KAMCY 18650 Rechargeable Battery Button Top With 18650 Battery Charger, Universal Smart Charger for 3.7 Volt Rechargeable 18650 Lithium Ion Battery (4 Pack Button Top Battery+Charger)

USB Charger Safety Protection Under voltage protection, over voltage protection, over current protection, over temperature protection, short circuit protection, excellent heat dissipation design. 2 charging channels can charge the battery independently.

Button Top size: 67*18*18mm/2.64*0.71*0.71inch; NOTE These are 18650 rechargeable batteries BUTTON TOP, please check carefully before purchasing. Please confirm whether the battery model required by your device.

Wide Compatibility: Compatible with LED flashlights, emergency lights, portable devices, headlamps, toys, remote controls, doorbells solar lights, racing, game controller, ,mini fan and other electronic devices.

Charging display: This Battery charger with Red/Green led light display, And the charger will display the status of each rechargeable battery when charging,Automatically detects battery power status and automatically stops charging when complete.

High Capacity: Long lasting 3350mAh 18650 battery, easy to charge. Support stable 3.7volt output voltage, makes the devices work more stable and lasting longer, ideal replacement batteries for high frequently used devices.

High Performance: 18650 Battery has no memory effect, More than 1000-1200 cycles of complete charge and discharge cycles.Efficient and large capacity battery provides reliable power support for your daily use and emergencies.