18650 Battery charger

18650 Battery charger

First of all this is a charger will help you to charge mostly 18650 rechargeable batteries.
18650 is actually the size of the battery 18mm by 65mm.
Therefore the charger will charge batteries of this size.
Furthermore the charger gets its designation from its dimensions, which are 18 mm across by 65 mm long.
Sometimes, depending on the charger can also charge smaller size batteries like 18340 or 18450.
Some chargers are not only for the 18650 but also for smaller rechargeable batteries.
Finally these batteries require specialized chargers to safely keep them in top shape.