Car emergency move car start power supply 12V car jump Starter ignition charge treasure lithium battery. Features: 1. High capacity 50800mAh, multifunction power battery charger .High efficiency of power conversion 2. Support emergency starting of 12V car, compatible with charging and discharging of branded cell phones, PSP, MP3/MP4, laptop, PDA, notebooks, car refrigerator and so on 3. Power off automatically when there is no load or charging is complete 4. 3- 4 hours or more full charging of iPhone/Android or any mobile phone 5. Approx 20 times starting a vehicle when fully charged 6. Power charge of this device will remain 1~2 months without recharging 7. Battery can be charged at home using a wall charger or inside the vehicle using the cigarette lighter adapter. 8. Usage: outdoor, travel, camping, exploration and expedition, vehicles 9. 4 lighting modes: strong light, flash, SOS, warning light 10. Multiple safety protection design. Specifications: LED illumination light 12V / 16V / 19V voltage output indicator lights Output: 12V / 16V / 19V --- 2A / 3A / 3.5A USB 5V / 2A output Capacity: 50800mAh Input: 15V / 1A charge input Size: 165*79*40mm Charging time: 2~3 hours Instructions for use: 1. Select the appropriate voltage and connector for the electronic device to charge / power supply 2. Press the switch to start charging when your device connected with the power bank. If you unplug the cable, auto-sleep will start in one minute. 3. Five LED lights will flash circularly during the charging and all lights will keep bright when your device is full-charged. 4. During charging for your device, LED lights indicate the balance power of the built-in battery. Four lights indicate 80% balance, three lights indicate 60% balance, two lights indicate 40% balance and one light indicates 20% balance.The built-in battery is empty when all LED lights start to flash. 5. Press the switch five seconds to start If you want to use LED for illumination and select the status (light, SOS, close) by pressing the switch to transform. 6. Store the product in a cool and dry place and away direct sunlight. Cautions: To avoid from accidents, make sure note the following cautions: 1. Take off the main unit within 30 seconds after starting the car. 2. Don't clip the two terminals at the same end on the battery. 3. Don't Disassemble the unit.