Introduction :
Available Batteries: Polymer Battery 18650 Battery Lithium Battery Cell Phone Battery Tablet Battery MP3 Battery
Can be connected to a lithium battery can also be connected in multiple sections of lithium batteries, as long as the voltage is 3.7-4.2V in parallel , how many batteries is not affected
Features :
-
Size: about length 22MM * width 17MM * thick 11MMinput : 5V 1Aoutput :  5V 1Alithium voltage : 3V- 4.3VPorts : charger Micro USB Android port . Output USB portcharge indicator : when charging , the red led light; when full charged  , it offit has protection functions, protect from over-charger / over-discharger/ over-load  ( support charger and discharger at the same time )