[Q] Lumia 800 - can I connect it directly to a powersupply? - Nokia Lumia 800

I have a problem with a Lumia 800 - I think it's a deep discharge problem. The battery doesn't charge, but phone does get warm while charging. When I do a soft reset it vibrates - and a few seconds later vibrates a 2nd time (I guess to signal power off). There is no display at all. When I connect to a PC it sometimes reports a HID device - for a about 2-3 Seconds - then it's again dead.
Now my question: can I take out the battery and directly connect 3.8V to the phone? I have a powersupply and multimeter at hand at hand. My options are:
1. - Connect 3.8V with a lab-powersupply to the phone and install the latest software updates
2. - Find another phone with 3.8V Lithium cell and charge the battery with that charger. (I also got a IMAX B6 LiPo/Li-ion charger used for models )
Option 2 feels more comfortable. If a voltage pins slips off while installing the software I may brick the phone.
Any comments? Or any other method to get out of the deep discharge loop?

minidisco said:
I have a problem with a Lumia 800 - I think it's a deep discharge problem. The battery doesn't charge, but phone does get warm while charging. When I do a soft reset it vibrates - and a few seconds later vibrates a 2nd time (I guess to signal power off). There is no display at all. When I connect to a PC it sometimes reports a HID device - for a about 2-3 Seconds - then it's again dead.
Now my question: can I take out the battery and directly connect 3.8V to the phone? I have a powersupply and multimeter at hand at hand. My options are:
1. - Connect 3.8V with a lab-powersupply to the phone and install the latest software updates
2. - Find another phone with 3.8V Lithium cell and charge the battery with that charger. (I also got a IMAX B6 LiPo/Li-ion charger used for models )
Option 2 feels more comfortable. If a voltage pins slips off while installing the software I may brick the phone.
Any comments? Or any other method to get out of the deep discharge loop?
Click to expand...
Click to collapse
Can you disassembly phone, remove battery from phone and charge it with external powersupply. I used this method because mine motherboard haven't connector microusb for charger battery and this method work.
My external usb charger is 5v @ 2 Ah. if you wont disassembly the phone, you can use a other powersupply with more Ah because nokia is 700-800mAh

