is a necessary condition for optimizing the operation of battery parks. Langholz previously led the application of AI in the energy and industrial sectors at McKinsey. He pointed out that energy companies need to pay more attention to the development of digitalization and AI, and said: "In the past year, technologies such as Chat GPT and generative AI have developed rapidly, and they can be widely used in internal processes such as document management, procurement and contract processing."
Ingrid Capacity plans to combine generative AI with machine learning, mathematical optimization and software development, and explore how to combine energy network simulation with visual recognition systems to discover the potential for improvement in power grid infrastructure.
Demand for IT developers
In the past six months, Ingrid Capacity has rapidly expanded its data team, with data experts and software developers accounting for an increasing proportion. By 2030, the company expects to hire 150 to 200 employees, of which the data team will be the largest part. However, finding the right IT talent is not easy.
"IT talent resources are limited, and we are looking for mathematicians, statisticians, data engineers with doctoral degrees, and talents familiar with infrastructure and API management." Langholz said.
He also advised other energy companies to ensure that they have modern infrastructure and high-quality data when using AI to develop data tools, and to start with a few projects and move forward step by step, while encouraging risk-taking.
Concept of smart protected battery:
Smart protected battery is a branch and important part of modern power technology. Smart protected battery uses internal electronic circuits to measure, calculate and store battery data, which makes power supply and management more predictable.
Smart protected battery is an energy conversion and storage system that integrates real-time perception, dynamic response, autonomous decision-making and other functions. It focuses on the use of high-tech technologies such as smart materials, advanced sensing, artificial intelligence, information communication and automatic control, based on the cross-integration of multiple disciplines such as materials science and engineering, instrument science and technology, information and communication engineering, computer science and technology, electronic science and technology, and control science and engineering, to achieve the design, manufacture and management control of new batteries.
Development status of domestic smart protected battery：
In the past, China's battery industry had large output, small output value, many exports, and few innovations. The main problem was the unreasonable product structure, with more low-end and medium-end batteries, fewer high-end batteries, more disposable batteries, and fewer storage batteries.
Nowadays, smart protected battery have excellent performance and can be recharged and reused many times. They have been widely used in laptops, portable electronic products, uninterruptible power supplies, outdoor mobile power supplies, automobiles, communications, medical treatment, aerospace, military and other fields.
Smart protected battery greatly simplify the design of independent battery systems. It has an important advantage, which is to prevent unexpected system shutdowns.
Advantages of smart protected battery：
1.BMS (battery management system): Smart protected battery has a built-in battery management system (BMS), which can monitor key parameters such as voltage, current, and temperature of the battery in real time, and perform intelligent regulation based on them. In order to prevent battery overcharge, overdischarge, and short circuit etc., thus protecting the battery from damage and extending the battery life.
2. High-rate charging and discharging: Smart protected battery have higher charging and discharging efficiency, can be fully charged and release energy faster, while reducing energy loss during the charging and discharging process. This high-efficiency charge and discharge process helps maintain stable performance of the battery, thereby extending its service life.
3. Self-protection mechanism: Smart protected battery have multiple self-protection mechanisms that can automatically cut off the circuit or take other protective measures when the battery is abnormal to prevent further damage to the battery or even cause safety accidents. This high degree of self-protection helps ensure battery safety and durability.
4. Safe and durable: Accurate control and management of batteries through an intelligent management system can significantly improve the cycle life of the battery. Even after multiple charge and discharge cycles, smart batteries can still maintain good performance. Due to its excellent durability, safety and intelligent management level, it has been widely used in high-end technology products such as smartphones, tablets, drones, and battery-powered cars. These products have extremely high requirements on battery performance and durability, and smart batteries can meet these needs well.
5. Convenient and efficient: The charging method of smart batteries also reflects its convenience and efficiency. Users only need to connect the battery to the matching smart charger, and the charger will automatically identify the battery type and current status, and use the optimized charging strategy for charging. In addition, during the charging process, the charger will also monitor the charging status of the battery in real time to ensure that the battery is full and not overcharged.
Smart protected battery is a branch and important part of modern power technology. Smart protected battery uses internal electronic circuits to measure, calculate and store battery data, which makes power supply and management more predictable.
