Wagan EA2045 SelfCharge Auto Jumper In-Car Jumpstarter

• Plugs into lighter socket and in 10 minutes, its ready to go
• Powerful sealed alkaline battery inside has the power (5 amps, 14.5 volts) to start the vehicle
• Recharge your car battery through the cigarette lighter while driving for 30-120 mintues or with the available AC adapter
• Unaffected by extreme weather conditions
• Built-in trickle charge protection

The product description above is very misleading, because it suggests that this product can replace a jump-start. My battery went dead today, and I used this to charge it for many hours. All it managed to do was light up my dashboard clock.

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Description doesn't provide this device's capacity.

Just says 5Amps. I found that this battery has 1.5Ah (Amp*hour)

Compare with your car battery 75Ah capacity and top current of

150Amp and you'd see that only by miracle it can recharge your

car's battery or help you jump-start.

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Wish I had found these reviews before purchasing this product. This will NOT jump start a dead car battery.

Is there product that does what this promises i.e., jump start a dead car battery without 1)another car and 2)going under the hood?

Please let me know as I've wasted too much time, money and safety on products that don't work (including this one).

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To start a car, you need high current that a car battery provides, either from your own or a donor car's.

This device can't provide enough current to start your car. What it can do is to slowly charge your car battery and let it store enough power to give high current for a second.

Apparently, if your car battery can't hold the charge, it wouldn't work; if it's very weak, it takes longer to charge. And if you try to turn on the engine before the car battery is ready, you've just wasted all the juice from the jumper to the car battery, and may well blow any chance for this thing to work.

There's nothing on the market that you can plug into the cigarette light socket and start the car instantly. Even if the jumper has another car battery in it, the socket can NOT carry that much current.

For the convenience, size and independence of a good Samaritan, this is as good as it can get.

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No stars for this product even though the stupid Amazon reveiw site made me give it one. This product is a waste of money, don't buy it!

You will be sorry.