Amazon.com: 24 Volt Battery Pack for The Razor Crazy Cart (5 Ah, with Harness) : Sports & Outdoors
Amazon.com: Razor Crazy Cart Rechargeable 1 Set High Performance Replacement Batteries + Wiring Harness Beiter DC Power (This Does not fit The Razor Crazy Cart Shift) Beiter DC Power : Sports & Outdoors
Razor Crazy Cart - how to replace the batteries - YouTube