this post was submitted on 21 Aug 2025
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[–] AI_toothbrush@lemmy.zip 8 points 4 hours ago (1 children)

Wouldnt that just translate back to it drawing 510ma of current? If you use 510mah in an hour that means you are drawing 510ma of current. That also means for all day battery life you would need a 8000mah battery at least which would make quite the chunky watch lol.

[–] ftbd@feddit.org 1 points 30 minutes ago

Yeah, this seems like a metric specifically chosen s.t. it makes intuitive sense to the average person AND it has a nice physical interpretation. Similar to how EU efficiency labels show power draw in W as kWh per 1000h of use

[–] Viking_Hippie@lemmy.dbzer0.com 10 points 8 hours ago

How many MPG per gallon does it get per mile, though?

[–] lividweasel@lemmy.world 21 points 10 hours ago (1 children)

“Honey, can you come down to the bank? I need you to put in your PIN number at the ATM machine, as ASAP as possible!”

[–] ChaoticNeutralCzech@feddit.org 4 points 7 hours ago (1 children)

No, there's no "per" in mAh.

[–] oerpi@discuss.tchncs.de 8 points 6 hours ago (1 children)

Of course there is, miliAmp per(e) hour,duh.

[–] ChaoticNeutralCzech@feddit.org 1 points 6 hours ago

You got me there. Congrats.

[–] zeropointone@lemmy.world 41 points 13 hours ago (1 children)

It's funny and painful at the same time. Like having sex with a BDSM clown.

[–] adarza@lemmy.ca 26 points 13 hours ago (1 children)

except there's no 'safe word' when you're dealing with the anal carnage from verizon.

[–] zeropointone@lemmy.world 11 points 13 hours ago (1 children)

There is. It's "Worcestershiresauce sauce".

[–] SpaceNoodle@lemmy.world 6 points 13 hours ago (1 children)

No, the safeword is "0.002 cents"

[–] zeropointone@lemmy.world 2 points 3 hours ago

That's the safe safeword.

[–] themaninblack@lemmy.world 3 points 8 hours ago* (last edited 8 hours ago) (3 children)

So this is 510 mA per hour, I guess. That or it just draws 510 mA continuously

[–] Naich@lemmings.world 8 points 6 hours ago

510mA per hour is nonsensical because A is an instantaneous measurement. 510 mAh/h is 510 mA. I guess you need a backpack to carry the battery around if you want the watch to last all day.

[–] Nikls94@lemmy.world 2 points 6 hours ago* (last edited 6 hours ago) (1 children)

The battery has the storage capacity to pass 510 mA in an hour. If you discharge at half the capacity of 255 mAh (0.5C) it will be empty after 2 hours.

If it was to draw 51 mAh (0.1C) it would last 10 hours.

But if it would draw 1020 mAh (2C) it would only last 30 minutes

[–] themaninblack@lemmy.world 1 points 5 minutes ago

This is the winning response I think.

[–] ChaoticNeutralCzech@feddit.org 1 points 7 hours ago (1 children)

Not really, it makes sense to give a max current. If a car's top speed is listed as 200 km per hour, it does not mean that it goes this fast continuously.

[–] themaninblack@lemmy.world 1 points 7 hours ago (1 children)

I get this is a battery but the units don’t make sense unless it’s going at 100% all the time

[–] ChaoticNeutralCzech@feddit.org 1 points 6 hours ago (1 children)

Really? I have a camera that is rated "3.7 V, 2 A" but only draws that amount from the battery when the flash capacitor is recharging. Yes, the normal current draw would be more helpful, and in case of a watch, the standby current.

This may be the charging current but it would be pretty unusual to pick a value slightly above what legacy USB can deliver (500 mA).

[–] Quatlicopatlix@feddit.org 1 points 23 minutes ago

The max rating is important so your powersupply/battery can be sized accordingly. No powersupply can provide a abitrary current at their rated voltage.

[–] xia@lemmy.sdf.org 10 points 12 hours ago* (last edited 12 hours ago) (1 children)

Give 'em a break, I'm sure it's just their first error with units. (Procedes to google "verizon dollars and cents")

[–] Zachariah@lemmy.world 5 points 12 hours ago (1 children)
[–] xia@lemmy.sdf.org 8 points 12 hours ago
[–] paequ2@lemmy.today 7 points 13 hours ago (1 children)
[–] TropicalDingdong@lemmy.world 8 points 13 hours ago (2 children)

Furlongs per fortnight.

And an IRL one I encountered, and some one straight facedly expected me to do scientific research in this unit: The Miner's Inch.

Furlongs per fortnite, but its talking about the file size of the uncompiled source code of the current version.

[–] Ilovethebomb@sh.itjust.works 4 points 11 hours ago (1 children)

Acre-feet as a unit of volume is one I've heard before.

Absolutely cursed unit.

[–] bear@lemmy.blahaj.zone 4 points 11 hours ago (2 children)

Seems like a useful unit for measuring irrigation water.

[–] TropicalDingdong@lemmy.world 1 points 10 hours ago

Its usually on the purchasing side, and yeah, from that perspective it makes sense, especially in deficit irrigation scenarios.

I take far less issue with acre feet than I do with the miner's inch.

[–] lectricleopard@lemmy.world 1 points 11 hours ago (1 children)
[–] TropicalDingdong@lemmy.world 1 points 10 hours ago

Or bullshit.

[–] hoshikarakitaridia@lemmy.world 1 points 10 hours ago* (last edited 2 hours ago) (2 children)

mA / h / h => mAh / h^2^

That's one hell of a measurement unit.

Edith: apparently I'm an idiot

[–] Revan343@lemmy.ca 13 points 9 hours ago (1 children)
[–] hoshikarakitaridia@lemmy.world 3 points 2 hours ago

So it would be

mAh / h => mA

Then?

[–] LodeMike@lemmy.today 2 points 11 hours ago

Bros time traveling