Battery capacity: 10400mAh (12.8V 2.6Ah) Rated input voltage: 5V/2A Micro USB Rated current: 270A Peak current: 400A Operating temperature: -20°~60° Battery and alternator test mode LED working light   Benefits: Supports fast charging and low self-discharge Supports 12V vehicle jump start Charge for various cell phones, tablets, handhelds etc. Supports 3 lighting modes Built-in multiple safety protection from overcharge and over-discharge.   Accessories: Jumper Cable USB charge cable Test input cable User Manual