Stanley J509 500 Amp Jump Starter

• 1000 Peak Battery Amps / 500 Amp Instant Starting Power
• DC & USB charging plugs as well as a high powered LED light that rotates 270 degrees
• Consists of reverse polarity alarm for safety along with a top-mounted rubber molded handle for easy grip
• Heavy duty metal clamps and Number 6 AWG cables
• Contains power/charge indicator and audible & visual reverse polarity alarm

This review is based on ~8 months of use. Purchase price was $70.

This starter pack is useful if you have a car that sits a lot, and you cannot use a float/trickle charger (like at an apartment). I telecommute most of the time, so my car battery does not get charged much by the alternator. I noticed that the battery in my car was no longer zippy (starts up fast when the battery is good), so I bought this starter pack to supplement the car battery. I would use it multiple times before I recharged the pack. The car battery eventually became severely damaged (interior lights were completely dead) due to lack of use/charge and this pack started the car up on the first try so I could get to Sears.

Stanley recommends that this pack be charged every month, regardless if it is used or not. After the purchase of a new car battery, the jump pack sat in my car for a while, but still held a charge. It was able to start the car of a stranded motorist after not being charged for weeks.

Note that this starter pack cannot run a tire pump from the cigarette lighter outlet as the amp draw is limited to .5amp. Get a different unit if you plan on using it for this purpose. The LED light is quite dim, but better than nothing when you are on the side of the road without a flashlight.

Buy a short extension cord to charge this jump starter, as it does not come with one.

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I recently purchased the Stanley Jump Start for myself, and what a great item this is. Totally portable, charges off a common extension cord into your own outlet(s). Not too heavy, many features like a light attachment, a USB port, neatly accomodates the cables. Well worth the price, and I found out about it from my AAA service for dead car batteries. I love it when people share great buys.

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I am rating this unit at three as I am not sure yet if it is defective, or just not very worthwhile. I bought it about a month ago, and charged it fully as was recommended in the directions. A week later, I had the "opportunity" to use it and it failed to jump start my neighbors riding lawn mower. The battery on the unit did not did not hold a charge. I put a charge on it again, and will see if it holds this time. I should think a week between charging and using should not render the battery so weak as to not start a little lawn mower!

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This worked just fine in getting my car with a totally dead battery started. Had to get the jump starter charged overnight first.

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The jump starter works as advertised and as expected. Seems to be of good quality and has helped on one occasion so far. Too early to determine how long battery charge lasts. Looking forward to long term satisfaction and usage.