Quick view Sale Sundown Audio Sundown Audio - Power Sports SPSL-40 40aH LifePo4 Lithium Battery (Open Box) Now: $674.99 MSRP: Was: $749.99 Sundown Audio - Power Sports SPSL-40 40aH LifePo4 Lithium Battery Discharge Rate: 5.00A Starting Voltage: 14.42V Ending Voltage: 10.50V Total Time: 7:47:58 Tested Capacity: 39.995 AH Add to Cart The item has been added Add To Compare