Plug it into a wall and it is a wall charger. Take it with you and it keeps charging even when it's not plugged in. Here is how it works: At night, you plug in your phone and tablet or laptop into it. ...
Plug it into a wall and it is a wall charger. Take it with you and it keeps charging even when it's not plugged in. Here is how it works: At night, you plug in your phone and tablet or laptop into it. ...