NEXPOW Car Jump Starter 4000A Car Battery Jump Starter Portable Pack for Up to All Gas and 10.0L Diesel Engine 12V Jump Box, Jump Pack, Battery Booster, Portable Jumper Cables with LED Light/USB QC3.0

【8 Types Protections】: This portable car jump starter is easy to use 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 汽车用品 car battery for ultimate protection.【2 USB Power Pack】: The Q11 car battery charger 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/10A DC port, such as tire inflators, inverters, and more.【4 in 1 Multi-Function】: The Q11 jump box is a powerful jump starter; portable car battery 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 and portable jumper cables x1, USB Type-C Charging Cable x1, EVA Carrying Case x1, Cigarette Lighter Converter x1, and User Manual x1.【TIPS 】Before starting the car, please ensure that the power is greater than 50%. In addition, if you have not used it for a long time, it is recommended to charge the jump starter every 2-3 months to keep the jump starter in a healthy state.