Capacity: 4000 mAh
Dimension: 170*85*22 mm
Weight: about 500g
Output voltage: 5.5V, 16V, 19V
Output current: 4200mA max
Charge time: 2.5 hours
Details See Product Specs

Introduction:
This product is a portable external battery pack for Notebook computer, mobile phone, MP3, MP4, digital cameras, this power can be used as the charger and spare battery, the voltage and the current can be automatically adjusted with the different intelligent discharge converter, so the power can be applicable to 95% share of the notebook PC on the market! It can not only directly supply the notebook PC, but also charge the built-in battery. It includes one built-in USB output interface and can charge the devices with USB interface such as mobile phone, digital cameras, MP3, MP4, PSP and PMP through different connection lines. So it is convenient for and remove the trouble of the device without power for you at any time.