Smart Lithium Jump Starter - Rated at REAL 2160A peak current, This YJS20 car battery booster pack can easily start most 12V vehicles(up to 9.0L Gas and 7.0L diesel engines) in seconds - up to 50 times on a single charge - works even in extreme climate -4~140.All-new Design - The new YJS series jump boxes equipped with rugged ABS casing is fire-proof, dust-proof and shock-proof for more sturdy and durable use. It comes in handy with the included EVA storage bag for camping or traveling, no waiting around, no leaving you stranded.DSLI Technology - Our R&D team with professional battery experience over 10 years developed core intelligent technology (DSLI technology),which ensures safety of the products with its microcomputer controlled program including short-circuit protection, overcharging protection, energy-saving protection and capacity management, is to protect our mini starters from damage or improper operation.More Than a Jump Starter - Its also a portable power bank for charging devices with REAL 59.2Wh(16000mAh) battery capacity, great for a quick emergency charge of your phone, tablet, camera, headphone, GPS or other mobile devices through dual USB, Type-C and DC output ports. The built-in LED light with 3 modes: Flashlight, Strobe, and SOS.Product Set - YESPER YJS20 Car Battery Jump Starter, Heavy-Duty Jumper Clamps, USB to Type C Cable, Cigarette Lighter Adapter, Carrying case, User Manual. And 18-month worry-free warranty & lifetime technical support. Feel free to contact us with any questions.