18650 Battery Charger Set, 3.7V Rechargeable Flat-top Battery for Flashlights

【Durable rechargeable】3400mAh 18650 Rechargeable battery large capacity,Which can be widely used for electronic devices, such as LED flashlights, emergency lights, portable devices, headlights, toys, remote controls, etc.Recharge up to 1050 cycles – longer battery life than alkaline batteries, No need to buy batteries frequently.【Safe One-Bay Battery Charger】The USB cable can be charged, can be connected to cell phone chargers, computers, rechargeable batteries, etc. for charging, simple and convenient. two-color LED indicator, red light is on when charging, green light is on when full, intelligent full self-stop. With multiple security protection settings, the charger can effectively prevent reverse, short circuit, overcharge, over discharge, over-current damage to the battery.【Product parameters】 Standard voltage: 3.7V, charging voltage: 3.7-4.2V, minimum discharge termination voltage: 2.75V, maximum charging termination voltage: 4.2V. Use 3400mah high capacity battery with low discharge rate,high drain,no memory effect,high energy density and pollution-free desige.Flat top battery was tested under strict quality-control standards,there is a totally risk-free.Please check your devices carefully before purchasing【What you get】 1 x Safe One-Bay Battery Charger, 4 x 18650 Rechargeable batteries (3400mAh), 1 x 2.1 USB charging cable, 2 x storage case and 1 x instruction sheet,All products will be checked one by one before being sent to Amazon warehouse, please rest assured to shop.【After Sales Service】 Product one year warranty, 3 months package return and exchange， If there are any problem with the product, please contact us in time. We will provide you with professional solution, satisfactory service in 24 hours.