Every car owner dreads the day when their car's battery just won't start. The situation gets worse when you're alone and there's not another car in sight. Luckily, you can be prepared with the STANLEY 1000 Peak Amp Jump Starter with Air Compressor. This device packs 500 amps of instant starting power, as well as 1000 peak amps, offering a convenient, portable way to jump-start your battery without relying on another vehicle. All you need to do is connect the hook and the clamps to your battery, turn on the switch, and start your vehicle. A built-in safety system sounds an alarm if you connected the clamps incorrectly. This jump box also functions as a portable power station; it has a built-in USB port, highly useful if you need to charge your phone, and the 120-psi air compressor can help with low tires or filling up toys and sports equipment. With enough power to jump-start your car, truck, motorcycle, boat, RV, or tractor, the STANLEY Battery Jump Starter is ideal for everyday use or roadside emergencies. Easy-to-read LED indicators will tell you how much power you've got left in reserve, and the covered 120 Volt AC socket lets you use an extension cord to recharge the unit with ease (Extension cord sold separately). Note: The unit should be charged every 30 days if it is not being used. If it is used, it should be charged immediately overnight.