POWER BANK
BP4836B
BP4836B lithium batteries power bank
Professional lithium battery power pack , used for HeadlampHL40II, HL40AAII, HL20II, HL20AAII, HL08II , H08AAII and HL65 in 5.5DC plug version.
Extend 5.5 DC Jack anda OD3.5mm cable .
4×18650 Li-ion battery inserted with protection circuit board.