• 【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
• 【Multi-Application】 Large capacity 18650 rechargeable battery is compatible with versatile devices, such as headlamps, flashlights, doorbells,small fans,remote controls, alarm clock,toys,etc. Helps you start your devices quickly
• 【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
• 【High Performance】18650 batteries 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
• 【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