Re: HP-41C battery contacts Message #2 Posted by Randy on 7 Oct 2005, 10:03 p.m., in response to message #1 by RicDng
You can test with any good, clean 4.5 to 5.5 volt dc source. Power consumption is approximately 5 ma in the active state, it varies by model. The center two connections are only a jumper, there is no connection to the 41.
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