# Can calculator batteries last for 30+ years?

**URL:** <https://boards.straightdope.com/t/can-calculator-batteries-last-for-30-years/984535>\
**Category:** Factual Questions\
**Created:** [May 24, 2023, 9:19pm UTC](https://boards.straightdope.com/t/can-calculator-batteries-last-for-30-years/984535 "2023-05-24T21:19:37Z")\
**Posts on this page:** 1\
**Showing post:** 11

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**Author:** ![DavidNRockies](https://sea3.discourse-cdn.com/straightdope/user_avatar/boards.straightdope.com/davidnrockies/32/6279_2.png) [@DavidNRockies](https://boards.straightdope.com/u/DavidNRockies)\
**Post date:** [May 25, 2023, 8:15pm UTC](https://boards.straightdope.com/t/can-calculator-batteries-last-for-30-years/984535/11 "2023-05-25T20:15:04Z")

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Just an FYI … because I think these stories are quite cool:

> [@EPIC battery life - any similar stories?](https://boards.straightdope.com/t/epic-battery-life-any-similar-stories/924497):
>
> I have the exact same digital multimeter that’s pictured at the bottom of this photo: [[image] ](https://lh3.googleusercontent.com/-2jVyH59TbWk/VpheT_3vQ7I/AAAAAAAAIiw/vwdZOPT4mVg/s640-Ic42/P1143885a.jpg) I’m sure I’ve had it for 20 years. I’m just about sure I’ve had it for 25. And I’ve never changed the battery. It sat in a small tool kit for the last ten years … a kit that used to live in an old car of mine, and that I left at my brother’s house and forgot about. My wife was visiting my brother and his family over the weekend, and – having inexplicably suddenly…

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