New 18650 19800mah Li-Ion battery rechargeable battery 3.7V for LED flashlight

{NEW} Type: 18650 pointed lithium battery Size:65mm length - 18mm diameter Support overcharge and overdischarge protection, voltage 2.75-4.20V Notice! Do not use the battery in an extremely hot environment, such as in a car under direct sunlight or on a hot day. Otherwise, the battery will overheat and may catch fire (ignite), so that,It will affect the performance of the battery and shorten the service life of the battery. The battery can only be used under the following conditions, otherwise it will reduce the performance of the battery or shorten the service life of the battery. It is possible to use the battery outside this temperature range cause overheating, explosion or fire. working environment: Charging: 0℃~45℃ Discharge: -20℃~60℃ Storage for 30 days: -20℃~45℃ Storage for 90 days: -20℃~35℃ When children use the battery, they need to follow the instructions in the user manual and pay close attention to them to ensure the correct use of the battery. If the battery leaks and the electrolyte gets on your skin or clothes, immediately wash the affected area with running water, otherwise it may cause skin irritation. Read the device manual of the battery to install and remove the battery correctly. If the device is not used for a long time, take out the battery and place it in a cool, dry place, otherwise, the battery may rust or deteriorate. If the battery terminals become dirty, wipe them with a dry cloth before use. Otherwise, the battery will have poor contact, causing energy loss or failure to charge.