This is a 40 amp (for exact capacity please see specifications) Gel battery from MK Battery. MK Battery makes the highest quality batteries and they are up to the challenges presented by your electric scooter or power wheelchair. Every battery we sell is 100% maintenance free, sealed, non-spillable, and approved for public transportation. They will last longer and charge deeper than your current battery - unless your mobility device manufacturer was smart enough to use MK Battery in the first place!