Following are the Main Features of 16000mAh Max Power Battery:- 1) Press the button, 5 LCDs show the Cap, USB output is open up,2) 5 LEDs display as horse-race lamp when it is charging.5) DC output have 3 levels output value,with 3 opposite LED, it could be selected by the switch,and if we select a output value,the opposite LED will turn on.Specifications .1. Battery Type: Li-Po 2. Capacity: 5500mAh/61Wh 3. Input:15~18V/2A 4. Output: DC 60W (12V/16V/19V);USB 5V/1200mAh 5. 183*125*13mm 6. 450g.7.Packing with color box.Fits for Laptop,Mobile Phone, PDA, DVD, NDSL MP3/MP4 Standard Accessories 1ã12 pcs mobile phone connectors;2ã2 USB sprial cable;3ãDBK020(19V/2A) adapter 5ã DC cable(70cm length/size:5.5*2.1)6ã10 pcs Laptop connectors(L01 to L10).Supplier Promise Returns:We do our best to serve our each customer the best that we can.We will refund you for items returned within 7 days of you receiving them, for any reason. A full refund will be given if items are returned in their original condition.Merchandise which is damaged or missing components is not refundable.Buyers are responsible for return shipping with proper packaging.On receiving items, we will refund you immediately.Warranty &Maintenance:We provide 1 month replacement and 12 months maintenance warranties. Items can be replaced during the first month or maintained for the first year.