Jump start pack. Battery not included. Requires "Milw Red" 18 volt battery pack. Jump start your car with this jump start pack. Just connect an 18 volt "Milw Red" battery and connect to battery to jump start in 10 seconds. Everyone already has a "Milw Red" 18 volt drill? You can just use that drill battery and jump start your car. Great for emergencies, keep one in every vehicle. All you need is a fully charged 18 volt "Milw Red" lithium ion battery pack. *Do not leave battery installed when storing jump pack.* *Do not touch positive and negative jumper cables together.* *Numerous positive feedbacks available. Ask me for links.* *Assembled right here in the USA!* *Once battery is engaged the alligator clips are live at all times.*