12v 12Ah sealed lead acid battery. Non-spillable type. For backup and main power cyclic use. Available in 12SB12P-F2 which has F2 (6.35mm) termination and BP12-12 which has F2 (6.35mm) termination and a F2 to F1 (4.75mm) adaptor. Charge current 3.6A Weight: 3.9Kg Size: 100x150x95mm