12V BCI Group 31 AGM Battery, Max Amps 5,000A, CA: 1565, Ah: 127, 4000W / 5000W+ Weight Lbs. – 78.25 Weight Kgs. – 35.5 Length – 12.99 in Height – 8.43 in Width – 6.81 in MAX Amps – 5000 CA – 1565A RC – 273min. Ah – 127 M6 Terminal Hardware Included 3 Year Warranty