The Bruno Cub UBD is a Mobility system that requires a 12V 60Ah GEL replacement battery. The compatible Universal Power Group replacement is the UPG UB-22NF 12V 60AH Z1 GEL Battery Group 22 NF (UB-22NF), a 12V 60Ah GEL sealed lead-acid battery. It uses Z1 terminals. This is a direct drop-in replacement for the Bruno Cub UBD requiring no modification to the device.