* Suitable for 21700 battery, 18650.

* Parallel balance charge-discharge technology which supports PD21700 to use not only a charger, but also a power bank.

* Smart battery charger with LED indication to clearly show the charging status and automatically detect the involtage of the battery

* High power conversion efficiency up to 90%

* Capable of charging 2 batteries simultaneously and controlling each slot independently

* TC/CCICV three-stage charging to maximize the battery lifepan

* Precisely cut off at 4.2V when the battery is fully charged.

* Reverse-polarity/ short circuit protection/overcharge protection/overheat protection

* Made bt flame restandant material