Related

[Q] My GS2 won't turn on

It was working fine before I went to bed last night, then I let it charge for the night since that battery was at about 4%, But this morning it won't turn on at all. The battery feels warm as if its been charging but nothing seems to be making it turn on. Any ideas?
re: No Poweron
labou_7 said:
It was working fine before I went to bed last night, then I let it charge for the night since that battery was at about 4%, But this morning it won't turn on at all. The battery feels warm as if its been charging but nothing seems to be making turn on. Any ideas?
Click to expand...
Click to collapse
If it was my phone here is what I would do.
First I would see if the phone charges the battery by putting the battery into
the phone and plug the usb cable from phone into the wall charger or into
the computer.
If the display on phone shows a picture of a battery charging let it charge
for an hour more or less and try turning on the phone.
If the phone is not charging the battery I would purchase a cheapy battery
charger and battery combo on eBay.
You can find this combo on eBay for less than $8 bucks shipped for both the battery and charger:
http://www.ebay.com/itm/1800m-BATTE...045605?pt=PDA_Accessories&hash=item43aa9a4465
(even if you decide to return and exchange the phone its still a good thing to have a spare battery and charger)
Check it out.
Good Luck!
labou_7 said:
It was working fine before I went to bed last night, then I let it charge for the night since that battery was at about 4%, But this morning it won't turn on at all. The battery feels warm as if its been charging but nothing seems to be making it turn on. Any ideas?
Click to expand...
Click to collapse
are you on cm7? not sure about the s2 (never had the issue), but i know that on the infuse, there was a problem (or maybe it was intentional) with low power charging mode (phone wouldn't charge when off).
i think this can be solved by trying to charge the phone via your computer usb, as opposed to your OEM wall charger.
Thanks for the suggestion. It definitely isn't showing the picture of the battery when its plugged in to the wall or the computer. I'm debating the battery charger combo you linked.
I actually am. But I have it plugged to my computer and nothings changed.
Time for some trouble shooting.
Start eliminating possibilities. You need to determine where the problem is.
From what you say, it seems possible that the battery is completely discharged but not recharging. That could be a bad battery or it could be the phone.
If you know someone else with an SGS II, try inserting their battery temporarily to see if your phone will boot. If you don't know someone else, maybe you can borrow a charged battery from the store where you bought it.
Continue on until you pinpoint the problem.
Do NOT buy a "cheapie" battery for your SGS2. Unless you want to eisk causing damage. The stock battery for the SGS2 has NFC technology built into it. Using anything other than OEM could cause damage/performance issues to your phone, and void the warranty.
Sent from my SAMSUNG-SGH-I777 using XDA Premium App
Have goh tried a battery pull? Unplug the phone, pull the battery and let sit for a few minutes to allow tbe IC's to discharge. Put battery back in and try powering up the device. Good luck.
Sent from my SAMSUNG-SGH-I777 using XDA Premium App
Similar issue and got phone fixed finally
Have had similar issue as yours. Cable charger was plugged into the phone to be charged at night and was surprised to find that the phone became hot and battery was not charged at the next morning, in fact the battery level got lower than it was before charging.
Notes:
- ROM in use: AOCP version 7.2 (Android 4.4.2)
- Kernel in use: Version 3.0.101 [email protected] #3
Here are some tests done and the observations after getting a charger with a slot to place the removed battery for charging:
1. Charging via USB cable connected to PC:
- With the phone turned on, battery charging icon is only displayed after some wiggling at the charging port. The phone got charged further to 100% when the initial remaining battery level is 90%. However, when the initial battery level was less than 50%, the battery level continued dropping ALTHOUGH the battery charging icon was displayed.
- With the phone turned off, battery charging icon is only displayed after some wiggling at the charging port. When the initial battery level was less than 50%, the battery charging icon displayed only a battery level of 1% and the battery level did not increase at all after 15 minutes of charging.
Initially suspected that it was a dead battery issue and bought an i9100 battery, I thought it was a compatible battery at first. With the i9100 battery, I repeated the above tests.
2. Charging via USB cable connected to PC:
- With the phone turned on, battery charging icon is only displayed after some wiggling at the charging port. The phone got charged further to 100% when the initial remaining battery level is 90%. However, when the initial battery level was less than 50%, the battery level continued dropping ALTHOUGH the battery charging icon was displayed.
- With the phone turned off, battery charging icon is NOT displayed but the phone screen flashed continuously, and at times the phone is turned on automatically as the USB charging port is inserted. When the phone is turned on, the charging proceeded as the above sentence.
Upon searching the forum, I found that i777 has a different battery with NFC chip and i9100 battery has reported to cause issues during charging on i777 devices. There was also a Chinese forum which mentioned that the battery compatibility issues should have been overcome in ROM with Android version 4.0 and above.
I then bought a new i777 compatible battery and tested charging via USB cable. The observations are same as the first battery as at 1.
With the battery issues possibility eliminated, I approached a phone technician to examine the phone by telling him that the phone couldn't be charged and the battery level continued dropping even with the battery charging icon displayed. The phone technician then thought that the USB charging port to be the cause of the charging issue and replaced it. The replaced part is the small metal housing where the USB cable is inserted, and is replaced by heating the old metal housing and replacing it with new part by soldering.
The phone could be charged with USB cable as usual after the part replacement and all the batteries are found to be still working fine. Ended up with 2 i777 batteries and a i9100 battery, may be I could continue using this phone for at least another 5 years down the road.

Battery problem: Discharging while charging!

