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51.2V 400Ah 20kWh LiFePO4 Home Energy Storage Battery

The TezePower 51.2V 400Ah 20kWh LiFePO4 battery is designed for home solar energy storage, backup power and off-grid applications. With an IP65-rated enclosure, smart 200A BMS, built-in active balancing and temperature-sensitive fire protection, it provides a safe and reliable solution for long-term residential energy storage.

Key Features

• 20kWh Large Energy Capacity – Store excess solar power and use it when you need it, helping increase solar self-consumption.

• 51.2V 400Ah LiFePO4 Battery – High-capacity lithium iron phosphate chemistry designed for safe and long-lasting energy storage.

• Smart 200A BMS with Active Balancing – Monitors the battery and automatically balances individual cells for more consistent performance.

• Built-in Fire Protection – Temperature-sensitive fire extinguisher provides an additional layer of battery safety.

• IP65 Battery Enclosure – Protection against dust and water, suitable for indoor and appropriate outdoor energy storage installations.

• WiFi Monitoring + Dedicated App – Check battery status, operating data and system information remotely.

• Wide Inverter Compatibility – Designed to integrate with many popular solar inverter brands and energy storage systems.

• Expandable Energy Storage – Supports system expansion when configured with compatible batteries.

Compatible Inverter Brands

Compatible inverter brands include Growatt, GoodWe, Deye, SofarSolar, Voltronic, Victron, SRNE, Megarevo, PYLONTECH, LuxPowerTek, SMA, Ginlong, MUST, TBB, Studer, Solis and more.

Applications

Ideal for home solar energy storage, residential backup power, solar self-consumption, off-grid systems and renewable energy storage.

Note: Inverter compatibility may vary depending on the specific inverter model and communication protocol. Please contact us to confirm compatibility before purchase.

FAQ

What is the capacity of this LiFePO4 battery?

This battery has a nominal voltage of 51.2V, a capacity of 400Ah and a total energy capacity of 20kWh.

Does the battery have an active balancer?

Yes. The built-in smart BMS includes active cell balancing to help maintain balanced cell performance during operation.

Is the 20kWh battery suitable for solar energy storage?

Yes. It is designed for home solar energy storage, solar self-consumption, backup power and off-grid applications.

Which inverters are compatible with this battery?

The battery is designed to work with many popular inverter brands, including Growatt, GoodWe, Deye, SofarSolar, Voltronic, Victron, SRNE, Megarevo, PYLONTECH, LuxPowerTek, SMA, Ginlong, MUST, TBB, Studer and Solis. Compatibility depends on the specific inverter model and communication protocol.

Can I monitor the battery remotely?

Yes. The battery supports WiFi monitoring through its dedicated app, allowing you to check battery status and operating information remotely.

Precautions
• No matter what the charging model is, once the temperature of the cell is above the absolute charging temperature, charging should be stopped.
• Please check the orientation of the positive and negative terminals before packaging.
• Connect the terminal or wire to the battery module, and pay attention to insulation to prevent short circuits.
• When not in use for a long time, the battery should be stored in a cool and dry place (<35°C, 30%~50% SOC, charge and discharge once every 3 months).
• Do not place the battery in direct sunlight or a heat source.
• Do not wear metal jewelry (such as rings, watches, accessories, etc.) when handling the battery unit.

Prohibited Matters
Do not charge beyond the maximum charging rate.
Do not disassemble or modify the battery.
Do not throw or hit the battery.
Do not pierce the battery with sharp objects (such as nails, knives, pens, or electric drills).
Do not mix with other types of batteries or modular units.
Do not excessively squeeze the battery during use.
Do not place the battery in a high temperature greater than 60°C.
Do not use conductive materials to connect the positive and negative terminals (such as metals, and wires).

Contact us:
More any questions about TezePower Battery? 
Email: service@tezepower.com