Features: brand new and high quality Realize fast constant temperature charging, constant current charging, balanced charging, with for protection functions such as overcharge, overdischarge, overload, reverse connection, short circuit, etc., to ensure that the equipment that needs to be charged is not harmed. Start at low temperature, not afraid of severe cold, and can still be used normally at minus 20 degrees. The high-performance polymer lithium battery is equipped with a for smart power IC, which can be used in severe cold areas. In summer, the temperature inside the car is as high as 65℃, and the environment adapts to a wide range, making it more comfortable to carry with the car. It can be used to charge mobile phones/digital appliances. Specifications: Material:ABS Size:Approx.15x8x2cm/5.9x3.14x0.78inches Color:Black/White Product weight: 260g Starting current: 400A for Peak current: 200-400A Applicable temperature: -20 degrees-+60 degrees Product function: car start, digital charging, lighting function Input port: 5V/1A Output port: 5V/2A 12V Package Includes: 1x Car Battery Starter 2x Battery Clip (black + red) 1x Manual User note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.