Enduring 6-DW-5 6V 4.5Ah Sealed Lead Acid Replacement Battery: BatteryClerk.com
Amazon.com: AlveyTech 24 Volt Battery Pack (5 Ah Version 16+) - For the Razor E100, E100 Glow, E125 Set of 12V Replacement Batteries, Electric Power Dirt Scooter e-Bike, Scooters, Universal Rechargeable SLA