battery life changes, similar to answering machine thread

May 27, 2016 4 Replies

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Tim R 10 years ago

I've had a Nikon 400 laser rangefinder for a number of years now, probably

10 to 12, something like that. We use it infrequently for measuring dista nce - how far did that Frisbee throw or golf shot go, how far away is that building, etc. It's very useful for sports, none of us hunt any more.

Originally a battery lasted at least couple of years. CR2s are about $10 e ach, so that wasn't bad.

Now it's a couple of weeks. They seem to discharge when not being used. I s that characteristic of an older electronic device, that it may develop so me small leakage current over time. I can leave the battery out until I ne ed it, but I'm curious.

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Jon Elson 10 years ago

I have a digital caliper that uses an MS76 cell. Seems to have the same problem, battery used to last well over a year, now it lasts a few weeks, maybe. I just take it out when not in use.

Jon

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Cursitor Doom 10 years ago

It's certainly characteristic of batteries bought off Ebay or other dubious sources. Could that be your problem?

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Look165 10 years ago

You can find them (brand cells) at microbattery for $5 each !

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whit3rd 10 years ago

There are LR44 alkaline batteries,and silver batteries in the same size designated SR44. And there's a dozen or so pseudonyms for each of the types. MS76 is not in the short list here:

Most inexpensive calipers (mine, at least) that use these cells, are not ever truly turned OFF. Pulling the battery out during idle time is a good plan (until you damage the battery door).

To make matters worse, battery prices range from $5 to $0.05, and might not be indicative of quality.

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