The input voltage. 5 v
Charge cut-off voltage. 4.2 V - 1%
Maximum charging current. 1000 ma
The battery discharge protection voltage. 2.5 V
Battery. over-current protection current 3 a
The board size. 2.6 x 1.7 CM
Use left/right arrows to navigate the slideshow or swipe left/right if using a mobile device