Features a high-capacity 15,000mAh Lithium-ion Battery. 700 Amp peak with a LED battery power level indicator. Capable to jumpstart vehicles up to 10 cylinders. Spark-Free with a 6-point safety protection system. Safety Protection against short circuit, reverse connection and polarity. Includes dual 5V (2.1A + 1.1A) USB ports for charging mobile devices. Ultra-bright LED flashlight 1000+ charge and discharge cycle. Holds charge for up to 12 months.