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As a premier manufacturer and direct supplier, we present a high-performance energy storage solution engineered to meet rigorous power demands. This sophisticated system guarantees uninterrupted energy security while optimizing long-term operational costs.
Nominal Voltage: 51.2V with flexible 138Ah or 150Ah capacity configurations
Energy Rating: 7kWh for substantial and continuous power delivery
Cell Architecture: Premium LiFePO4 technology ensuring maximum stability
Form Factor: Ultra-slim, space-saving wall-mounted structure
The 51.2V 138/150Ah 7kWh Power Wall BYD Lithium Battery is a high-performance residential energy storage solution adopting premium LiFePO4 cell type, with 51.2V nominal voltage, 138Ah standard capacity and 7kWh energy rating. Boasting 150A operating/charge current, ≥8000 cycles and a wide -10-60℃ temperature range for both charging and discharging, it features a slim power wall design with 1103x362x160mm dimensions and 62.5kg net weight. Ideal for home solar energy storage and backup power supply, this BYD lithium battery delivers stable and reliable power for residential daily use.
Product Advantage |
This BYD Power Wall lithium battery features 150A high operating and charge current, with 7kWh rated energy and 138Ah nominal capacity, providing sufficient and continuous power for household high-power appliances like air conditioners, water heaters and induction cookers. It maintains stable voltage output during high-current discharge, avoiding power fluctuation, and perfectly meets the simultaneous power demand of multiple residential electrical equipment.
With a unified -10-60℃ charging and discharging temperature range, this 51.2V 7kWh power wall breaks the temperature limitation of ordinary home energy storage batteries. It can work stably in low-temperature winter and high-temperature summer, adapting to different regional climate characteristics, and no additional temperature control equipment is needed, ensuring all-weather reliable power supply for residential use.
Designed as a wall-mounted power wall with slim dimensions of 1103x362x160mm and 62.5kg net weight, this 138Ah LiFePO4 power wall is specially optimized for residential 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, and the compact structure is easy to match with various home decoration styles.
Adopting high-quality LiFePO4 cell type with ≤80mΩ internal impedance, this BYD lithium iron phosphate battery minimizes energy loss during charging and discharging, improving energy utilization rate for home solar storage. It has no memory effect, supports random charging and discharging, and the 135Ah minimum capacity ensures stable capacity output during long-term use, with low performance attenuation.
Equipped with a fixed 150A charge current and 58.4V charging voltage, matching 43.2V standard charging method, this residential power wall battery adopts standardized charging parameters that perfectly match mainstream home solar inverters and chargers. No complex parameter setting is needed, and it can be seamlessly connected with home solar energy systems, realizing plug-and-play and simple daily operation for users.
Technical Parameters |
Technical Index | Specification |
Product Name | 51.2V 138/150Ah 7kWh Power Wall BYD Lithium Battery |
Nominal Voltage | 51.2V |
Nominal Capacity | 138Ah |
Operating Current | 150A |
Charging Voltage | 58.4V |
Cell Type | LiFePO4 |
Cycle Life | ≥8000 times |
Net Weight | 62.5kg |
Maximum Charge Current | 150A |
Minimum Charge Current | 150A |
Standard Charging Method | 43.2V |
Charging Temperature Range | -10-60℃ |
Discharging Temperature Range | -10-60℃ |
Internal Impedance | ≤80mΩ |
Dimensions (LWH) | 1103x362x160mm |
Minimum Capacity | 135Ah |
Standard Capacity | 138Ah |
Rated Energy | 7kWh |
Optional Capacity | 150Ah |
Product Uses |
This BYD Power Wall lithium battery is the core component of home solar energy storage systems, storing the electric energy converted by rooftop solar panels for daily residential power supply. It supports on-grid connection with municipal power grids, realizing peak-valley electricity regulation and surplus power feed-in, effectively reducing household electricity bills and improving the utilization rate of solar renewable energy.
As a reliable home emergency power supply, this 51.2V 7kWh power wall provides continuous power for household important equipment in case of grid power outage. It can supply power for lighting, refrigerators, communication devices and medical equipment for a long time, ensuring the basic living needs of families and the safe operation of important equipment, suitable for families with old people and children.
This 138Ah LiFePO4 power wall with 7kWh energy rating is specially suitable for villas and large families with high power consumption. Its 150A high current output supports the simultaneous operation of multiple high-power home appliances, and the wall-mounted design is easy to install in multiple positions of the villa for distributed energy supply, meeting the diverse power needs of large residential spaces.
For rural areas, suburbs or villas with unstable grid power supply or no grid coverage, this residential power wall battery provides a complete off-grid power supply solution. It can be combined with solar panels and inverters to form an independent home energy system, realizing self-sufficient power supply for daily life, and the wide temperature adaptability ensures stable operation in rural outdoor environments.
Product Operate Guide |
Install the power wall on a firm and flat indoor wall, keep a 10cm safe distance from the wall for heat dissipation. Connect it with solar panels/inverters according to the manual, match the dedicated charger with 58.4V voltage and 150A current. Charge and discharge within -10-60℃, follow the 43.2V standard charging method. Regularly check the connection terminals and battery surface temperature, clean dust to ensure good heat dissipation.
FAQ |
A1: Yes, it supports parallel connection with the same model 51.2V BYD power wall batteries for capacity expansion, which can be flexibly combined according to household power consumption demand, and the system can realize unified management of multiple batteries.
A2: For ordinary urban families with daily power consumption of about 10kWh, it can supply basic power for lighting, refrigerators and small appliances for 8-10 hours, and adjust the power supply time according to the actual use of high-power appliances.
A3: Yes, it needs to be matched with a dedicated home solar inverter that supports 51.2V voltage, which can convert the DC power of solar panels and the battery into AC power for household appliances, ensuring safe and stable power supply.
A4: Conduct simple monthly maintenance: check the wall-mounted fixing parts for looseness, clean the battery surface dust, and inspect the connection terminals for poor contact or corrosion. No water addition or complex maintenance operations are needed.
