Specification: Battery Capacity: 15000mAh/55.5Wh Peak Current: 1200A Output : Type-C(5V / 3A);Dual Quick Charge (5V / 2.4A; 9V / 2A; 12V / 1.5A);12V / 10A; Input: Type-C(5V / 3A) GOOLOO GP1200 Powerful Auto Battery Booster With 1200A peak and 15000mah high capacity, it is can start most 12V vehicles engine (up to 8.0L (T) petrol or 6.0L (T) diesel) about 20 times on a single charge. Type-C in/out Quick Charge Port The Type-C in/out port (5V/3A) is used with the wall charger to recharge the Jumper pack. This port can also be used to charge other devices. Dual USB Quick Charge Output Port Equipped with Dual USB quick charge ports. You can charge your smartphone, tablet and other mobile devices 3X faster. 12V/10A Output Port The 12V/10A output port is designed to provide power for any 12V DC device, such as tire inflator, car refrigerator, car vacuum cleaner, and other devices. Safety Intelligent Clamps The intelligent jumper clamp features more than 5 advanced safety technology such as over-current protection, overload protection, over-voltage protection, over-charge protection, high temperature protection, making it totally safe for anyone to use.