Car Jump Starter 20000mAh Car Jump Starter Battery 12V Portable Power Bank Auto Engine EPS Emergency Laptop Car Charger LR15 Multi-funtion Jump starter **** Jump start 12V vehicle with jump start socket **** Charging cell phone with USB 5v 2A output port **** Charging tablet with 19v 3.5A output port **** For 12v vehicle products with 12v 2A output port **** LED SOS Flashing Product Features : 15000mAh high capacity using high-power polymer batteries , to support fast charging, low self-discharge , charge and discharge cycles up to 1000 times ; Support 12V car emergency start , the brand mobile phones , PSP, MP3/MP4 handheld PDA, laptop and other products charge / power supply , along with lighting function ; Multiple safety protection design to ensure zero defect products . http://detail.1688.com/offer/43975587052.html?spm=a2615.7691456.0.0.WleyH9 Parameters : Battery Capacity: 20000mAh Size: 160x75x28mm Output: 5V - 2A: 12V - 2A: 19V - 3.5A Starting current: 200A Input: 12V - 1-2A Peak current: 400A Life: More than 1000 times Note : When the car starts to 12V , make sure the positive ( + ) and black clamp clamping battery power indicator negative EPOWER in three or more, the red battery clip clamp ( - ) pole ; then the battery cable connector into EPOWER, automobile ignition switch to start (START) position. After the car starts , immediately pull the plug , then remove the battery clip clip . Included: 1x Multi-Function AUTO Emergency Start Power 1x Car charge 1x The wall plug charger 1x Battery clip 1x Laptop interface 1x USB Tieline 1x User Manual