Feature:
100% Brand new and high quality.
This item is Battery Box Holder.
DIY power supply.
Easy installation.

Application:
1. You can use this case with your own battery to form power system supply.
2. Case for rechargeable battery.
3. Simple DIY recharge power supply.

Specifications:
Battery type: 18650
Connection: soldering
Color: Black
Item Size: 7.9 * 7.8 * 2.1cm / 3.1 * 3.1 * 0.8in
Package Size: 19 * 14.5 * 2.3cm / 7.5 * 5.7 * 0.9in
Package Weight: 58g / 2oz 

Package list:
2 * 4×18650 Parallel Battery Holder