ZWDCVFGK 4000mAh 3.7V lithium Battery, for Camping light Battery Longer Life Down Solar

[ Battery Life] Please charge fully when use. Batteries will reach top performance after 3-5 times fully charge cycle. No memory effect, the battery can be recharged up to 1200 times when fully or partially drained. [Multiple protections] The product provides 6 protections, such as temperature protection, short circuit protection, overcharge protection, and overcurrent protection to stabilize the battery. High performance and high reliability, Store in a cool, dry place. [Safe and environmentally friendly] Safe and environmentally friendly, no harm to the environment. The anti-corrosion shell can effectively protect the battery and extend its service life. Preventing waste of non-rechargeable battery. No memory effect, the large battery capacity, allows you to worry no more about your device without power. [Wide application] 3.7V Rechargeable battery type has great adaptability, which can be widely used for electronic devices, such as LED flashlights, emergency lights, portable devices, power bank, headlights, toys, , and etc.