High Current 21700 Battery Box Holder Slot Case for DIY Projects – No Soldering Needed, Brass Contacts, Transparent Cover, Interlocking Design, 6-Pack (1 Slot Each), PC+ABS Material
$19.99 $14.99
21700 Battery Box Holder for DIY Projects with Transparent Cover，6-Pack 1 Slot
- The battery box can be combined and spliced freely
- Advantages: The battery box can be combined and spliced freely, and the shell is made of PC+ABS high-quality materials. Small size, easy to carry. Simple to use.
- Features: The battery holder has a chamber that holds a single 21700 3.7V flat-top cylindrical lithium battery. No welding, no spot welding. The positive and negative poles use pure copper M3 screws to support high current.
- Function: no welding, no spot welding, good electrical conductivity, easy to lead out the positive and negative poles of the battery.
- Tips: Batteries are not included. It’s best to use a consumer 21700 battery with a button cap to get good conductivity from the positive and box terminals.