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HP 67 Battery charger not working - any alternatives
04-07-2021, 07:15 PM
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dbhp67 Offline
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HP 67 Battery charger not working - any alternatives
Hi,

I have a non working 67 charger, not sure when it stopped working but now I cant charge the batteries! I do have the external battery holder to use and to avoid any risk to the calculator.

Apart from getting a new charger, what options are there to make up a charger that could be used with the external holder to charge the batteries? Has anyone done this, or maybe used a USB cable with a custom cable to connect to the batteries directly?

Short of that what are the options for determining what's wrong with the charger. I am not experienced at electrical repairs, but I can check voltages etc. I also noticed on the US spec charger I have that there is a slider type switch which seems to indicate it can operate at either US spec (110v) or European voltage.

Any advice would be welcomed!

dbhp67
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HP 67 Battery charger not working - any alternatives - dbhp67 - 04-07-2021 07:15 PM



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