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Dual-use battery case D4 for 20700 & 21700
* Quality Plastic Case for Battery Storage
* Brand: KeepPower
* Part No.: D4
* Application: 20700 & 21700 battery
* Made in China
●  Part No.: D4
●  Quality Plastic Case for Battery Storage
●  Brand: KeepPower
●  Application: 20700 & 21700 Cylindrical Battery
●  Life: Lock & Unlock for over 10,000 times
●  Designed by KeepPower, Made in China