XTPower® MP-16000 Power Bank - portable external USB and DC battery with 16000mAh - USB 5V 2.1A and DC 12V / 16V / 19V (Electronics)
Unfortunately, the device has given up the ghost within 3 months after 3 charges. As it was still working, the battery lasted a long time, invited my smartphone but rather slowly. The fast broken only 1 star.