Peak PKC0AO 300 Amp Jump Starter

• Exclusive Low Charge Alert (LCA) Alarm signals owner when jumper needs charging
• High impact resistant housing with rubberized sure-grip bottom and handle
• Reverse polarity LED and alarm
• 5 LED battery power indicator
• This item is not for sale in Catalina Island

This charger works exactly as designed. It's an incredibly compact unit, and it has built-in cables which can be wrapped right onto the chassis, which saves an incredible amount of space and makes it very easy to carry/move/store.

I had a riding lawnmower that was draining batteries and constandly needed to be jumped off of my truck battery, which was incredibly cumbersome. Carrying this starter out to the lawnmower, jumping it, and then mowing the lawn was 100 times easier than backing out my truck, popping the hood, untangling the cables, pulling the mower out in front of the truck, and then jump-starting it. I've since repaired the lawnmower, but am keeping this handy little charger around for my wife's car, just in case she needs it. It barely takews up any room at all, and it holds quite a charge. I've jump-started my riding lawnmower twice and the battery indicator didn't even drop (I would imagine a car would take a much higher charge and therefore drain the battery more), but it still shows how much this charger is capable of holding.

If you're looking for a portable jump-starter, this is the one for you.

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My Mazda3 would not start, battery cells dried out or just getting old.

Had to call AAA twice and at the same time ordered this unit.

Sure enough, battery weak again, car would not start, a fully charged up Peak to the rescue, INSTANT success.

Drove the car on the highway for a while and it now seems OK.

With the Peak in the back, no longer a need to worry about getting stuck or calling AAA.

Its best features:

low cost

small size

recharges in home via AC or in car via DC, all cables included.

Two things to pay attention to:

When charging (and this is true of any such unit) make SURE ground is NOT touching painted surface, it MUST make contact with raw metal.

If ground is touching a painted surface, the units contact indicator can give a false reading of contact.

Use the battery terminal ground at your own risk, if you do so for whatever reason, be sure there is NO fluid or fumes coming from battery.

The built-in indicator showing the units strength must be used when unit is ACTUALLY charging, otherwise false reading may occur.

Highly recommended!

Read Best Reviews of Peak PKC0AO 300 Amp Jump Starter Here

I have an remote starter on my car and after work I figured I'll start my car as I walk to it. The car didn't start but the headlights were on. I went inside the car and tried to start it with the key and nada. No noise or anything. My automatic starter must've glitched. I kept trying to turn the key to start my car in hopes by magic it'll turn over. NO luck. I stopped to think for a second and then figured I'll put the car in valet mode (it's for the auto starter) to see if I could bypass the remote starter. I did and nothing. My last option was to see if i killed the battery by trying to start it so many times. I took this out of my trunk that hasn't been charged in 4 months and connected the red to the red battery terminal and the black to a nut some where on the engine. The green light turned on telling me I had a correct circuit. I then turned the knob to power on the jumper. I ran to the driver's seat and tried to start it. A sign of life! It's trying to turn over. I counted to 4 and then tried it a second time and it turned right on. The scream i let out could have been heard in China (where it was most likely made). I can't tell you how awesome this unit is. I used it several times for my DC accessories and it last a very long time. This product has yet to disappoint me. 5 STARS! Thanks for reading.

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I suggest anyone owning or considering buying this product read the post by Robert on 11/28/2010, esp. this part:

"The built-in indicator showing the units strength must be used when unit is ACTUALLY charging, otherwise false reading may occur."

I can confirm that to be true. The indicator may show the unit at full strength when it is actually 50% discharged. It appears that you only get a true indication when it is charging that is not made clear in the manual.

I tested the amperage on the AC charger and got a reading of about 150 ma. At that rate it would take about 27 hours to re-charge the unit's 8 ah battery if it were 50% discharged. So if you use this as a 12 volt power source, you may need to charge it a while to get it fully recharged.

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My car battery was discharged due to the frigid East coast weather and a week of no movement.

After this jump starter was completely charged I followed the instructions and the car started flawlessly.

Faster and safer than the traditional car to car jump start, gotta have one.