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Showing content with the highest reputation on 02/07/2021 in all areas
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Adding three more picture...3 points
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That is why I have bought a charger which has two USB connectors: - One for Quick Charge compatibility - Another one which only supports 5V 1A I use the latter to charge my phone and it can charge it in a reasonably fast rate which allows me to plug it to charger for evening and have it charged in the morning (after a few hours it is done). The other port still makes possible to use fast charging when I may need it (if the phone is depleted in the morning as I may have not connected it in time). Also, I have a QC compatible charger in my car in case of "emergency", so I may cha3 points
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While I am no expert in Li-ion batteries, restricting the discussion to the question what is the maximum "healthy" charge of the battery seems like over-simplifying the problem to me. Indeed, it seems evident that consistently keeping the charge of a battery close to some intermediate fraction (around 50%) of its nominal capacity does slow down degradation of that nominal capacity. See e.g. Grolleau et al. (2013) [doi: 10.3390/wevj6030549]. However, the downside of that strategy is just as obvious: this way, you will never take advantage of the full capacity in the first place! Essentiall3 points
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Hi there, I am selling my Pro1 with QWERTZ keyboard layout. Why am I selling it? Well, I figured that I like better keyboards like the one I used before & to which I will go back again - from a Blackberry Key One. I can simply use it better than the Pro1, which is why I scarcely used the keyboard of the Pro1 - way lesser than I did with the Key One... 😞 I am feeling really sad selling it - because I want keyboard phones , and want to support any producer who is so brave, and I was starving for a bit more than a year when I got it in August 2020! However, it is now up for sale.2 points
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Yes, as I wrote (and never disputed), it is well-known that not using a battery to its full cell capacity saves lifetime. Also, please do not get me wrong: feel free to experiment with your devices as much as you want. Limiting the maximum charge will probably never hurt anything. That said, let me add that I believe the Pro1's battery management system already limits the maximum charge to 90% nominal cell capacity anyway. The Pro1 spec sheet advertises a battery capacity of "3200 mAh", which likely corresponds to the maximum cell capacity that could theoretically be used. However, t2 points
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Figure three of the paper from Grolleau et al. you are citing actually strongly supports the idea of not charging the battery fully. Scenario 1: Lot of charging cycles to 100% lead to fast degradation Scenario 2: Reducing the number of cycles by using the battery until lower percentage and only then recharging still lets the battery age slightly faster than at static storage conditions (at 100%) Scenario 3: Same number of charging cycles as in Scenario 1, but keeping the battery at 20-60%: Slightly improves battery life compared to the static storage. So you were kinda righ2 points
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New build is up. Build date is today, 2021/02/06. It is available via OTA (settings -> aicp -> updates) or direct download. Changes are virtually all security/bugfix updates, updates to the adblock hosts file, and language translation updates.2 points
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Did not read all the latest activity here, but generally keeping a battery in good condition is a bit of a science. If you turn off a phone, so only the circuit waiting for a power-button press is active, a phone can last for ages. It is not unusual that it is still well above 90% after half a year. So if that is what is meant by "kept at 100%", it is clearly harmless. But if it is plugged in and applied a high voltage constant trying to pull it up, it is not a good idea. So if kept plugged in it is clearly a good idea to stop at roughly 80-90%, as it is the last part that is hardest,1 point
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Turns out you are right: now, at 85% charge level, upower already reports 4.13 V battery voltage. With the above 12.6632 Wh this would already correspond to 3066 mAh design charge. I'll keep monitoring the reported voltage as it discharges, and will calculate some approximate average. I can now easily imagine that we end up very close to the expected 3200 mAh.1 point
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I originally got the compact bluetooth trackpoint keyboard from lenovo, but it was awful. The chiclet keys were terrible, and the layout was so cramped I could barely type properly. I would love a 55Y903 with bluetooth; I don't know why lenovo doesn't release one like that. Btw does that keyboard you have use chiclet keys or rubber dome? Does it have any tactile response when you press a key? The tex shinobi feels great, but it's pretty heavy; I'd like something a little lighter, so it's easier to carry in my bag. I had blue mx switches for typing, but switched to silent red since it's a1 point
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I'd just use the Code button (between the Quote button and the Smiley button) with the "no syntax highlighting" option 😉1 point
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Ah, yeah, sorry. Slightly misunderstood your post. Now that I read it again I understand what you meant. On your recent post: I'm not entirely sure if you can calculate like this, as the voltage provided by the cell significantly lowers on low charge levels. Wouldn't you have to insert some mean value for the voltage? Something around 3.9V would lead to the advertised 3200mAh. I think that's another example why using Wh would just be superior to using Ah (also for comparison of the batteries of devices running on different voltage).1 point
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Obviously a charge limit option then is not for you... My usage is completely different; my phone is within reach of some charging device most of the time every day, and usually stays connected to one as long as I'm in the office (whether it's the real office or, like most of these days, home office...). When I need or want to go out for an unclear amount of time, I can make an exception and up the charge from 75% or 80% (and I wouldn't set the charge limit below that) to 100% within no more than five minutes or so when quick charging (which I normally never do), potentially even in1 point
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So it was not the known display tint issue, but specifically your video being green and the rest being displayed normally?1 point
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TEX Shinobi, respect. I should get one of those at some point. Though my older Thinkpad keyboards are still going strong. How is it like? I would not know what kind of switches I should get either.1 point
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I had the gemini pda and the cosmo communicator before I got the pro1. I considered pre-ordering the astro slide, but decided against it for 3 reasons. 1. The keyboard is too big for thumb typing and yet too small to be able to touch type in a way that's comfortable for long periods of time. If I'm actually going to sit down at a table and touch type, I'd rather use a full sized keyboard. 2. The astro slide keyboard doesn't have as many keys as the pro1 and the layout isn't ideal either. I want to run emacs+vim and they use a lot of specialized keybindings, so I want1 point
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I was looking to buy one second hand, but now I'm not so sure. I don't plan to use it as a primary device and it will be only for testing. Reading this thread there seems to be some of those floating around, but the price is just too high considering that I could get a new one for 470 pounds (that's 20 pounds more than second hand for a new device ) I'm sorry ppl that are trying to sell are fundamentally competing with the indiegogo campaign. Perhaps after it will be easier.1 point
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Thanks! it downloaded and installed smoothly (flashing).😎 Please also update the "Current build: 2020-11-02" in the OP. 😉 Add: And for those wondering it is on the January 05 Security update.1 point
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https://download.lineage.microg.org/pro1/ ? Note that I have never used the MicroG-Port of LineageOS, so I cannot help further if you run into troubles ...1 point
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Yeah would hope so. As I can't see a reason otherwise for it. I suspect the battery size is due to the slider mechanism not leaving room for something bigger.1 point
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1 point
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I have a Microsoft sculpt keyboard at the second office and honestly I mostly use it 'cause it looks cool, very ergonomic once you get used to it, but I wouldn't want to type on something like that with only my thumbs. :)) It's already a pain for me that on the Pro1 I haven't got shift and fn lock and I have to track if I should press right or left shift and fn keys depending on what key I want them applied to, further segmenting the right and left hemispheres of the keyboard would almost be a deal-breaker for me, but that's just my personal prefference. What I would really lik1 point
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1 point
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I'm all for it. Any company that is willing to develop smartphones with QWERTY keyboards gets my support (not necessarily financially). Not too sure about the name though. It's only one letter away from https://astroglide.com/products1 point
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0 points