Model: Retro Pro 56 

Voltage: 12V 

Resting Voltage Range: 13.1V-13.4V 

Capacity (Amp Hours): 56AH (Not Pb Eq) 200-240 Pb Eq 

Chemistry: LifePo4 

Operating Temperature Range: -30-60℃/-22℉-140℉ 

Weight: 21 lbs 

Dimensions: Height 8.75” Depth 6.5” Wide 10.125” 

BCI Group Case: Group 24 

Terminal Size: M8x125 

Terminal Orientation: Positive Left 

Life Cycles: 2,000 @ 80% DOD 

Battey Management System (BMS): No 

Balance Board: Yes (Internal) 

Max Charge Voltage: 14.8V 

Max Charge voltage BMS Cutoff: NA 

Minimum Discharge Voltage BMS cutoff: NA 

Max Input Charge Current: 400A *Charging higher than this can reduce cycle life 

Continuous Discharge Current: 750A 

Max Discharge Current (Burst amperage): 1200-1300A (Temperature dependent) 

Continuous Wattage Range (Alt. size dependent): 9,000-13,000W (100A-400A Alt) 

Burst Wattage (Alt size dependent): 16,000W