Specification:  1. Battery capacity: 82000mAh.  2. Output voltage car start terminal: 12V.  3. USB Output: 5V -2A.  4. Charge mode: CC/CV 15V-1A.  5. Start current: 300A.  6. Peak current: 600A(3S).  7. Cycle life: 3000times.  8. Use temperature: -20-60℃.  9. 15V / 16V / 19V voltage output indicator lights.  10. 15V / 16V / 19V --- 2A / 3.5A / 3.5A output.  11. Dimension: 170*79*32mm.  12. Plug: US plug, EU plug, UK plug.  13. LED illumination light with 4 alarm lights, voltage output indicator and battery indicator.  14. Electrical quantity indicator light. Key switch, Master switch.  15. Emergency safety hammer.     Features:  -SOS flashlight, never feel helpless in urgency.  -Plastic case package: easy carry, easy storage.  -Hammer in the front, play an important role when emergency escape.  -It can start car with gasoline displacement up to 4.0L and diesel engine up to 2.5L.  -Used as torch, guide you to the right direction when camping,climbing or hiking in evening.  -4 alarm lights,4 USB connectors, meet your multiple needs for charging phone,laptop.Charging for mobile phones and laptops, starting cars, adjustable LED lights (torch, strobe lights or SOS lights).  -It supports vehicles with 12V voltage or more. To start your car, firstly you should connect the power bank with the battery holder and then connect the negative and positive connectors of the holder with your car battery.     Description:  -High capacity with high power polymer battery is adopted for fast charging.  -It is the ideal choice for night shift workers, overtime workers and many others.  -It can support an emergency jump start and entirely replace the included battery for a car startup.  -Over-current protects the device from overload, making it more convenient, safer and more energy-efficient.  -It also supports general cellular phones/laptops charging and completely replaces products similar to mobile power banks.  -Four levels of power display indicate battery status, real-time recharging reminders, automatic shutdown under no-load condition.  -With true powerful flashlight , three-function switch-over, emergency rescue, signaling , lighting, deterrence, defense and other powerful features.     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. Four 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, strobe, SOS, close) by pressing the switch to transform.  6. Store the product in a cool and dry place and away direct sunlight.     Package included:  1 X Car jump starter (Power bank).