How to repair a dead battery charger
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Uploader Comments (lectricgenius)
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All Comments (32)
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aww look at the dog dingaling
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@lectricgenius Ahhh, thanks.
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@juniortore1 They weren't so much of a dead short as it was an "open circuit".
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I have a car battery charger rated for 15 amps, and I was only drawing about 2 amps form it and then BZZZZZ and my lights dim. I took it apart, and plugged it back in for a few seconds, unplugged, and felt the diodes, they were hot as hell. The meter doesn't move, but I know the diodes are shorting as they come before the meter. I was wondering, when your diodes died, did they just turn into a direct short? I need to fix this before my dad gets a little unhappy *to say the least*
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what are those components you used?
moi04ful 11 months ago
@moi04ful They were diodes out of an industrial power supply.
lectricgenius 11 months ago
Hi lectricgenius I enjoyed that video a lot as I have a $200, 30 amp charger that charges for a few seconds and then shuts off. I'm not bright with electrons but I notice things are hot in there and no fuses have blown what should I replace? Any help would be greatly appreciated thanks.
bushengineer1 1 year ago
@bushengineer1 It is hard as hell for me to diagnose stuff without having it in front of me. As far as what you should replace its impossible for me to tell you and be right
lectricgenius 1 year ago
good job man/ just wondering I have a similar charger with the dial selector broken which selects between trickle /medium and high as well as boost, what type of switch or dial should I replace it with? all help would be greatly appreciated.
quickoneeh 1 year ago
@quickoneeh I would need to see a picture of it (or a wiring diagram) to know exactly what you have.
lectricgenius 1 year ago