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Search & rescue, self-defense, , camping, fishing, household, general use, climbing, cave

LED , {5000 Lumens Max} 4 Modes Waterproof with 2 Batteries, USB Cable, Wall Charger and Charger for Outdoor Sports. $31.99 $ 31 99 Prime(4-5 days).

OR indoor working . Package: 1 x LED 2 x 18650 Batteries 1 x adapter 1 x USB cable 1 x charger Kind Reminder: Please remove the plastic

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

Foxelli USB Rechargeable Headlamp Flashlight – amazon.com