Smart protected battery is an energy conversion and storage system that integrates real-time perception, dynamic response, autonomous decision-making and other functions. It focuses on the use of high-tech technologies such as smart materials, advanced sensing, artificial intelligence, information communication and automatic control, based on the cross-integration of multiple disciplines such as materials science and engineering, instrument science and technology, information and communication engineering, computer science and technology, electronic science and technology, and control science and engineering, to achieve the design, manufacture and management control of new batteries.
Development status of domestic smart protected battery：
In the past, China's battery industry had large output, small output value, many exports, and few innovations. The main problem was the unreasonable product structure, with more low-end and medium-end batteries, fewer high-end batteries, more disposable batteries, and fewer storage batteries.
Nowadays, smart protected battery have excellent performance and can be recharged and reused many times. They have been widely used in laptops, portable electronic products, uninterruptible power supplies, outdoor mobile power supplies, automobiles, communications, medical treatment, aerospace, military and other fields.
Smart protected battery greatly simplify the design of independent battery systems. It has an important advantage, which is to prevent unexpected system shutdowns.
Advantages of smart protected battery：
1.BMS (battery management system): Smart protected battery has a built-in battery management system (BMS), which can monitor key parameters such as voltage, current, and temperature of the battery in real time, and perform intelligent regulation based on them. In order to prevent battery overcharge, overdischarge, and short circuit etc., thus protecting the battery from damage and extending the battery life.
2. High-rate charging and discharging: Smart protected battery have higher charging and discharging efficiency, can be fully charged and release energy faster, while reducing energy loss during the charging and discharging process. This high-efficiency charge and discharge process helps maintain stable performance of the battery, thereby extending its service life.
3. Self-protection mechanism: Smart protected battery have multiple self-protection mechanisms that can automatically cut off the circuit or take other protective measures when the battery is abnormal to prevent further damage to the battery or even cause safety accidents. This high degree of self-protection helps ensure battery safety and durability.
4. Safe and durable: Accurate control and management of batteries through an intelligent management system can significantly improve the cycle life of the battery. Even after multiple charge and discharge cycles, smart batteries can still maintain good performance. Due to its excellent durability, safety and intelligent management level, it has been widely used in high-end technology products such as smartphones, tablets, drones, and battery-powered cars. These products have extremely high requirements on battery performance and durability, and smart batteries can meet these needs well.
5. Convenient and efficient: The charging method of smart batteries also reflects its convenience and efficiency. Users only need to connect the battery to the matching smart charger, and the charger will automatically identify the battery type and current status, and use the optimized charging strategy for charging. In addition, during the charging process, the charger will also monitor the charging status of the battery in real time to ensure that the battery is full and not overcharged.
With the continuous advancement of science and technology, uninterruptible power supply systems have also continued to develop, and their efficiency, environmental protection performance and intelligence level have been significantly improved. By incorporating cutting-edge battery technologies such as lithium-ion batteries, these systems achieve longer backup capabilities while being smaller and lighter, resulting in greater utility and convenience in a variety of environments.
Uninterruptible power supply (UPS) system can provide stable and pure power support for computer systems, communication equipment and other equipment that require high power stability. It ensures that these key equipment can continue to operate safely and efficiently, or shut down in an orderly manner when the power supply fails or is unstable.
Composition: LiFePO4 battery pack, solar panel, intelligent MPPT controller, anodized metal casing, galvanized steel bracket.
Battery: LiFePO4 battery pack, this battery uses lithium iron phosphate (LiFePO4) as the positive electrode material and carbon as the negative electrode material. It is a type of lithium-ion battery with high energy density and long service life. The rated voltage of each battery is 3.2V, and the charging cut-off voltage range is 3.6V~3.65V. This battery has been widely used in many application fields due to its excellent stability and safety, such as electric vehicles, energy storage systems, and portable electronic devices.
LiFePO4 battery packs not only store energy, but also transmit energy efficiently. Through solar panels, energy is continuously input into the battery pack and converted into electrical energy. At the same time, the battery pack can also transmit the stored energy to the load through the MPPT (maximum power point tracking) controller to ensure efficient use of energy. The smart MPPT controller is not only responsible for energy transmission, but also can be connected to the Android application, allowing users to view the operating status data of solar panels, battery packs and loads in real time through their mobile phones anytime and anywhere. In this way, users can easily monitor the performance of the entire system and ensure the efficient operation of the system.