Okay so I've this problem where my battery discharges while charging!
I had this problem since wednesday that time I was on stock... So I thought flashing a custom ROM now as of now i'm on SonyStyle still the same problem,
let me elaborate my problem a bit more
-To monitor how much current is discharging n charging! -498 mA while discharging n -298 mA while charging it normally
-So next thing I tried is to charge it while being switched off, most of the times it wont charge n when it'll charge it'll reach some point n starts discharging! Discharging even when its off and plugged to the charger! BIZZARE isnt it?
-Now in order to put it on chrging i've to reboot it couple of times untill battery monitor widget shows +current... N when it reaches 100 it'll begin to discharge like it'll be empty in 1nhalf hour
-ALSO I'VE TURNED OFF ANYTHING THAT SUCKS BATTERY! AND I'M NOT USING MY DEVICE WHILE CHARGING! ALSO IT DISCHARGES WHILE BEING ON CHARGER IN A switched off state.
these things i've already tried
-Flashing custom ROM
-Putting my cell on powersave CPU governor
-undervolting
-charging using USB
-CUSTOMER CARE CENTRE only resets the software
I'M SO FRUSTRATED THAT I'LL BURN THIS CELL INTO ASHES! Anybody help me before I kill thislil fellow!
You might try resetting your battery stats on clockworkmod or xrecovery. Charge until 100% and let it discharge naturally to switch off, allow a few days of charge cycling and it should be ok.
Lipoly batteries dont trickle charge. If you leave your phone on charge for 8 hours it will just switch off the charger, discharge for awhile and then switch back on the charger. Most take 1 to 1.5 hours to charge, so if you leave it plugged in you will be charging/discharging about 6 times in that period. Lipoly have a limited number of charges before they diminish, usually about 500. So if you leave it plugged in you can reduce your battery life span considerably - otherwise it should last a good year and a half before it wears out.
Dont ever try to trickle charge, overcharge or manually discharge a lipoly battery as they have a tendancy to explode.
The good news is lipoly batteries are cheap to manufacture. You should be able to pick up a decent bst-38 (or substitute) on ebay/amazon for around 15-20 euros. Dont be hoodwinked into the 2000mAh batteries, most are fake. My 970mAh can last 2 days on Gintonic rom.
Sent from my U20i using Tapatalk
I had a similar problem with the battery discharging whilst charging.
For me the problem turned out to be my USB cable becoming faulty. It would still transfer data when connected to a computer, but would get a similar problem to the one you describe when charging. Might not be the same problem for you though.
I am now experiencing this problem. I think it is my usb cable too. Will buy another 1 soon. It discharges then charges again when I pull out the cable and plug it in again.
Sent from my U20i using xda premium
Well already tried wiping battery stats
heres what I've discovered till now
-The charge current drops as if the battery is at 91% but it isnt even close
-It is either the battery is sending wrong data to charger, or it is faulty
-Not able to explain how n why it discharges even a switched off state???
-Only solution I can think is a charging dock for BST-38
obsidian_eclipse said:
You might try resetting your battery stats on clockworkmod or xrecovery. Charge until 100% and let it discharge naturally to switch off, allow a few days of charge cycling and it should be ok.
Lipoly batteries dont trickle charge. If you leave your phone on charge for 8 hours it will just switch off the charger, discharge for awhile and then switch back on the charger. Most take 1 to 1.5 hours to charge, so if you leave it plugged in you will be charging/discharging about 6 times in that period. Lipoly have a limited number of charges before they diminish, usually about 500. So if you leave it plugged in you can reduce your battery life span considerably - otherwise it should last a good year and a half before it wears out.
Dont ever try to trickle charge, overcharge or manually discharge a lipoly battery as they have a tendancy to explode.
The good news is lipoly batteries are cheap to manufacture. You should be able to pick up a decent bst-38 (or substitute) on ebay/amazon for around 15-20 euros. Dont be hoodwinked into the 2000mAh batteries, most are fake. My 970mAh can last 2 days on Gintonic rom.
Sent from my U20i using Tapatalk
Click to expand...
Click to collapse
If I leave my cell on charging for 8 hours, then after 8 hours my battery will be zero... It'll keep blinking the red light for hour or more... See thats a wicked problem...
happened to me also, had to use a better cable (don't use thin and/or long cables)
Yeah I tried with a Nokia made cable and its charging flawlessly! This is my first time with a Non-Nokia n so far the experience is not very good!
btw thanxxx a lot for your attention n concern!
- similar (identical) problem, tried similar resolutions (factory reset/sdcard/sim removing/different chargers/battery replacement)
- disassemble my phone... and found out, that micro usb connector replacement is unrealistic.
- watched charge/discharge/voltage/current/temperature process trough battery monitor widget (1 minute sampling)..
- re-calibrated battery many times
RESOLUTION : micro usb connector or connections in mobo is dead. I build charger with current meter. No matter, what says my phone about charging (pluged in - discharging)- any information displayed delays for minutes on phone. IF my external current meter says - "charging", than phone state is "CHARGING" independent from what phone is displaying at the moment. Moving usb charging connector in phone causes current to stop flying to phone or reducing current value. Phone still says "plugged in" and or "charging" on "discharging"...
Temporary resolution: little pushing/deformation on charging connector (male) and LED in charging chain, witch is displaying - charging or not. Every time connecting charger i'm looking on indicator LED and moving charge connector, till LED says "charging" and then no more any moves on phone.
Future resolution: contact-less charging trough inductive coupling

