Not really working. I know this article isn't meant to be a "starter," but it also won't charge a battery that can't hold a charge. This item is a DC car charger only and can only be used when your battery is dead to keep your headlights on. For any other purpose, this article will most likely never get your battery to the point where the green light comes on, indicating your dead machine is ready to go. Spend 40-50 dollars and buy yourself a good booster. That is not an answer.
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