Smart MPPT controller: Smart MPPT device has Bluetooth remote control function, connected with Android device APP Solar power 2.0, users can monitor and adjust solar panels, batteries, load systems. PV conversion efficiency ≥ 95%, maximize energy utilization, and replace PWM (70%).
Purpose of using UPS: The design of intelligent uninterruptible power supply system is not only to deal with the problem of unstable power supply outdoors, but also to provide protection for key facilities in the city. For example, in important places such as hospitals, data centers and communication base stations, the uninterruptible power supply system can ensure that key equipment can continue to operate in the event of sudden power outages, thereby protecting people's lives and data integrity.
Application areas: Uninterruptible power supplies (UPS) are widely used in multiple industries and equipment. Outdoor lighting, such as road, landscape and billboard lighting, rely on UPS to ensure continuous lighting during power outages. Outdoor monitoring systems, used for public safety and environmental monitoring, also require UPS to prevent data loss. Industrial motor equipment and precision manufacturing production lines rely on UPS to avoid production interruptions. Medical equipment, such as ventilators and MRI machines, rely on UPS to ensure patient safety. Communication base stations use UPS to maintain network smoothness. In short, UPS ensures the normal operation of equipment and the safety of people's lives in many key areas.
Advantages of UPS:
Long cycle life: It means that the battery can be charged and discharged repeatedly without significantly reducing its capacity, thus extending the overall service life of the battery and ensuring long-term economy and reliability.
High safety performance: It ensures that the battery can remain stable and safe under various usage conditions, avoiding safety accidents caused by battery failure, and providing users with higher safety guarantees.
Intelligent BMS (Battery Management System): Through advanced technical means, it monitors and manages the operating status of the battery in real time, optimizes battery performance, extends service life, and ensures the safe operation of the battery in various environments.
Stable power supply: This means that the battery can provide continuous and stable power output, meet the equipment's high requirements for power, and ensure that the equipment will not be interrupted due to power problems at critical moments.
Data protection: Through the intelligent battery management system, data loss and damage can be effectively prevented, ensuring that the user's important data is fully protected and avoiding data loss caused by battery failure.
Improve work efficiency: The high performance and long life design of the battery enable the equipment to maintain efficient operation for a long time, reducing downtime caused by battery replacement and charging, thus significantly improving the overall work efficiency.
Protect equipment safety: The high safety performance of the battery and the intelligent management system can effectively prevent and avoid equipment damage caused by battery failure, ensure the safe operation of the equipment in various usage environments, and extend the service life of the equipment.
Economical and environmentally friendly: UPS is both environmentally friendly and can ensure equipment operation at critical moments. It converts the electrical energy stored in the battery into direct current, providing stable power to electronic devices and preventing data loss and damage from power fluctuations. Therefore, UPS is necessary for businesses that require high reliability and continuity. With the advancement of technology, the efficiency and performance of UPS have improved, making it a favored choice for modern enterprises.
Uninterruptible power supply (UPS) system can provide stable and pure power support for computer systems, communication equipment and other equipment that require high power stability. It ensures that these key equipment can continue to operate safely and efficiently, or shut down in an orderly manner when the power supply fails or is unstable.
Composition: LiFePO4 battery pack, solar panel, intelligent MPPT controller, anodized metal casing, galvanized steel bracket.
Battery: LiFePO4 battery pack, this battery uses lithium iron phosphate (LiFePO4) as the positive electrode material and carbon as the negative electrode material. It is a type of lithium-ion battery with high energy density and long service life. The rated voltage of each battery is 3.2V, and the charging cut-off voltage range is 3.6V~3.65V. This battery has been widely used in many application fields due to its excellent stability and safety, such as electric vehicles, energy storage systems, and portable electronic devices.
LiFePO4 battery packs not only store energy, but also transmit energy efficiently. Through solar panels, energy is continuously input into the battery pack and converted into electrical energy. At the same time, the battery pack can also transmit the stored energy to the load through the MPPT (maximum power point tracking) controller to ensure efficient use of energy. The smart MPPT controller is not only responsible for energy transmission, but also can be connected to the Android application, allowing users to view the operating status data of solar panels, battery packs and loads in real time through their mobile phones anytime and anywhere. In this way, users can easily monitor the performance of the entire system and ensure the efficient operation of the system.
