15kWh Powerwall Lithium Battery 51.2V 300Ah

Model: 51.2V 300AH 15360WH

The Powerwall Lithium Battery uses EVE and BYD battery cells, which are in high reliability and have long service time with 5 capacity options: 2.5kwh 5kwh 7.5kwh 10kwh, and 15kwh. The Battery built-in BMS protection supports simultaneous communication and docking with multiple inverter brands.

Many solar product agents and energy storage system distributors, wholesalers, and retailers place orders from us once and once again for the power wall lithium batteries.

15kWh Powerwall Lithium Battery – 51.2V 300Ah | Grade A LiFePO4 for Residential & Commercial Energy Storage

Reliable. Scalable. Intelligent.
Upgrade your energy independence with our 15kWh Powerwall Lithium Battery, engineered with high-performance Grade A LiFePO4 (Lithium Iron Phosphate) cells. Designed for durability and long lifecycle, this 51.2V 300Ah battery is the ideal choice for B2B clients seeking robust solutions for home solar systems, commercial backup power, and off-grid energy storage applications.

Power Wall Lithium Battery

Key Features:

  • High Capacity & Power: 15kWh capacity with 51.2V 300Ah output for sustained, stable performance.

  • Grade A LiFePO4 Cells: Ensures maximum safety, reliability, and longevity—>6000 cycles @80% DOD.

  • Intelligent BMS (Battery Management System): Built-in smart BMS with protections against overcharge, over-discharge, overcurrent, and temperature fluctuations.

  • Wall-Mounted Design: Sleek and space-saving Powerwall form factor ideal for indoor or outdoor installation.

  • Expandable & Scalable: Supports parallel connection of multiple units to meet larger energy demands.

  • Maintenance-Free: Plug-and-play system designed for effortless installation and low maintenance.

  • Eco-Friendly & Safe: Non-toxic, thermally stable chemistry with no risk of thermal runaway.

Technical Specifications:

  • Nominal Voltage: 51.2V

  • Capacity: 300Ah / 15kWh

  • Cycle Life: ≥6000 cycles (at 80% DOD)

  • Max Continuous Discharge: 150A

  • Charging Voltage: 56.8V

  • Communication Ports: CAN / RS485

  • Operating Temperature: -20°C ~ 60°C

  • Certification: CE, UN38.3, MSDS, RoHS

Applications:

  • Home Solar Energy Storage Systems

  • Commercial and Industrial Backup Solutions

  • Microgrid and Off-grid Installations

  • Telecom Base Stations & Data Centers

OEM/ODM Support & Global Shipping Available

We support customized branding, labeling, and packaging for volume orders. Whether you’re a solar system integrator, energy solution provider, or industrial distributor, our Powerwall Lithium Battery delivers reliable, scalable energy solutions for your market.

 

Electrical Characteristics Nominal Voltage 51.2V
Nominal Energy 300Ah (C5, 25℃)
Energy 15360Wh
Internal Resistance ≤500mΩ
Cycle Life >6000 cycles @0.2C
Months Self Discharge <3%
Efficiency of Charge 100% @0.2C
Efficiency of Discharge 96~99% @1C
Standard Charge Charge Voltage 58.4±0.2V
Charge Mode 0.2C to 29.2V, then 29.2,charge current 0.02C(CC/CV)
Charge Current 20A
Max. Charge Current 50A
Charge Cut-off Voltage 59.2V±0.2V
Standard Discharge Continuous Current 100A
Max. Pulse Current 150A(<3S)
Discharge Cut-off Voltage 43.2V
Environmental Charge Temperature 0 ℃ to 45 ℃(32F to 113F)@60+25% Relative Humidity
Discharge Temperature  -20 ℃ to 60 ℃(-4F to 140F)@60+25% Relative Humidity
Storage Temperature 0 ℃ to 40 ℃(32F to 104F)@60+25% Relative Humidity
Water Dust Resistance
Mechanical Cell & Method 13161227-3.2V50AH-16S6P
Plastic Case 6U standard case
Dimensions(in./mm.) 482*570*270 mm
Weight (lbs./kg.) 112Kg
Terminal 100A Connector
Protocol (optional) RS485/CAN
BMS 16S100A

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