ExpertPower 12V 200Ah (runtime analysis) Lithium LiFePO4 battery real world test
Product being tested: ExpertPower 12V 200Ah Lithium LiFePO4 Deep Cycle Rechargeable Battery Description: 2500-7000 Life Cycles & 10-Year Lifetime | Built-in BMS Results: 11:27 AM 2/28/2021Start ~370 watt load 3:19 PM 2/28/202112.55V 3:41 PM 2/28/202112.43V 4:19 PM 2/28/2021END~1.845V (voltage below inverter low voltage disconnect, apparently due to BMS disconnecting load at “empty”) Results: 4 hours 52 minutes runtime at ~370 watt inverter output = ~1801Wh output (not accounting for inverter inefficiency) Using inexpensive Bestek 500W 12V to 110V AC inverter