Smart MPPT controller: Smart MPPT device has Bluetooth remote control function, connected with Android device APP Solar power 2.0, users can monitor and adjust solar panels, batteries, load systems. PV conversion efficiency ≥ 95%, maximize energy utilization, and replace PWM (70%).
Purpose of using UPS: The design of intelligent uninterruptible power supply system is not only to deal with the problem of unstable power supply outdoors, but also to provide protection for key facilities in the city. For example, in important places such as hospitals, data centers and communication base stations, the uninterruptible power supply system can ensure that key equipment can continue to operate in the event of sudden power outages, thereby protecting people's lives and data integrity.
Application areas: Uninterruptible power supplies (UPS) are widely used in multiple industries and equipment. Outdoor lighting, such as road, landscape and billboard lighting, rely on UPS to ensure continuous lighting during power outages. Outdoor monitoring systems, used for public safety and environmental monitoring, also require UPS to prevent data loss. Industrial motor equipment and precision manufacturing production lines rely on UPS to avoid production interruptions. Medical equipment, such as ventilators and MRI machines, rely on UPS to ensure patient safety. Communication base stations use UPS to maintain network smoothness. In short, UPS ensures the normal operation of equipment and the safety of people's lives in many key areas.
Advantages of UPS:
Long cycle life: It means that the battery can be charged and discharged repeatedly without significantly reducing its capacity, thus extending the overall service life of the battery and ensuring long-term economy and reliability.
High safety performance: It ensures that the battery can remain stable and safe under various usage conditions, avoiding safety accidents caused by battery failure, and providing users with higher safety guarantees.
Intelligent BMS (Battery Management System): Through advanced technical means, it monitors and manages the operating status of the battery in real time, optimizes battery performance, extends service life, and ensures the safe operation of the battery in various environments.
Stable power supply: This means that the battery can provide continuous and stable power output, meet the equipment's high requirements for power, and ensure that the equipment will not be interrupted due to power problems at critical moments.
Data protection: Through the intelligent battery management system, data loss and damage can be effectively prevented, ensuring that the user's important data is fully protected and avoiding data loss caused by battery failure.
Improve work efficiency: The high performance and long life design of the battery enable the equipment to maintain efficient operation for a long time, reducing downtime caused by battery replacement and charging, thus significantly improving the overall work efficiency.
Protect equipment safety: The high safety performance of the battery and the intelligent management system can effectively prevent and avoid equipment damage caused by battery failure, ensure the safe operation of the equipment in various usage environments, and extend the service life of the equipment.
Economical and environmentally friendly: UPS is both environmentally friendly and can ensure equipment operation at critical moments. It converts the electrical energy stored in the battery into direct current, providing stable power to electronic devices and preventing data loss and damage from power fluctuations. Therefore, UPS is necessary for businesses that require high reliability and continuity. With the advancement of technology, the efficiency and performance of UPS have improved, making it a favored choice for modern enterprises.
Solar-Powered Lithium Battery Solutions for Remote Monitoring Stations
Huawen New Power • Design principles, sizing methods, and best practices
Contents
Introduction
Why Lithium Batteries
Key Design Considerations
System Sizing & Examples
Recommended Specs (Summary)
System Block Diagram
Work with Huawen New Power
Introduction
Remote monitoring stations—weather, environment, oil & gas, agriculture, security—often operate far from reliable grid power. A combined solar + lithium battery system provides sustainable, efficient, and long-lasting off‑grid energy for sensors, edge controllers, and communication modules.
Why Lithium Batteries for Remote Monitoring?
High Energy Density
Compact footprint with high Wh/kg — ideal for pole‑mount and enclosure‑limited sites.
Long Cycle Life
Typically 2,000–5,000 cycles depending on DoD/C‑rate and thermal profile.
Wide Temperature Range
With proper design, reliable performance across -40℃ ~ 85℃.
Low Self‑Discharge
Retains charge during low‑sunlight seasons; reduces truck‑roll maintenance.
Note: Charging below 0℃ requires dedicated low‑temperature charge strategies or self‑heating packs.
Key Design Considerations
1) Solar Panel Sizing
Base on daily energy consumption and local solar irradiance (PSH).
