Mighty Max Battery 12V 8Ah Battery for Razor MX350, MX400 Electric Dirt Bike - 2 Pack : Sports & Outdoors - Amazon.com
Amazon.com: XZNY 12V 8Ah LiFePO4 Lithium Battery, 5000+ Cycles 12V Deep Cycle LiFePO4 Battery Built-in 10A BMS, Perfect for Ride on Toys, Scooters, Fish Finders, Small Ups Backup, Solar System etc :