【4000A Car Jump Starter】: The Q11 jump starter boasts a peak current of 4000A can quickly jump start a dead car battery and can quickly start 12V vehicles, including gas engines or diesel engines of up to 10.0L. The lithium battery booster allows for up to 60 jump starts on a single charge (just over 25% of power is enough to start your car). It is suitable for cars, trucks, motorcycles, boats, RVs, tractors, and more. | 【8 Types Protections】: This portable and easy-to-use battery jump starter provides safety without the worry of incorrect connections . It has over discharge protection , reverse polarity protection, low-temperature protection, high-temperature protection, over-load protection. You can safely connect it to any 12-volt automotive car battery for ultimate protection. | 【2 USB Power Pack】: The Q11 portable jump starter is designed with 2 USB outputs (5V/3A and 5V/2.1A). The quick charge 3.0 USB port can fully charge your cellphones, tablets, and other mobile devices at the fastest rate (up to 75% faster than a standard charger). It can also power your other car accessories using a 12V-16V/10A DC port, such as tire inflators, inverters, and more. | 【4 in 1 Multi-Function】: The Q11 jump starter is a powerful jump starter; portable charger, LED flashlight, and S.O.S. lighting signal for help. It can help you in any situation, especially for adventures, outdoor activities, emergencies, and travel. | 【What You Get】: The package includes a Q11 Car Battery Jump Starter x1, Smart Jump Cable x1, USB Type-C Charging Cable x1, EVA Carrying Case x1, Cigarette Lighter Converter x1, and User Manual x1. It also comes with 2 years of technical support. Please feel free to contact us if you have any questions.