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T845 General

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Chattin' bout Linux on Snapdragon 845+ devices39 Servers

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30 Nov 2023
@telegram_211962460:t2bot.ioJoaoI would be keeping the phone plugged in to a charger or a usb-c hub with an Ethernet port and a zigbee dongle or the usb port of an old router11:57:04
@malte:hklas.demalteLithium batteries don't like being charged to 100% all the time, and they also don't like heat... best case, it will age faster, worst case, it might swell or break12:24:21
@malte:hklas.demalteAs a stopgap, I think the hardware supports charge limits, I'd at least set those to ~50% or so12:24:54
@telegram_211962460:t2bot.ioJoaoActually I've been meaning to ask about inhibiting charging, I have a powerbank case on my OP6 and I'd imagine keeping the built in battery at 100% all the time is not good for it13:17:12
@telegram_211962460:t2bot.ioJoaoAre the charge limits available through /sys/class/power_supply ?13:20:28
@_discord_229355438301380610:t2bot.iocaleb @Joao not really, you can set the CURRENT_NOW to 0 which should stop charging, but I haven't implemented support for limiting the max charge explicitly 14:05:13
@telegram_746644069:t2bot.ioNeil changed their profile picture.14:19:11
@telegram_211962460:t2bot.ioJoaoslightly related follow up, would the phone be able to power just from USB, with no battery?15:19:36
@_discord_185316010474078208:t2bot.iodanct12 yooooooooooooooooo caleb 15:24:33
@klrtk:fawx.newsklrtk ⎇
In reply to@malte:hklas.de
Lithium batteries don't like being charged to 100% all the time, and they also don't like heat... best case, it will age faster, worst case, it might swell or break
mine did :3
15:27:02
@klrtk:fawx.newsklrtk ⎇I had to resort to supplying power directly15:27:51
@klrtk:fawx.newsklrtk ⎇
In reply to@telegram_211962460:t2bot.io
slightly related follow up, would the phone be able to power just from USB, with no battery?
probably not
15:29:16
@klrtk:fawx.newsklrtk ⎇I had to solder wires to the old battery protection board on my Poco F115:29:56
@_discord_477196815968501797:t2bot.ioduckyondcPXL_20231129_180643925.png
Download PXL_20231129_180643925.png
15:30:10
@_discord_477196815968501797:t2bot.ioduckyondc I did this nightmare but it's an older phone 15:30:11
@_discord_477196815968501797:t2bot.ioduckyondc that works btw 15:30:11
@_discord_477196815968501797:t2bot.ioduckyondc but it already had a removable battery to begin with 15:30:17
@_discord_477196815968501797:t2bot.ioduckyondc so that made my job easier 15:30:19
@klrtk:fawx.newsklrtk ⎇and even then it took me a few tries to get it to not crash because of voltage drops15:31:03
@malte:hklas.demalte
In reply to @klrtk:fawx.news
I had to solder wires to the old battery protection board on my Poco F1
Same, I did this to an old phone I use as a tan generator for online banking
15:31:26
@malte:hklas.demalteIt helps to put a big capacitor close to the "battery" 15:31:47
@malte:hklas.demalteBut the soldering is ugly15:31:54
@klrtk:fawx.newsklrtk ⎇
In reply to@klrtk:fawx.news
and even then it took me a few tries to get it to not crash because of voltage drops
I had to up the voltage a bit to 4.5V, but couldn't go straight to 5V because the protection board didn't like it (that's another pitfall, you might need to drop the voltage)
15:32:47
@klrtk:fawx.newsklrtk ⎇I should actually add a capacitor there since it still crashes under some circumstances, but I'm lazy15:33:38
@malte:hklas.demalteI put a large diode in series with the 5V, that drops it to ~4.4 or so15:35:19
@klrtk:fawx.newsklrtk ⎇same15:43:14
@telegram_211962460:t2bot.ioJoaolike, is there a compatible(ish) battery? (I don't care if the phone ends up with a humpback, I feel like it's unnaturally thin anyway15:46:21
@telegram_211962460:t2bot.ioJoaoon a related subject, would it be possible to print a backplate for the op6 and get a larger battery?15:45:37
1 Dec 2023
@telegram_339624693:t2bot.ioMalteWell... Since you are printing a new backplate anyway, you could put two 18650 in parallel in there..00:04:45
@telegram_5934191925:t2bot.ioPan joined the room.20:36:02

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