Others charge over $40 for this kind of extra juice! Big Power 4000mAh Power Bank For Phone Or Tablet.
It's Simple:
- You charge it up with the included cable (takes about an hour).
- Then you plug WHATEVER USB Cable into this thing (like your Apple lightning cable or Samsung USB-C cable or whatever!) into here when you need some extra juice and it'll charge your device.
- Works on Phones and Tablets
For this price buy a couple! That way you'll always have some juice!!