Powerful Car StarterOur Bmatwk car battery charger starter has enough power (2500A peak current) to start most 12 volt vehicles (up to all petrol or 8L diesel engines) on the road Perfect for cars, motorcycles, boats, ATVs, UTVs, SUVs, lawn mowers, yachts, boats, snowmobiles and more. Unique Reverse Charging FunctionBmatwk starter and battery charger can charge your car battery and start your car in 20 minutes without opening the car hood. Just turn on our starter and connect your car cigarette lighter with our device via the included reverse car charger. Power 12V Car DevicesThis 12V battery booster pack comes with a DC cigarette lighter adapter, which is convenient for you to power other 12V car devices, such as air compressors, car vacuum cleaners and car refrigerators. 5 IN 1 LIFE SAVER KITThe jumper starter box has 5 functions: 2500A peak current starter, 28000 mAh power bank, 3 modes LED flashlight, safety hammer and compass. NOTE: Before charging your ph, tablet, or using an LED flashlight, press and hold the power switch for more than 3 seconds to turn on the device. You will get1 x car starter, 1 x charger, 1 x clip, 1 x -to-three charging cable, 1 x user manual, 1 x storage bag. The built-in protection circuit of this portable car jumper starter works with smart jumper clips with more than 8 advanced safety protection features. Car Starter Starter, Bmatwk 2500A Peak 23800mAh Portable Car Battery Starter for All Gasoline/8.0L Diesel Engines 12V Battery Booster with Reverse Charge Technology, Jumper Cable, Safety Hammer, Compass