Tuygn 18650 to 21700 Battery Adapter Sleeve Case Convert Your Batteries for Wider Use in Flashlights Power
Product Description
Tuygn 18650 to 21700 Battery Adapter Sleeve Case Convert Your Batteries for Wider Use in Flashlights Power
- Essential battery box battery holder cylindrical for your travel energy needs.
- for use in a variety of electronic devices such as high powered flashlights and portable power.
- Craft from and metal materials, for long time use.
- Convert your existing 18650 battery into the larger 21700 size.
- 18650 to 21700 battery conversion cylinder, a practical solution for upgrading your power sources without the need for new batteries.
Technical Specifications
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