... /polymerCapacity: 21600 mAh/3.7VOutput voltage: 5V, 7.4V, 9V, 12V, 16V, 19VOutput current: 1~4. ... of YITON movable power supply series, a fashion, convenient and big capacity battery. It can charge different laptop ... 5V, 7.4V, 9V ,12V ,16V, 19V, select the voltage which complies to battery of device or ... capacity, 21600mah, 4-30 times bigger than digital battery.2. With remind function after fully charge. ...