New 51.2V 400ah 300ah Type Solar System Lifepo4 Energy Powerwall 20kwh 15kwh Lithium Batteries Solar System Home Storage Battery, China New 51.2V 400ah 300ah Type Solar System Lifepo4 Energy Powerwall 20kwh 15kwh Lithium Batteries Solar System Home Storage Battery Manufacturers, Suppliers, Factory - Sichuan Grantech New Energy Technology Co.,Ltd.

Product Description

Products Description

The GT-FL15KW Residential Energy Storage Series is a low-voltage lithium battery module developed by Grandtech, specifically designed for residential energy storage applications. The module enables high-precision monitoring of multi-cell voltage and temperature, ensuring reliable and efficient system performance.

New 51.2V 400ah 300ah Type Solar System Lifepo4 Energy Powerwall 20kwh 15kwh Lithium Batteries Solar System Home Storage Battery factory

Home Energy Storage Battery – Key Highlights

*10-Year Warranty – Long-term reliability
*6,000+ Cycles @90% DOD – Extended battery life
*Supports 16 Units in Parallel – Scalable up to 163kWh
*Compatible with All 48V Hybrid Inverters
*Built-in Independent BMS – Smart protection & control
*Modular & Maintenance-Free – Easy to install and expand
*No Memory Effect – Consistent performance over time

*CAN/RS485 Bluetooth communication

New 51.2V 400ah 300ah Type Solar System Lifepo4 Energy Powerwall 20kwh 15kwh Lithium Batteries Solar System Home Storage Battery supplier

Specification

Model	GT-FL15KW
Nominal voltage	51.2V
Nominal capacity	280A h/14336Wh
Cell type	LiFePO4
Charging cut-off voltage	57.6V
Discharge cut-off voltage	43.2V
Max-continuous discharge current	200A
Instantaneous discharge current	400A
Display	LCD or touchscreen display screen
Standard charging current	<100A
Standard discharge current	100A
Storage temperature	0℃ ~60℃
Operating temperature	﹣20℃ ~60℃
Operating temperature	﹣20℃ ~60℃
Design life	10 Years
Cycle life	>6000 90%DOD
Battery pack size	500260932mm
Battery pack N.W./G.W.	135kg/157kg
Communication interface	CAN/RS232/RS485
Cooling method	Air cooling/active balancing
Cooling method	Air cooling/active balancing