Poweradd Pilot Pro 32000mAh Monster Capacity Power Bank (5V/9V/12V/16V/19V/20V) External Battery with Digital LCD Display for Smartphones, Tablets, Pocket PC, Notebook, Chromebook and More Ultra-high Capacity of 32000mAh, provides 1.5 times charge to most laptops and up to 17 times charge for an iphone. Equipped with up to 3 outputs: 1 DC port for laptop, 2 USB port for 5V USB-charged devices, charge more than just 1 device at a time. Made of high quality reliable lithium polymer battery cells, more than 500 recharge cycles during the course of its life. Adjustable 5 voltage options (9V/12V/16V/19V20V) suiting your needs for different laptop models (check detailed compatibility list below). Stylish and slim aluminum-body ensures good heat dissipation,the smart LCD display makes it easy to regulate voltage and know how much source you've got left. Package Contents: 1* Poweradd&trade; Pilot Pro 32000mAh external battery / 3*Mobile phone connecting tip / 10*Notebook connecting tip / 1*USB spring cable / 1*DC cable / 1*AC Adapter / 1x User manual.