This is an LVTOPSUN LVTS-256280 LiFePO4 Power Wall battery for solar energy storage.
Model: LVTS-256280
Voltage: 25.6V
Capacity: 280AH (Amp-hours)
Energy: 7.16KWH (Kilowatt-hours)
Type: LiFePO4 (Lithium Iron Phosphate)
We also have the 2.5kwh 24v, 5kwh 24v & 48v, 10kwh, 15kwh, 16kwh and 32kwh