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Thread: Deltrans Battery Tender

  1. #1
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    Sep 2003

    Deltrans Battery Tender

    Bit of a long shot but lets give it a go, I have a Deltrans Battery Tender , the model that can handle 4 batteries at a time , they are not a cheap option as they now run at over £250 a pop to replace .

    The unit has a 10 years warranty which is past by a year or so and has started to play up (all of the banks did not fail together but over the space of a couple of months) , it is getting power into the unit , however , none of the banks are charging or illuminating the leds on the front of the charger.

    A quick look inside shows that the individual circuit boards that serve each of the banks are again recieving power ,I can only assume that a relatively simple electronic component has failed on each of the boards .

    Anyone recommend a suitable electronics techie that can inspect the unit to see if it is worth repairing. Loathed to chuck something that might not be working due to some 25p components failing
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  2. #2
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    Jul 2004
    Nantwich, Cheshire, England, EU
    Maybe it is not converting an AC input power source to the D.C. output side.
    Use a mini ohmmeter to check which diode has gone. Could be the rectifier.
    As you say, they did not go all at once so, I reckon it will be the same diode for all.

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