RoadPro RPAT-774 Rechargeable Emergency System with 12V Power Port and Air Compressor

• Jumpstart with 300 cold cranking Amps
• Reverse polarity indicator ensures correct hook-up
• 260 PSI air compressor
• Includes AC and DC charging adapters and inflator nozzles
• High-impact rubberized housing for safe, secure, grip

I am so pleased with this item I am grinning. I have had two other portable battery charger/air pumps in the past and within six months they both became useless because their internal battery would not take a charge. These not only charge up fine but hold their charge riding around in the trunk or the car for months. I use them for pumping up bicycle tires and have jump-started three different vehicles using the item. I like it.

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I've never been really happy with this unit from the very start. Inflating car tires is extremely slow, slower than my manual pump. It can handle high pressures but not because it is strong but because it does not push much air through. For bicycle racing tubes of 90+ psi it really struggled too. The only time I used the jump start function it failed. Soon after one of the clamps broke. And couple days back, the motor burned out while pumping the first of four car tires. Two instead of 1 star really just because it survived 4 years of very light use and the price was not bad. I am going for a pricier studier unit next time.

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I've also carried this around in my trunk for several months. When I needed it, it still had a charge. I really like knowing I can air up a car tire if necessary as well. Plus, there are boat towables, air mattresses, etc., that it will come in handy for. Since it's portable, I can also take it down to the boat if needed.

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I haven't used this device to jump-start a car, but I have used the air compressor to fill my car tires. Here was the result: 1) the hose is only about 12" long, so if the tire stem(s) on your car is near the top of the wheel when you park, the hose won't reach without setting the compressor on a block. (I used a gallon paint can). The other options for this issue are a) move your car to reposition the stem(s) or b) hand lift/support the compressor while it's in operation. 2) seating the hose valve onto the tire stem wasn't too bad, but once each tire was inflated, removing the hose from the tire stems was a chore & required both hands. 3) the air compressor is pretty loud, which isn't that big of a deal, but the unit really vibrates & will 'walk' unless you anchor it with your foot or hand while it's running. If you don't, you risk damaging the hose connection or possibly even your tire stem. Summing up; the RoadPro air compressor does work, but it's not exactly an elegant piece of equipment. **REVIEW UPDATE** My original review pertained to the pump component of the RoadPro only. This update includes the jump-start component. I recently went out to my car to be greeted by a completely discharged battery. I hadn't re-charged the RoadPro since purchasing it over 2 months ago, but the manufacturer claims it will hold a charge, without use, for 2 months. So I hooked it up & turned the key. THE RESULT: the charger worked like a champ & the car's motor started on the first try. Therefore, I'd say the RoadPro deserves 5 stars for jump-starting and 3 stars for pumping air, or, 4 stars on average. Plus, it fits pretty well in the rear foot-well of my car where it won't be tempted to roll around. The RoadPro is definitely looking like a keeper!

What I was planning to do with it:

Jump start a small vehicle (900cc motorcycle)

Inflate vehicle tires

After five months of use:

Jump starting a vehicle: Poor. No go. Power was enough to slow crank the engine, but couldn't get it started. This was a mid-sized motorcycle, 900cc, with 12V battery. Emergency charger dropped about three inches and the clamp broke (see construction).

Tire inflator: About average speed and noise for battery operated inflators.

I have no real complaints about itIt did it's job.

Construction: Poor. The battery casing itself seems sturdy enough with for the price paid. However the jumper cable clamps are not well designed or constructed. Clamps are a cheaply molded plastic with riveted copper teeth. In more expensive sets, copper clamps are covered with insulation, though not in this case. In other words, this is not designed to last very long.

Overall: If you're looking for something that will last you more than a year to eighteen months, find something else.