battery life changes, similar to answering machine thread
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 distance - 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 each, so that wasn't bad. Now it's a couple of weeks. They seem to discharge when not being used. Is that characteristic of an older electronic device, that it may develop some small leakage current over time. I can leave the battery out until I need it, but I'm curious. |
battery life changes, similar to answering machine thread
Tim R wrote:
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 distance - 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 each, so that wasn't bad. Now it's a couple of weeks. They seem to discharge when not being used. Is that characteristic of an older electronic device, that it may develop some small leakage current over time. I can leave the battery out until I need it, but I'm curious. 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 |
battery life changes, similar to answering machine thread
On Fri, 27 May 2016 06:53:38 -0700, Tim R wrote:
Originally a battery lasted at least couple of years. CR2s are about $10 each, so that wasn't bad. Now it's a couple of weeks. They seem to discharge when not being used. Is that characteristic of an older electronic device, that it may develop some small leakage current over time. I can leave the battery out until I need it, but I'm curious. It's certainly characteristic of batteries bought off Ebay or other dubious sources. Could that be your problem? |
battery life changes, similar to answering machine thread
You can find them (brand cells) at microbattery for $5 each !
Tim R a écrit : |
battery life changes, similar to answering machine thread
On Friday, May 27, 2016 at 2:59:25 PM UTC-7, Jon Elson wrote:
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. 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 he https://en.wikipedia.org/wiki/LR44_battery 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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