The Mighty Max automatic smart wheelchair battery charger comes with the round 3 pin XLR connector. The Mighty Max Charger provides an enhanced charging method that will not damage your batteries when left connected. Mighty Max 24-Volt 8 Amp charger also provides a short circuit protection, enabling the product to charge safely in most environments. Mighty Max 24-Volt 8 Amp charges 24-Volt lead acid and Gel cell type Batteries. Most common use with the following wheelchairs: Invacare, Pride Mobility, Hoveround, Freedom, DDC, Shoprider, E-Scooter Electra, Frank Mobility, Merits Health Products, Theradyne and many more. Mighty maximum 24 Volt 8 Amp charger with 3 pin XLR connector. Short circuit protection to ensure a full charged battery. Enhanced charging method to ensure the battery does not over charge. Charges both SLA and GEL cell batteries. Color LED status indication to show the operation of the charging progress.