Li-ion 18650 3.7V Battery Charger 4-pack Filling Device

 

A charger that you can use to charge your 18650 Li-ion batteries, operated by plugging it directly into the socket . This charger, which can charge your 3.7V rechargeable 18650 lithium batteries, is very easy to use. It offers the opportunity to charge four, three, two batteries or a single battery at the same time.

The battery or batteries must be installed on the product with the correct plus and minus directions. Then the charger is plugged into the socket. The LED on the device starts to glow red. When the batteries are charged, the LED light on the product turns green. For your safety, do not leave this product on charge overnight or leave the product plugged in after the batteries are charged. When charging is completed, unplug it.