AssholeDesign

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This is a community for designs specifically crafted to make the experience worse for the user. This can be due to greed, apathy, laziness or just downright scumbaggery.

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Soldered-on RTC batteries (with type covered as a bonus) (i.imgur.com)

submitted 6 months ago by [email protected] to c/[email protected]

29 comments fedilink hide all child comments

This battery lasts the life of the router under the operating environmental conditions specified for the router, and is not field-replaceable.

But who determines its lifespan?

Knowing there is a battery set to fail and I can't simply replace it makes me physically uncomfortable. Enough so that I'd rather it not have RTC.

Thanks Cisco.

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[–] [email protected] 52 points 6 months ago (2 children)

(with type covered as a bonus)

Relevant fact: Most standard non-letter batteries are named after their physical size, for example a CR2032 is 20mm diameter x 3.2mm height; or not a button battery, but an 18650 is 18mm diameter x 65.0mm height.

[–] [email protected] 9 points 6 months ago (1 children)

Nice! Do the Letters mean anything?

[–] [email protected] 21 points 6 months ago

Generally the chemistry and any features of the battery.

https://wikipedia.org/wiki/Button_cell#Type_designation

C means Lithium. The R means Round.

The IS IEC spec that defines the coding is 60086-3