48v 20a lithium battery chargergrowatt 6000 tl3 51.2V Batterygrowatt hybrid inverter 3 phaselipo4 12v battery pack eu stocksungrow inverterlip04 batterylifpo4 380ah 48vmicrotek batterylifepo4 battery chargersolar panels 250wx tar 8 sold charger battery lithium 18650sph6000 compatible LiFePO4 Battery