Include margin (10–30%) for seasonal variability and soiling.
2) Battery Capacity
Size for nighttime load and autonomy days (e.g., 2–5 days).
Prefer DoD ≤ 80% for long life; ≤ 50% for mission‑critical assets.
3) BMS & Controls
Over/under‑voltage, over‑current, short‑circuit, temperature, and cell balancing.
SoC‑aware MPPT/charge controller integration to protect the pack.
4) Environmental Protection
Enclosure IP65+; conformal coating for PCBs in coastal/dusty sites.
Thermal design for hot/cold extremes (heaters, heat spreaders, or ventilation).
System Sizing & Examples
Core Formulas
Parameter
Formula
Notes
Daily Energy (Wh/day)
Load Power (W) × 24
Adjust for duty cycle if intermittent.
Required Storage (Wh)
Daily Energy × Autonomy Days ÷ Usable DoD
Usable DoD: 0.5–0.8 typical for lithium.
Battery Ah (at system V)
Required Storage ÷ System Voltage
Round up and add 10–20% design margin.
PV Array (W)
Daily Energy ÷ Peak Sun Hours ÷ η
η (end‑to‑end efficiency) typically 0.7–0.8.
Example — Mountain Weather Station
Item
Value
Result
Continuous Load
80 W
Daily energy = 1,920 Wh
Autonomy Days
4 days
Storage = 7,680 Wh / 0.8 DoD = 9,600 Wh
System Voltage
48 V
Battery ≈ 200 Ah (add margin → 220–240 Ah)
Peak Sun Hours
4.0 h
PV ≈ 1,920 ÷ (4.0 × 0.75) ≈ 640 W (add 20% → ~770 W)
Numbers above are illustrative; site‑specific irradiance and temperature should be used for final design.
Recommended Specs (Summary)
Category
Recommendation
Rationale
Chemistry
LiFePO₄ (LFP) or NMC with BMS
LFP for longevity/thermal stability; NMC for higher energy density.
Operating Temp.
-40℃ ~ 85℃ (system-level)
Requires pack and enclosure level thermal strategy.
DoD (daily)
≤ 80% (≤ 50% for premium life)
Extends cycle life and reduces stress.
Enclosure
IP65+ aluminum/steel with insulation
Environmental robustness; EMI shielding.
Controller
MPPT with temp sensor & low‑temp charge logic
Maximize harvest; protect cells in sub‑zero charging.
Monitoring
SoC/SoH telemetry, alarms, logs
Remote diagnostics and preventive maintenance.
System Block Diagram (Inline SVG)
.box{fill:#ffffff;stroke:#0a4d8c;stroke-width:2}
.title{font: 14px Arial; fill:#0a4d8c; font-weight:bold}
.text{font: 12px Arial; fill:#111827}
.arrow{stroke:#0a4d8c; stroke-width:2; marker-end:url(#arrowhead)}
.note{font:12px Arial; fill:#667085}
PV Array Mono/Poly 200–1000 W MPPT Controller η ≈ 95–99% Temp sensor BMS UV/OV/OCP/OTP Cell balance Battery Pack LFP/NMC 48 V 100–200 Ah -40℃~85℃ Load Sensors Comms IP65+ Outdoor Enclosure, thermal design for -40℃~85℃
Work with Huawen New Power
We design and manufacture lithium battery systems tailored for remote monitoring, including low‑temperature charging solutions, self‑heating packs, and integrated telemetry. Share your load profile and site conditions; our engineers will size an optimal solar + battery system for guaranteed uptime.
Contact: info@huawennewpower.com | Website: www.huawennewpower.com
© 2025 Huawen New Power. All rights reserved.
no data
you might like
no data
Leave a Comment
we welcome custom designs and ideas and is able to cater to the specific requirements.
+86-15994805048
Dongguan Huawen New Power Co., Ltd.
Dongguan Huawen New Power Co., Ltd. is a professional lithium batteries manufacturer integrating R&D, production and sales. The company was established in 2018 and is located in Dongguan City, GUA.
Shortcut link
Product
Contact with us
Contact person: Olina Chang
WhatsApp：0086-15992786791
Add:
Songhu Yungu Dalang Innovation Industrial Park, No. 388, Yangxin Road, Yangchong Village, Dalang Town, Dongguan City, GUA , China