video

Cossatot 1000 XL Duty USB .

Product – Large Capacity 2500MAH Battery 8pcs/set Battery.

Physical design is rugged and waterproof. Durable with impacts. The position of tail cap allow you to use easily while the other hand is busy.

First, you can use one Li-ion battery. The second option is for you to use two 3V CR123A Lithium batteries for its operation.

https://en.wikipedia.org/wiki/Rechargeable_battery

https://en.wikipedia.org/wiki/Rechargeable_alkaline_battery

https://en.wikipedia.org/wiki/Rechargeable_calling_card

https://en.wikipedia.org/wiki/Rechargeable_electric_vehicle

https://en.wikipedia.org/wiki/Rechargeable_Lithium_Air_Battery

Amazon.com: 18650 rechargeable flashlight

rechargeable flashlight 18650 | eBay

18650 Rechargeable Batteries – Walmart