It can accommodate 2 18650 lithium-ion batteries to make your own power bank
A portable external power supply, provides your devices enough power, also is a battery charger for 18650 battery, a dual-use item
Dual USB output ports, can charge phones, tablets or other small electronic devices simultaneously
Independent circuit, charging and discharging at the same time, can work together and not influence each other
With LED indicator, easy to know the remaining capacity
Disconnect the circuit automatically when the battery is reversed to protect the battery and case, reversed polarity will not affect the normal operation of other circuits
Specification:
Battery: 2 x 18650 li-ion batteries (not included)
Input: 5V/1A
Output: 5V/1A, 2A
Product size: approx. 10 x4.8x2.7cm
Product weight: about 47g