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Amazon.com: BB CPS5.5-12 12V 5.5Ah Compatible Replacement Battery by UPSBatteryCenter : Health & Household
Amazon.com: Razor E100 Electric Scooter Battery 12V 5AH - 2 Pack High Performance Rechargeable Batteries with Wiring Harness Bundle (Does not fit The E100 Power Core) Beiter DC Power : Automotive
Amazon.com: Interstate Batteries 12V 5Ah High Rate Fire Retardant Battery (HSL1056) Sealed Lead Acid Rechargeable SLA AGM (F2 Terminal) UPS Systems, Servers, Backup Power : Health & Household