Charging Question

does anyone know if its possible to find out if the s3 is really charging or not? ive been plugged in and it's still discharging. I need to know if its hardware or software related. when plugged in it has a lightning on the battery and it has red led when display is off but its really slow on charging
anthony001 said:
does anyone know if its possible to find out if the s3 is really charging or not? ive been plugged in and it's still discharging. I need to know if its hardware or software related. when plugged in it has a lightning on the battery and it has red led when display is off but its really slow on charging
Click to expand...
Click to collapse
same here!
anthony001 said:
does anyone know if its possible to find out if the s3 is really charging or not? ive been plugged in and it's still discharging. I need to know if its hardware or software related. when plugged in it has a lightning on the battery and it has red led when display is off but its really slow on charging
Click to expand...
Click to collapse
The battery does not charge to 100 %, this is not a defect in the phone but rather a sort of internal protection so as to not damage the battery. Indeed, it happens many times to leave the phone connected to the charger much more time necezzario.
The battery by doing so you may receive a surplus of energy than necessary, and in the long run, deteriorate more quickly. Samsung has inserted inside the Galaxy S3 a limiter that operates in the following way: while the phone is charging, you download slightly of 2-3% for then recharge automatically up to 100 %. This process is repeated automatically from your phone until it is removed from the charger.
Use this app.for monitoring battery ; https://play.google.com/store/apps/...ch_result#?t=W251bGwsMSwxLDEsImNjYzcxLmJtdyJd
If necessary make a battery calibration uses these applications ; https://play.google.com/store/search?q=calibration&c=apps
While plugged in go to settings/battery and see if it is ac charging or usb charging....I've had this problem with the new cable and plug, it only charges at usb rate, use my old S1 charger now, BlackBerry one worked for me as well
devid801 said:
The battery does not charge to 100 %, this is not a defect in the phone but rather a sort of internal protection so as to not damage the battery. Indeed, it happens many times to leave the phone connected to the charger much more time necezzario.
The battery by doing so you may receive a surplus of energy than necessary, and in the long run, deteriorate more quickly. Samsung has inserted inside the Galaxy S3 a limiter that operates in the following way: while the phone is charging, you download slightly of 2-3% for then recharge automatically up to 100 %. This process is repeated automatically from your phone until it is removed from the charger.
Use this app.for monitoring battery ; https://play.google.com/store/apps/...ch_result#?t=W251bGwsMSwxLDEsImNjYzcxLmJtdyJd
If necessary make a battery calibration uses these applications ; https://play.google.com/store/search?q=calibration&c=apps
Click to expand...
Click to collapse
Hmm, im not talking about when it charges at 100 % im talking about when it charges in mid ranges like 50 or 80. It shows charging but an hour passed but it didnt even increase to 2 percent
Are you on an original rom or a custom / leaked one?
Have you tried another charger or computer?
It may take some time to charge on slower chargers (the ones only outputting 0.5Amp) but it definitively should not be discharging when connected to a charger with the screen off.
Im on stock firmware. Using the wall outlet ti charge the phone

