LCD SMART DISPLAYThe 3.4 -inch LCD smart display makes operation clear and simple for customers. This battery jump starter detects and displays the operation status, power level, and possible errors in real-time, so you can see the status of the jump starter battery pack at a glance. USER-FRIENDLY DESIGNThe battery jumper is equipped with 400 lumens bright LED light that can last up to 72 hours. The luminous area is 2-3 times larger than other car battery jump starter. 3 modes (flashlight/strobe/SOS) for different emergency situations. Especially the red SOS mode works as a warning triangle.
ADVANCED PROTECTION SYSTEMThe S4000 portable jump starter has 10 advanced safety protections to ensure you 100% safe use. The jump box can quickly and safely start a dead car battery even in extreme temperatures (-4°F~140°F). WHAT YOU GETCar jump starter x1, jumper cable x1, charging cable x1, EVA carrying case x1, 15W wall charger, user manual x1 and 2 years of product quality maintenance. If you have any after-sales questions about the portable car jump starter, please feel free to contact us. FRIENDLY TIPS1. Please keep the battery starter power above 50%, the startup efficiency will be better.
2. There is a protective film on the screen, please don't mistake it for scratches. 3. If you don't use it for a long time we recommend you recharge the jump starter once every three months. 4. When you use the "ready" function, you need to press and hold it for 4 seconds.