The original 18650 lithium battery, with a large capacity of 3.7V, strong flashlight battery, headlamp singing machine battery, small fan with microphone amplifier battery. Smartphone heavy duty power bank mah powerbank square

【Wide Application】The 3.7V rechargeable battery type has excellent adaptability, which can be widely used for electronic devices, such as LED flashlights, emergency lights, portable devices, power bank, headlights, toys, remote controls, etc.

【Long Battery Life】Please fully charge when using. The batteries will reach the top performance after 3-5 times of charging cycle. No memory effect, battery can be recharged up to 2000 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, durable replacement for the old or damaged one. Store in a cool, dry place.

【Safe and environmentally friendly】 Safety and environmentally friendly, no harm to the environment. The anti-corrosion shell can effectively protect the battery and extend its service life. Prevent non-rechargeable battery waste. No memory effect, large battery capacity, let you no longer worry about your device without power.

【After-sales service】Rechargeable batteries have passed rigorous testing to ensure normal use, please rest assured to buy. It is reliable in quality and durable. If you have any problems, please contact us at any time and we will offer you a solution as soon as possible. Note: Please fully charge it before use, because we only charge the battery to 20% for transportation safety. Batteries will reach their maximum performance after 3-5 full charge cycles 3.7V 1800mAh long life rechargeable lithium ion battery high capacity 1200 lithium battery for LED flashlight (pointed tip).