How to Change the Battery on the Razor E300 and E300S Electric Scooter - YouTube
DIY: Razor E300 electric scooter w/ Kobalt 24V Li-ion power tool battery & cheap controller/throttle - YouTube
AlveyTech 24 Volt 9 Ah Battery Pack for Razor E300 E325 Scooter (Ver. 1-4) - Replacement Batteries - Walmart.com
Amazon.com: AlveyTech 24 Volt Battery Pack for Razor E300 & E325 Scooter (7 Ah, Versions 5-10, and 12) - Replacement Rechargeable SLA/AGM, Set of x2 (12V) Batteries with Wiring Harness, Electric Bike
Amazon.com: AlveyTech 24 Volt Battery Pack for Razor E300 & E325 Scooter (9 Ah, Versions 11 and 13+) - Replacement Rechargeable SLA/AGM, Set of x2 (12V) Batteries with Wiring Harness, Electric Bike
MIGHTY MAX BATTERY 12V 8Ah Razor E300, E 300 13113640 Electric Scooter Battery - 2 Pack MAX3429406 - The Home Depot
Amazon.com: AlveyTech 24 Volt Battery Pack for Razor E300 & E325 Scooter (7 Ah, Versions 5-10, and 12) - Replacement Rechargeable SLA/AGM, Set of x2 (12V) Batteries with Wiring Harness, Electric Bike