21700 Rechargeable Battery 3.7Volt 5000mAh Flat Top 4 Pack Lithium Batteries for Headlamp Flashlight

About this item 【Battery Size】70*21*21mm(2.76*0.83*0.83inches) It’s a rechargeable battery FLAT TOP.Please confirm whether your device is suitable before purchasing 【Multi-Application】Long lasting 21700 batteries for headlamps, flashlights, doorbells,alarm clock,toys and other necessary devices.Wake up your device at any time 【High Performance】With a large capacity of 5000mAh, 21700 rechargeable batteries can last at least 20% longer than other batteries, ideal replacement battery for used devices with high frequency 【Safety Protection】Povides 6 types of protection, such as temperature protection, short circuit protection, overcharge protection to stabilize the battery 【Low Self-Discharge Battery】21700 battery can still maintain 80% capacity after 2 years of non-use, which can maintain the lasting performance of the battery itself and reduce the probability of battery damage Product Description Product information Collapse All Expand All User guide Features & Specs Warranty & Support Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here. Product Warranty: For warranty information about this product, please click here Feedback Would you like to tell us about a lower price? Item details Measurements