Razor Crazy Cart battery upgrade: from Pb to Li-ion power tool battery - YouTube
Amazon.com: Razor Crazy Cart Rechargeable 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 Battery Kit with EU charger | 1080 Riders
24 Volt 2.8 Ah Battery Pack with 30 Amp Fuse & Wiring for the Razor Crazy Cart Shift (Versions 1+) & Crazy Cart Shift Lightshow - Monster Scooter Parts
Crazy Cart XL - Razor
Amazon.com: 24-Volt Battery Pack for The Razor Crazy Cart E100, E100 Glow, E125 Scooter Rechargeable W13110050003 (This Will not fit The Crazy Cart Shift or The E100 Power Core) Beiter DC Power :