The Shoprider Shoprider Scootie Jr. Wheelchair Batteries is a Mobility system that requires a 12V 15Ah AGM replacement battery. The compatible Universal Power Group replacement is the UPG UB12150 12V 15AH 4.2 MM Hole AGM Battery (UB12150), a 12V 15Ah AGM sealed lead-acid battery. This battery delivers up to 180 watts of standby power. It weighs 9.2 lb, uses 4.2MM Hole terminals, and measures 6 L x 3.8 H in. This is a direct drop-in replacement for the Shoprider Shoprider Scootie Jr. Wheelchair Batteries requiring no modification to the device.