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Electronics Repair (sci.electronics.repair) Discussion of repairing electronic equipment. Topics include requests for assistance, where to obtain servicing information and parts, techniques for diagnosis and repair, and annecdotes about success, failures and problems. |
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Hi,
In an attempt to restore a pair of sulphatated Trojan T105 batteries I ordered a desulphator kit, soldered it together and hooked it up to the batteries. After it had been pulsing for a week and a half, the batteries needed to be recharged (the pulser is powered by the batteries). I connected my nice CTEK 15 A charger WITH THE PULSER STILL ATTACHED to the batteries. I'm afraid this was a mistake. In my understanding, the batteries should absorb the peaks produced by the pulser and not damage the charger. However, now it seems that my charger is only outputting 17.0 volts (always) and heavily overcharging any battery that I connect it to. The peaks from the pulser might have been higher than I thought. I opened the casing of the charger, but couldn't any component that looked fried. Can anyone tell me where to start looking for the defective component? It is quite a complicated microcontroller controlled charger, but I still have some hope that there is a single component that needs replacement for it to start functioning properly again. Many thanks, Joost |
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