Features:
--Stylish design, 100% brand new and high quality!
--Fashion vivid color design & lightweight & easy to carry around
--Support replacement of 18650 Li-battery. Easy to use and secure
--Can also be use as Battery charger for 18650 batteries
--Plug and Play, power output using the USB port, plug the data cable to achieve portable, ready to charge

USB output: 5V/ 2A (MAX)
Type-C input port: 5V/ 2A
Power display: 4 level LED lights display power, intelligent automatic shutdown when not in working state

Must read before buying:
1: Usable battery: 18650 lithium battery (without protection plate)
Battery requirements: 3.3-4.2V lithium battery (18650 lithium battery) : Do not connect other batteries, such as 18650 nickel metal hydride battery (1.2V), 3.2V iron lithium battery, all dry batteries, and 12V lead acid battery
2: charge and discharge protection: circuit board built-in lithium battery protection IC, over voltage protection, over current protection, under voltage protection, etc
3:4 pack can hold up to 4 18650 batteries (pack 3, 2, 1 is no problem).
4: charging input requirements: the best match is the charger above 5V1A, any other 5V constant voltage power supply can be used as charging input power supply
5: after the battery is just connected, there will be output only after the circuit board is charged and activated. If the mobile power supply is not used for a long time, the power supply will turn off the output and still need to be activated.

Specification:
Type: Charger Case 
Material:alloy
Size: 90*77*22mm
Color:silver/blue/black/gold/rose red
Battery : 4* 18650

Package Contents:1*Charger Case (without Battery )