You can safely jump start a dead battery in just seconds with the KMASHI 600A jump starter for $47.99 with coupon code 7UVAF8B7. The KMASHI car jump starter with a 600A peak current can jump start a 6L gasoline or 5L diesel engine up to 20 times. If features 12000mAh external battery, smart safety clamps and a built-in LED flashlight with 3 lighting modes. In case you need more than just a jump start, the 2.1A USB port provides enough power to let you make any necessary calls in an emergency situation. It’s super compact and lightweight design makes it ideal for carrying and storage. It will also protect your vehicle and devices with, built-in smart protection, over-current, over voltage, overcharge, short-circuit, reverse polarity and surge protection.