... 3. 2200mAh 4. 4 led display the capacity 5. USB and Mini usb ports usb power bank for phone, camera, mp3, mp4, for ipad, for ... With Micro USB port and USB port with led display to show the power comsumption Nice design, so that you can used portable battery ... seperately .You can used solar panel, USB charger and AC charger to charge this portable battery .then with different adaptor, you can ...