Amazon.com: CellMax, 6-Volt Super Heavy Duty, Lantern Battery - 6 Pack : Health & Household
Power Wheels 6-volt Rechargeable Replacement Battery for Ride-Ons - Walmart.com
Amazon.com: Duracell 245-6V Lithium-Battery, 1 Count Pack, 245 6 Volt High Power Lithium-Battery, Long-Lasting for Video and Photo-Cameras, Lighting Equipment, and More : Electronics
6V 4.5AH Lithium Iron Phosphate battery packs, direct replacement for sealed lead acid batteries, LiFePO4 Chargers.
TOPUSSE Rechargeable 6 Volt 4.5AH LiFePO4 Lantern Battery with Charger 1500+ Cycles, 6V Batteries Battery with BMS (Spring Terminals) 2 Pack : Amazon.ca: Electronics
Mighty Max Battery ML1.3-6- 6V 1.3 AH, F1 Terminal Rechargeable Sealed Lead Acid 613 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com