Schumacher XP400 Instant Portable Power Source

• On/Off switch activates the jump starting mode
• Built-in charger for automatic charging of internal battery
• Battery status LEDs tells when battery is charged or needs to be charged
• Sure-Grip clamps fit both top and side-mount batteries
• A maintenance-free, sealed lead acid battery allow for storage in any position

This item does exactly what it says it will do. It's very simple to use. Doesn't take a rocket scientist to figure it out. Take out of box, then plug in for 36 hours. That's it. Done! Now, after we charged it for 36 hours we took it outside to our daughters car which was dead Since May 1st, 2011. Nearly two months. Wham, this little sucker boosted it immediately without being plugged into electricity. It has an internal battery. It can Boost or do over night slow recharges. It has a nifty built in light for those pesky jobs that are done after dark.

All in all, might wanna give this little thing a shot. Well worth the money, at least it was for us!

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I purchased this due to the quality reviews and have not been disappointed.

I charged the unit overnight and it was amazing. I've started several cars including my sisters jeep that had been sitting with the battery dead over a month. It started the Jeep in a few seconds. We kept the engine going for 10 minutes and then stopped the car. Without it being connected to the starter/Shumacher power source, the battery was so dead that it didn't even have enough power to turn on the dome light!

(P.S. for the cynical 3 men that asked about this item; please drop the negativity and read. The internet sure can get nasty. All I was saying was in this example that my sisters battery was dead and in bad shape but the charger still started the car. After I disconnected the charger and turned off the car, not even the dome light would go on. We then put the charger back on, started it again and drove to the store to get a new battery. What good is it? It allows you to drive to wherever you need to so you can get a new battery that's why it's good. Sheesh. If you leave your lights on and your battery still is in ok shape, obviously if you start your car the battery will recharge. If you STILL don't understand this then please move on to another review. Thank's though; I always appreciate comments.)

You keep this in your trunk and when you want to jump a car, you bring it next to your battery. Attach the positive and negative connectors to your cars battery and it starts in an instant. It is amazing. It also has a meter to show if it needs to be charged and it has a bright light that can be turned on when it's dark outside, especially during a rain storm.

If you have a child in college or at home that drives, this is a must have. With so many dangerous situations with young college girls, this can bring them piece of mind. Obviously it's for anyone; wife, husband, or child.

It also has connectors that you can run electrical appliances for various times. It's not a generator so it will be for fairly short times but it will charge a cell phone very easily.

I don't know of a product that I've been so pleased with recently. A great price, for a great product.

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In this day in age no one can leave their gadgets at home, even when going camping! We just bought a used school bus that we hope to eventually convert to an RV, but for now it's just a bus..... & busses don't come with cigarette lighters! I was trying to figure out how I was going to keep all of our phones & other gadgets charged for the entire weekend, plus run our air compressor. Then I came upon the Schumacher XP400 Instant Portable Power Source. This machine is super user-friendly, versatile, & lightweight! I took it out of the box & charged it overnight as instructed & it was ready to go! I was a little concerned about how long it would last since I'd never used it before, but we camped for four days & charged four phones numerous times as well as inflating two huge air mattresses along with several smaller floats. It still had over half its charge once we got home (as indicated on the handy charge tester on the front). The spotlight on the front also came in handy! The only thing that would make this power source any better was if it included an air compressor right on it, but since I already had a portable air compressor to plug into it, it was no big deal. I love this machine & I would definitely recommend it.

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I bought this back in February and had't had to use it until this morning (it's mid-November) when my car refused to start. I was a little trepidatious as there were mixed reviews when I bought it, the instructions state over and over that it needs to be recharged every 30 days and it's been at least 2 months since I last plugged it in; but I hooked it up, turned the key and vroom, my car came back to life. Could not have been simpler.

A couple minor inconveniences: The cables are awfully short, but long enough that I could connect them to the battery and rest the unit on my car frame without crossing any wires. And as others have stated, there's no cord to plug the unit in to charge it you need a 3-prong extension cord to do so, unless your outlets are situated perfectly to plug this directly into the wall.

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My Ford Taurus does not like to start in the cold. I have used this twice and it started right up. I thought the directions were vague to a non-mechanic and had to look online to see how it is done. This video from ehow was very helpful, google this title:

How to Jump Start a Car With a Jump Box