【12V Car Jump Starter】With a large capacity of 21800mAh and a peak current of 6000A, it supports 12V vehicles with 8L or less gasoline engines and 6.5L or less diesel engines, eliminating the worry of not being able to start your engine. It is applicable not only to cars but also to motorcycles, motorboats, light trucks, and more! 【Safety Protection & PSE Certification】This product is PSE certified (Certificate Number: WUX202012155200PSC) and features high-quality lithium batteries and circuit protection functions provided by smart clamps, significantly enhancing safety performance. In case of short circuit/reverse connection/over-discharge/overcurrent/reverse current/reverse polarity/overcharge due to improper operation, voice and light alarms will be triggered, providing safety protection. 【Super Protection Function】The jump starter uses safe lithium batteries and is equipped with smart clamps, offering a total of 8 protection functions, including reverse charging protection, short circuit protection, overheat protection, overcharge protection, overcurrent protection, over-discharge protection, reverse connection protection, and reverse polarity protection, allowing even beginners to use it with peace of mind. 【Peace of Mind in Emergencies】In addition to jump-starting, it also functions as an LED light. It has four modes: illumination, SOS, strobe, and warning light. The high-brightness light is convenient for finding items in the car in the dark and for work. It can be used in various situations, such as outdoor activities, emergency help signals, and nighttime emergency lighting. This product has a built-in battery. If you do not need to use it to start the engine, please discharge and charge the product at least once a month to prevent the battery from deteriorating. Do not start the product continuously. After each starting attempt, please wait at least 1 minute before attempting again. Thank you for viewing.