You can use only 1 cell also?
Input:?Micro USB DC 5V
Output: DC 5V/2A or DC 5V/1A
Press Once, to check the electricity of the battery;??Press twice,?LED lighting is ON or OFF
Battery Type: 18650 lithium battery is 3.6-3.7v(batteries not included)
LCD indicator on front cover, showing the capacity, charging status and on/off status
You can put 1 to 5pcs 18650 battery for one time and please use the same type battery
Can discharge to load and charge the 18650 at the same time
Compatible for 5x 18650 lithium ion rechargeable batteries(batteries not included)
18650 battery holder case holder
Fit for iphone6 and other smart phones
This product is easy to use.