Product Description:

No need to open your hood or leave your car! Now you can charge a dead vehicle battery through your 12V cigarette lighter receptacle. Simply connect 12V connectors between live and dead battery vehicle receptacles to quickly charge the discharged 12V vehicle. Charges a dead battery in about 30 minutes. Convenient cable storage within compact unit with carry handle. The cable length is 3 metres (approx. 10 feet).

My Take:

I don’t know how well this would actually work, but if it did work it would be a good idea. There is only one review so far for it and it’s not positive, but user reviews aren’t always the most reliable, so it’s hard to tell.

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