When it comes to quality of life for handicapped or disabled individuals, reliable electric wheelchair and medical mobility device batteries are at the top of the list of requirements. Mighty Max Battery helps keep this item checked off and safely in back-of-mind. Whether it's for all day use or several hours daily, you can choose from a wide array of high quality SLA batteries that are charged and ready to go. These replacement batteries are compatible with most manufacturers, such as Pride, Quantum, E & J Lancer, Braun, and many more. For additional savings, purchase a multi-pack and a battery charger to ensure your batteries never drop below 50% power, which will extend their lives.