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Originally Posted by dparker
I wish I could pull out a fuse and charge it, but my car's an early model and doesn't have that option. I have to either figure out a charge via the lighter, or manually get the hood open, which I suspect is better left to the dealer.
Anyone tried trickle-charging a battery via the lighter plug?
DParker
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No, but I did try the booster through the lighter plug (the Black & Decker). Here's what I found: Within seconds after the booster was turned on and showed it was charging, the device would then start beeping indicating that it could no longer charge. I tried numerous times (the plug doesn't really fit the Porsche recepticle that well and with differing ignition positions. As best I can tell, once a certain amount of power was present in the car, the car "turned off" or disallowed the lighter plug. However, with the door open I was able to plug it in, turn it on, and un-pop my hood. From there I just removed and replaced the battery ($50.00 at Sam's Club).