50000mah Car jump starter:

Feature:
1.Upgraded High-quality Electric Core: Higher conversion rate and longer service life. 
2.Security Clamp: This smart battery clamp is much safer to use, avoiding much dangers.
3.Strong Protection: Protected connector; short-circuit protection; over-voltage protection; over-heating protection; overload protection; magnetic field to protect; over-discharging protection; over-current protection; low-power operation.
4.Multiple Emergency Light Mode: Includes SOS mode, flash mode, long light mode and shut down mode, ensuring your safety in case of staying in the dark.
5.50000mAh Large Capacity: 50000mAh battery capacity is large enough to provide power for your vehicles. It is designed for 12V vehicles and applicable to gasoline vehicles below 3.5L.
6.Strong Performance and Nice Appearance: The texture of the shell is full a sense of science and technology and has better anti-scratch performance.
7.Waterproof Design: This car battery is waterproof, which allows it to be used in rainy days.
8.Wide Application: For minivan, passenger, off-road vehicle, light-van, motorcycle and other vehicles.
9.-20 ~ 65℃ Applicable Temperature: Smart power supply, explosion-proof and high-temperature-resistant with -20 ~ 65℃ operating temperature.
10.As A Power Bank: Support 12V vehicle jump start and charge for various cell phones, PSP, MP3/MP4, PDA, laptop, car refrigerator and so on.
11.Slim and Portable: Light and small, this car battery is easy to carry for your needs anywhere and anytime.
12.Remaining Power Display: LED indicators will show you the accurate remaining power.

Specification:
Type: Car Starter Battery
Input Voltage and Current: 5V/2A
Output Voltage and Current: 5V/2A
Scope of Application: Support 12V vehicle jump start and charge for various cell phones, PSP, MP3/MP4, PDA, laptop, car refrigerator and so on.
Support 3 kinds of LED Lighting Modes: Lighting Mode, Flash Mode, SOS Mode.
Power Display: Tap the touch switch to display the remaining power
Cell Type: High Power Polymer Cell
Capacity: 50000mAh
Conversion Efficiency: 98%
Starting Current: 300A
Peak Current: 600A
Lifespan: 3000 Cycles
Applicable Temperature: -20 ~ 65℃
Size: 141*79*23.5mm
Applicable Vehicle: Gasoline car of 3.5L below，Diesel-engined car of 2.0L above

How to Use:
1.The clamp is connected to the positive and negative poles of the car. Note: The red clamp is connected to the positive pole and the black clamp to the negative pole.
2.The clamp is connected to the car battery starter.
3.Start the car, start successfully.
4.Remove the clamp. Done.

Package Included:
1 * Car Starter Battery
1 * Security Clamp
1 * Three-head Charging Cable
1 * User Manual