B Series
B501 Li-ion fast charge battery 4-slot Type-C Charger.

Lithium ion 4-slot Type-C Charger.

Four charging indication: red for charging, green for fully charged.

Powered through Type-C input interface.

Built-in integrated protection (over-charging, short circuit, battery reverse polarity).

Automatic cut off once fully charged.

Fast charging approximate 3.5 hours.

Connect with 3A adaptor.