Key features

• •[Powerful Battery Jump Starter] - YESPER's latest upgraded heavy duty 12V/24V jump starter with 6000 Amps peak cranking amp (for ALL Gas and Diesel engines); Can automatically identify 12V and 24V cars and switch the starting voltage; up to 65 jump starts on a single charge
• •[Start 100% Dead Car] - You can choose the time to start a completely dead car without relying on anyone. The MONSTER car jump starter would be cheap insurance in case your car wouldn't start. (Note: When starting a completely dead car, you need to manually switch to 12V or 24V)
• •[World's Leading Pre-heating Technology] - Monster Start N1 portable jump starter has a new upgraded preheating technology that makes it easy to start your car in cold weather, even at -40℉. Monster Start N1 jump starter battery pack helps you have a normal driving experience even in extremely cold weather
• •[Compact and Portable] - Refuse to use bulky lead-acid batteries, and use lithium-ion batteries that are lighter, safer and better in performance. With an overall weight of only 5.7 lbs, you'll be hard-pressed to find a 12V/24V jump box with such strong starting ability yet so light. The comfort handle helps you carry it with ease
• •[DSLI IV Intelligent Safe Tech] - Through reassembling the battery structure and with microcomputer control tech, YESPER portable battery jumper boosts the voltage by 30% delivering a more steady cranking current up to 6000A, fast starting your car in 1 second. Plus, Powerful Intelligent Temperature Control Tech significantly reduces the starting temperature, helping to start your car faster, safer and more stable
• •[145W Fast Charging] -The jump starter battery pack can be charged from 0% to 100% in 1h via included 145W 29V AC adapter. Even if you forget to recharge the battery jumper before going out, 5 minutes of charging are enough to start a car