51.2V 210Ah Solar Power Wall Lithium Battery

Product Overview

As a premier manufacturer and dedicated supplier of advanced energy storage solutions, we present the 48V 51.2V 200/210Ah 10/11kWh Solar Power Wall Lithium Battery. Engineered for volume distribution and heavy-duty integration, this system ensures absolute grid independence and exceptional operational stability.

• Premium LiFePO4 chemistry delivering ≥8000 life cycles.

• Robust 200A operating current for high-demand loads.

• Space-saving 532x495x225mm wall-mounted craftsmanship.

• Designed to optimize long-term procurement and installation efficiency.

Designed for residential solar storage, this 48V 51.2V 200/210Ah 10/11kWh Solar Power Wall runs on premium LiFePO4 cells. It delivers 48-51.2V nominal voltage, 210Ah nominal capacity and dual energy ratings of 10/11kWh, with a strong 200A operating current. You get an ultra-long cycle life of ≥8000 cycles and low internal impedance ≤30mΩ. Charging and discharging are supported across a wide -10℃ to 60℃ range. At just 532x495x225mm and 86.6kg, this power wall offers stable, long-lasting power for daily home energy needs.

1. Ultra-Long Cycle Life & High Durability

This solar power wall lithium battery boasts an outstanding cycle life of ≥8000 times, far exceeding ordinary lithium power walls in service life. Adopting high-quality LiFePO4 cells, it maintains stable capacity output during repeated charging and discharging, with low attenuation and no memory effect. It can meet the long-term use demand of home solar energy storage for more than 10 years, effectively reducing battery replacement frequency and long-term use costs.

2. High Capacity & Strong Current Output

With 210Ah nominal capacity and 10/11kWh dual energy ratings, this 48V 51.2V power wall provides sufficient energy for household high-power appliances. Its 200A high operating current supports the simultaneous operation of air conditioners, water heaters and induction cookers, while 100A max charge/discharge current ensures fast energy replenishment and stable power output, perfectly matching the high-demand power needs of large families.

3. Low Internal Impedance & High Energy Efficiency

Featuring an internal impedance of ≤30mΩ, this 210Ah LiFePO4 battery minimizes energy loss during charging and discharging processes, greatly improving energy utilization efficiency. It can convert and store more solar energy into usable power for homes, reduce energy waste in the power wall system, and maximize the economic benefits of home solar energy storage systems by increasing effective power supply.

4. Wide Temperature Adaptability & All-Weather Operation

This 10/11kWh solar battery has a unified -10-60℃ charging and discharging temperature range, with strong adaptability to different climatic environments. It can work stably in low-temperature winter and high-temperature summer, without obvious performance attenuation in extreme temperature conditions. No additional temperature control equipment is needed, ensuring all-weather reliable power supply for home solar energy storage systems.

5. Compact Power Wall Design & Space-Saving Installation

Designed as a wall-mounted solar power wall with compact 532x495x225mm dimensions and 86.6kg net weight, it is specially optimized for residential installation space. It can be installed on indoor walls such as balconies, utility rooms and garages, making full use of vertical space without occupying valuable floor area. The standardized structure ensures easy installation and wiring, matching various home decoration styles.

1. Large Family Home Solar Energy Storage

This solar power wall lithium battery is specially designed for large families with high power consumption, storing solar energy converted by rooftop solar panels for daily power supply. Its 10/11kWh large energy rating and 210Ah capacity meet the power demand of multiple high-power appliances running simultaneously, and the ultra-long cycle life adapts to the long-term solar energy storage needs of families, reducing household electricity bills significantly.

2. Villa Residential Off-Grid Power Supply

For villa residences in suburbs or rural areas with unstable grid power, this 48V 51.2V power wall forms a complete off-grid solar energy system with solar panels and inverters. It realizes self-sufficient power supply for villa daily life, the wide temperature adaptability copes with outdoor installation environments, and the high current output supports the power demand of villa intelligent equipment, garden irrigation and other facilities.

3. Residential Emergency Backup Power Supply

As a high-capacity emergency backup power supply, this 210Ah LiFePO4 battery provides long-time continuous power for families in case of grid power outage. It can supply power for lighting, refrigerators, communication devices, medical equipment and other important household appliances for more than 24 hours, ensuring the basic living needs of families, and is especially suitable for families with the elderly and children.

4. Small Commercial Shop Solar Energy Storage

This 10/11kWh solar battery is also suitable for small commercial shops such as chain convenience stores and community supermarkets. Its wall-mounted design saves store installation space, the high energy efficiency realizes peak-valley electricity regulation to reduce commercial electricity costs, and the stable power output ensures the normal operation of shop cash registers, refrigerators and lighting equipment, improving the operation efficiency of small shops.

Install the power wall on a firm, flat and dry indoor wall, reserve 15cm for heat dissipation around. Connect with solar panels and inverters according to the manual, use a dedicated charger matching 54.75V charging voltage and 100A max charge current. Charge and discharge within -10-60℃, follow 43.2V standard discharging method. Regularly check connection terminals and battery temperature, clean dust to ensure good heat dissipation and stable operation.

Q1: How does the internal impedance of ≤30mΩ translate to real-world performance?

A low internal impedance of ≤30mΩ means the battery faces very little resistance when absorbing or releasing energy. In real-world terms, this results in significantly less heat generation during heavy use, faster charging times, and a higher overall round-trip efficiency. It ensures that the maximum amount of your harvested solar energy is actually available for your appliances, rather than being lost as waste heat.

Q2: Can this 48V 51.2V power wall be integrated into existing solar arrays, or does it require a completely new setup?

This unit is designed for high backward compatibility. Thanks to its standard 48-51.2V nominal voltage and versatile RS485/CAN/RS232 communication ports, it can be seamlessly retrofitted into most existing solar arrays, provided you use a compatible mainstream hybrid or battery inverter. It does not require replacing your current solar panels.

Q3: What happens if the battery is exposed to temperatures outside the -10°C to 60°C range?

The built-in Smart BMS actively monitors internal temperatures. If the ambient environment pushes the battery beyond its safe operating limits of -10°C to 60°C, the BMS will automatically throttle or temporarily halt charging and discharging to protect the cell chemistry from permanent damage. Once temperatures return to the safe zone, normal operations resume automatically.

Q4: Does the ≥8000 cycle life mean the battery dies after 8000 uses?

No. The ≥8000 cycle life rating indicates the number of full charge and discharge cycles the battery can undergo before its maximum capacity degrades to approximately 80% of its original 210Ah rating. Even after 8000 cycles—which typically takes well over 10 to 15 years of daily use—the battery will continue to function reliably, simply with a slightly reduced total energy storage capacity.

Q5: What are the specific clearance requirements for the wall-mounted installation?

To ensure optimal passive cooling and safe operation, we require a minimum clearance of 15cm on all sides (top, bottom, left, and right) of the unit. The wall must be structurally sound, flat, and dry, capable of supporting the 86.6kg net weight plus the mounting hardware. Proper clearance guarantees that the natural convection currents can dissipate any minor heat generated during 200A peak loads.