21700 Rechargeable Battery 3.7V Li-ion Cell 5000mAh Large Capacity for Headlamp, Flashlight 241121（4 Pack

About this item Size: 70mm x 21mmx 21mm(2.75*0.82*0.82 inches) ; Battery must be FULLY charged before first use. Versatile Battery – 3.7 volt rechargeable battery 21700 is versatile and can be used for a variety of electronic devices, including LED torches, portable devices, headlights, toys and other household appliances. Environmentally Friendly – 21700 rechargeable battery supports multiple charging and discharging cycles without memory effect, 1 pack rechargeable battery is equivalent to 1000 packs disposable batteries. Designed with multiple protection functions, such as over-charging, over-discharging and short-circuit protection, to ensure safe and reliable use. Warm After-sales Service: If you have any problems, please feel free to contact us. We will solve the problem for you ASAP. › See more product details From the brand 3.7V Rechargeable battery CBJJ is a leading manufacturer of rechargeable lithium batteries. Our brand story is one of innovation, reliability, and sustainability. At CBJJ, we are committed to reducing our environmental footprint and promoting a clean energy future. Join us on our mission to power a better world with CBJJ. Product information Collapse All Expand All User guide Antenna Location Indoor Item details Model Name 111 Best Sellers Rank #149,278 in Health & Household (See Top 100 in Health & Household) #162 in 3.7V Batteries ASIN B0DJ4VKLN2 Brand CWUU Number of Batteries 4 Lithium Ion batteries required. Manufacturer CWUU Measurements Unit Count 4.0 Count 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? Additional details Battery Cell Type Lithium Features & Specs Reusability Rechargeable Voltage 3.7 Volts