lifepo4 prismatic cells canadagrowatt mppt charge controller12v lithium ion battery pack48v battery casebattery 2 volt 1000ahgrowatt 5kw single phase inverter 48V Batterysuper capacitor batterygrowatt solar panels compatible LiFePO4 Battery72 volt lithium battery chargercalcium solarbatterien a 280ahgrowatt mic 2000 tlx 48V Batteryman yi new energy