【Dimension】Button Top size: 65*18*18mm(2.56*0.7*0.7inch). NOTE: Please confirm whether the battery size and battery type before purchase
【Warm tips】Please fully charge the battery after receiving the goods, when the battery is too low, please charge it in time, which will help to extend the number of times the battery is used
【High Performance】18650 Battery has no memory effect, More than 1000 cycles of complete charge and discharge cycles.Efficient and large capacity battery provides reliable power support for your daily use and emergencies
【Versatile Use】 The high-capacity 18650 rechargeable battery works with a wide range of devices, including headlamps, flashlights, doorbells, small fans, remote controls, alarm clocks, toys, and more. It enables quick activation of your devices.
【High Capacity】Long lasting 9900mAh 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