Replacement lithium batteries, CR-P2 6V | Chicago Faucets
Panasonic CRP2 6V Lithium Battery CRP2P 223A Pack of 1
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
Li-ion 6v 10ah 15ah 20ah 2s 7.4v 30a Bms Lithium Battery Pack For Electric Baby Car Kid Car Toy Led Lamp Light Not Lead Acid - Rechargeable Batteries - AliExpress