ScootsUSA 104-45-4097 MotoBatt Quadflex Battery 6v 4ah This is the new MOTOBATT QUADFLEX model # MBT6N4 it comes with a 2 year free replacement warranty This battery replaces the 6N4-2A 6N4-2A-3,6N4-2A-4,6N4-2A-5,6N4-2A-8, and the 6N4C-1B. Motobatt Quadflex the only sealed version of this battery in the world. This battery replaces the 6N4-2A