Pknergy Pk-BESS-215(ON- OFF GRID) BESS System 3.2V 280AH battery cell, 1P*20S*12S 12*64V 280Ah 768V280AH (215.04KWH) LFP battery pack 100KW PCS; 100KW STS switch; 100KW DC-DC module 100KVA Isolation transformer Temperature control(3kW cooling power) and fire protection system