aliexpress lifepo4 batteryeve 18650 battery12v 100ah batteryexide 1050va inverter pricesph3000 growatt LiFePO4 Batterylifepo4 тозарядаtrina flexible solardeye hybrid inverter 8kwgrowatt 3 kw inverter 48V Batterylithium ion battery cape towngrowatt manufacturer LiFePO4 Battery48volt 380 volt inverter