hfc series li ion battery 3growatt 5kw solar inverter 48V Batterygrowatt 6.5 kwh 51.2V Battery160ah battery pricelifepo4 powerwall batterybattery for solar energy systems basen 280ahinverex solar inverterbattery born48v 200ah lifepo4 battery pricealiexpress lifepo4 batterygrowatt hybrid solar invertergrowatt 15kw inverter 48V Battery