... power and durability; the classic supply time: 4-7 hours notebook product supply; mobile phone power supply for ... 4can be a key to automatically adjust the 5V, 7.4V, 9V, 12V, 16V, 19V output voltage LCD ... durable;8the classic supply time: notebook powered 4-7 hours; mobile phone power supply for more than ... and low battery Auto power off function;95 V, 7.4V, 9V, 12V, 16V, 19V output voltage LCD ...