[Q] Battery Wtf

So i just played with Custom ROMs to find the best for me...
But from one point my Phone f*cked up the battery detecting...
CM9 and CM9 detect the battery at 45% and then he Level instantly just drop to 0%...
I cant even restart my phone, so i guess the battery really went out...
So how can i fix, that the ROM would not detect it 45% but 3-4% ?
And let me fully chage my phone ?
Stock rom Always Detect it 100% and then randonly the phone shut down in random times (cuz it drops the level to 0%)
I've tried the "Fully-Charge, Fully-Discharge" But the ROM still detect the Battery wrong...
Even tried to delete the battery stats...
Any solution, or idea ?
I currently use CM with the built-in CM9 kernel...
I think its battery problem.use a new battery.ur prblm will be solved
Sent from my WT19i using xda premium
RabirX said:
So i just played with Custom ROMs to find the best for me...
But from one point my Phone f*cked up the battery detecting...
CM9 and CM9 detect the battery at 45% and then he Level instantly just drop to 0%...
I cant even restart my phone, so i guess the battery really went out...
So how can i fix, that the ROM would not detect it 45% but 3-4% ?
And let me fully chage my phone ?
Stock rom Always Detect it 100% and then randonly the phone shut down in random times (cuz it drops the level to 0%)
I've tried the "Fully-Charge, Fully-Discharge" But the ROM still detect the Battery wrong...
Even tried to delete the battery stats...
Any solution, or idea ?
I currently use CM with the built-in CM9 kernel...
Click to expand...
Click to collapse
How old is the battery? What charging cable are you using and what is the cable plugged into?
If the battery is more then a year old it could be 'tired' and not holding a charge correctly (trying another known good battery in your phone will determine this, as will trying your battery in another phone, and if it works well you may have more issues to deal with). If you got the phone second hand, you have no way of knowing the battery's history. Repeated overcharging is also not recommended, as well as leaving the battery in very hot places as it can damage the onboard circuitry in the battery.
Cheap aftermarket (non OEM) USB cables are not that great imo, they are generally not as well made and soon get loose connections, resulting in poor connectivity (charging with a bad cable can also damage the battery). Always use the original cable or a good quality aftermarket one, like Belkin.
Charging the phone from a USB port on a PC or laptop (and/or via a USB hub) is not as efficient as charging it directly from a wall mains USB adapter, because the power often gets interrupted. Ideally for the best charge you should turn the phone off and use a wall/mains socket USB lead, so as give a direct, constant, power supply to charge a battery. A typical full charge is done in two hours. If you charge this way and the battery still has issues buy a new one.
smirnofred said:
How old is the battery? What charging cable are you using and what is the cable plugged into?
If the battery is more then a year old it could be 'tired' and not holding a charge correctly (trying another known good battery in your phone will determine this, as will trying your battery in another phone, and if it works well you may have more issues to deal with). If you got the phone second hand, you have no way of knowing the battery's history. Repeated overcharging is also not recommended, as well as leaving the battery in very hot places as it can damage the onboard circuitry in the battery.
Cheap aftermarket (non OEM) USB cables are not that great imo, they are generally not as well made and soon get loose connections, resulting in poor connectivity (charging with a bad cable can also damage the battery). Always use the original cable or a good quality aftermarket one, like Belkin.
Charging the phone from a USB port on a PC or laptop (and/or via a USB hub) is not as efficient as charging it directly from a wall mains USB adapter, because the power often gets interrupted. Ideally for the best charge you should turn the phone off and use a wall/mains socket USB lead, so as give a direct, constant, power supply to charge a battery. A typical full charge is done in two hours. If you charge this way and the battery still has issues buy a new one.
Click to expand...
Click to collapse
First of all, the Phone is manufactured in 11W41 (2011 Week #41) and the battery in 11W39 (2011 Week #39)
I use a tipical Micro USB charger which does not connect to the wall with USB but the cable directly integrated into the adapter...
And the phone's shipped official cable to charge throught my PC...
The battery worked fine before i forgot to delete battery stats and flashed a ROM...
After that, all ROM is getting fake battery data...
After using my phone i noticed:
-When the phone displays 70-80% charge, the battery actually have 10-15%
-When the battery reach 0% the phone not just jumps to 0% but the Phone shut down within a half second (as no more energy)
-When i charge it to 3-4% the phone show 80% again...
-So i can charge it to about 10 or max 15% when the OS detect 100% and does not charge it further more, which prevent me from properly re-calibrate the battery stats, cuz 10-15 will be always the max charge of the battery...
Now i'm looking for some kind of Mod / App that fake the Battery level to the OS (for example lock it to 5% and the OS continue to charge the battery) i know its dangerious cuz if i'm not aware i'll overcharge it and it will die permanently, but i have no better idea ATM...
