Check the listing for details. HQST 20A 40A 60A Solar Charge MPPT Controller for Gel Sealed Flooded and Lithium. Condition: New. Listed at 79.99 USD. Choose Your Dr.Prepare LiFePO4 Battery Energy Rated Capacity Max. Continuous Output Power Recommend Charge Current Max. Charge Current Max. Cont Discharge Current Max. Charging Voltage Discharge Cut-off Voltage Low Temp Cut-off Protection Dimensions Weight 12V 100Ah LiFePO4 1,280 Wh 100Ah / 1,280 Wh 1,280 Wh 20A 50A 100A 14.6V Lower than 11.1V Yes L13.07 x H8.66 x W6.77 in 22 lbs/10 kg 12V 100Ah LiFePO4 w/Meter 1,280 Wh 100Ah / 1,280 Wh 1,280 Wh 20A 50A 100A 14.6V Lower than 11.1V Yes L13.07 x H8.66 x W6.77 in 22 lbs/10 kg 12V 100Ah Mini LiFePO4 1,280 Wh 100Ah / 1,280 Wh 1,280 Wh 20A 100A 100A 14.6V Lower than 11.1V Yes L 10 x W 5 x H 7.8 in 22 lbs/10 kg 12V 20Ah LiFePO4 256Wh 20Ah / 256Wh 256Wh 10A 20A 20A 14.6V Lower than 11.1V / L 7 x W 3 x H 6.5 in 5.95 lbs/2.7 kg 12V 8Ah LiFePO4 102.4Wh 8Ah / 102.4Wh 102.4Wh 4A 8A 8A 14.6V Lower than 11.1V / L5.9 x W2.6 x H3.7 in 2.2 lbs/1kg