Capacity — 56Ah LiFePO4 (200–240 Pb equivalent) Voltage — 12V, 13.1–13.4V resting Output — 750A continuous / 1,200–1,300A burst, 9,000–13,000W range Case — BCI Group 24, Positive Left, M8×125 terminals Cycle Life — 2,000 cycles @ 80% DOD This Listing Includes: (1) Limitless Lithium Retro Pro 56 12V LiFePO4 Car Audio Battery 56Ah Group 24The Limitless Lithium Retro Pro 56 is a high-output 56Ah 12V LiFePO4 battery for big car audio builds, delivering 750A continuous, 1,200–1,300A burst, and up to 16,000W in a Group 24 case. The internal balance board supports a 2,000-cycle service life. Available from JS Alternators.Features Internal balance board for cell longevity 16,000W burst capability Wide -22°F to 140°F operating range Max charge voltage 14.8V (400A max input) Drop-in Group 24 replacement Specifications Model Retro Pro 56 Voltage 12V Resting Voltage Range 13.1V–13.4V Capacity 56Ah (200–240 Pb Eq) Chemistry LiFePO4 Operating Temperature Range -30°C to 60°C / -22°F to 140°F Weight 21 lbs Dimensions 8.75" H × 6.5" D × 10.125" W BCI Group Case Group 24 Terminal Size M8 × 125 Terminal Orientation Positive Left Life Cycles 2,000 @ 80% DOD Battery Management System (BMS) No Balance Board Yes (Internal) Max Charge Voltage 14.8V Max Input Charge Current 400A Continuous Discharge Current 750A Max Discharge Current (Burst) 1,200–1,300A (temperature dependent) Continuous Wattage Range 9,000–13,000W (100A–400A alt) Burst Wattage 16,000W
