Port: Micro USB charging port, Android port. USB port output
Indicator light: When charging, the red LED light; when fully charged, turn off
Has protection function, prevent over-charger/over-discharger/load (support charger and discharger at the same time)
B positive and B – negative can not be reversed.
Polymer battery 18650, lithium battery, mobile phone battery, tablet battery and MP3 battery
Can be connected to a lithium battery, can connect multiple sections of lithium batteries, as long as the voltage is 3.7-4.2V in parallel, how many batteries are not affected.
Size: about length 22mm * width 17mm * thickness 11mm