The Felicity 5.12 kWh 51.2 V Lithium Battery is a premium solar-energy storage solution built for high efficiency and long life. Using LiFePO₄ (lithium iron phosphate) chemistry, it delivers stable output, excellent safety, and deep-cycle capability. At 51.2 volts and 5.12 kWh capacity, it’s ideal for off-grid homes, solar inverter systems, or hybrid setups needing reliable backup