Yesper Speed 4120 is a portable lithium-ion battery car jump starter pack that can deliver 4120 A peak current to jump start 12 V car vehicles up to all gas engines and 10.0 L diesel engine. Weighing at 1.71 ibs, Multipurpose Vehicle Jump Starter is great to hold in your hand and occupies only a fraction of your car trunk. Multipurpose Vehicle Jump Starter features 8 safety protection, making it safe and easy for anyone to use. Multipurpose Vehicle Jump Starter a powerful car booster that doubles as a 24000 mAh power source for recharging USB devices and your 12-16.8V DC car devices. Built-in 3 modes of LED light, like a flashlight, SOS, strobe, helps you see your engine, change a tire at night, or even warn oncoming traffic when you need roadside assistance. The most desperate thing is that a dead battery leaves you stuck on the roadside, time to put a YESPER JUMP STARTER in your car. Always a YES on the go.














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