\u3010More Powerful Jump Starter\u3011SUCFOCUS jump starter battery pack can quickly jump start a dead car battery / flat car battery / a weak battery in extreme conditions ranging from -20\u2103 to 50\u2103 (-4\u2109 to 122\u2109). Even if the battery voltage is too low, pressing the \""BOOST\"" button will force the car to restart. With boosted 4000A peak current, the SUCFOCUS car battery jump starter can restart your 12V vehicles (Up to 9 Petrol / 8.5L diesel engines) in seconds with a 45 C high-rate lithium battery.\n[Universal 12V Compatibility] Not just for cars! Portable car jump starter for emergency roadside assistance, Safely start motorbikes, Vans, sedans, ATVs, SUV, UTV, snowmobiles, dirt bike, boats, lawnmowers, trailer, RV, tractor and so on. A versatile emergency tool for all your 12V battery needs.\n\u3010Advanced Comprehensive Safety Protections\u3011Our Lithium jump starter power pack portable has 10 intelligent safety protections against overcharge, short circuits, r.