HUNDREDS OF HOUSEHOLD DEVICES: These QOJH 18650 rechargeable batteries can be used in remote controls, flashlights, toys, wireless computer devices, rc cars, solar lights, mini fans, shaver, game controllers and more. IMPORTANT NOTE: QOJH flat top 2600mAh 18650 rechargeable li-ion battery which length is 2.56 inches and the width is 0.7 inches. PRE-CHARGED AND READY TO USE: Each 3.7v lithium ion battery is ready to use. LONG LASTING PERFORMANCE: QOJH 18650 batteries maintain 30% of capacity after 24 months of non-use and and can be recharged more than 2000 times, reduce the waste of disposable batteries effectively. SHOPPING TIPS: Please contact us anytime if you have any problem with order", we will help you to solve it as soon as possible.