Update: Sometimes after my phone dies from no remaining electron in the battery It displays 5% charge when i switch it on while connected to a charger (the only way i can switch it on) And starts to increase.. (5-6-7-8 etc..)
But sometimes it instantly jumps up to 70-80% if i think right when the screen switches of..
So i enabled "No-screen-off-whili-on-charger" and letit charging..
Will notice you about the result...
RabirX said:
First of all, the Phone is manufactured in 11W41 (2011 Week #41) and the battery in 11W39 (2011 Week #39)
I use a tipical Micro USB charger which does not connect to the wall with USB but the cable directly integrated into the adapter...
And the phone's shipped official cable to charge throught my PC...
The battery worked fine before i forgot to delete battery stats and flashed a ROM...
After that, all ROM is getting fake battery data...
After using my phone i noticed:
-When the phone displays 70-80% charge, the battery actually have 10-15%
-When the battery reach 0% the phone not just jumps to 0% but the Phone shut down within a half second (as no more energy)
-When i charge it to 3-4% the phone show 80% again...
-So i can charge it to about 10 or max 15% when the OS detect 100% and does not charge it further more, which prevent me from properly re-calibrate the battery stats, cuz 10-15 will be always the max charge of the battery...
Now i'm looking for some kind of Mod / App that fake the Battery level to the OS (for example lock it to 5% and the OS continue to charge the battery) i know its dangerious cuz if i'm not aware i'll overcharge it and it will die permanently, but i have no better idea ATM...
Update: Sometimes after my phone dies from no remaining electron in the battery It displays 5% charge when i switch it on while connected to a charger (the only way i can switch it on) And starts to increase.. (5-6-7-8 etc..)
But sometimes it instantly jumps up to 70-80% if i think right when the screen switches of..
So i enabled "No-screen-off-whili-on-charger" and letit charging..
Will notice you about the result...
Click to expand...
Click to collapse
try reflash stock.ics ftf should fix this
Already tried, the Stock rom always showed 100% charge, and when the battery ran out, just powered off...
(Jumped from 100 to 0 instantly)
As i mentioned, in the reply you quoted, today it started charging from 0...
It went good, but somewhy, it just stopped at 26% and not a single volt went into the Battery...
As i Pulled out the Cable, the indicator jumped to 100 instantly...
Can you link several stock ROMs ?
I've tried with the 4.0.4 Android
but maybe the 2.3 can still work with it...
RabirX said:
Already tried, the Stock rom always showed 100% charge, and when the battery ran out, just powered off...
(Jumped from 100 to 0 instantly)
As i mentioned, in the reply you quoted, today it started charging from 0...
It went good, but somewhy, it just stopped at 26% and not a single volt went into the Battery...
As i Pulled out the Cable, the indicator jumped to 100 instantly...
Can you link several stock ROMs ?
I've tried with the 4.0.4 Android
but maybe the 2.3 can still work with it...
Click to expand...
Click to collapse
but i think theres some HW damage. even if not rhe battery maybe some config chip is broken or whatever on the board. normally flashing a stock.ics.ftf resloves all software issues, as its resets all stuff to factory..
anyway, here u can find links to other android versions: http://talk.sonymobile.com/t5/Andro...y-Bean-ICS-Ice-Cream-Sandwich-and/td-p/154389
bejunk said:
but i think theres some HW damage. even if not rhe battery maybe some config chip is broken or whatever on the board. normally flashing a stock.ics.ftf resloves all software issues, as its resets all stuff to factory..
anyway, here u can find links to other android versions:
Click to expand...
Click to collapse
One solution still, that my frind has the same phone as me, so when i meet him, he can charge my battery to really full and maybe when i insert it to my phone it might work...

Alpatronix BX430 4500mAh Battery Charging Case for Samsung Galaxy S8

Anyone using this battery charging case? Bought one from Amazon a week ago, it works great but there is one problem.
As we know when just charge the phone using any USB C cable. I usually charge it at night when I goto bed, so when it charges the phone up to 100% full and the phone will remain 100% unless I unplug the charger (doesn't matter how many hours or days)
But if I put the Alpatronix battery case on my phone, when I charge it all together (according to the manual , it was programmed to charge my galaxy s8 first then battery case) When my phone reaches 100% it stopped charging and I can see the battery starts draining even though my charge cable still connected. This is what I don't understand. I tested it with straight charging cable and wireless charging. Both end up the same with the Battery case attached. It will charge my phone and the battery case for sure, but it stops charging while my phone reaches 100%. And when it starts draining from 100 to 99 and so on. It will not automatically charge my phone itself till it is full. It will only charge the phone when I am not using battery case. My phone will remain 100% all the time with charge cable connected. No matter how long I have the phone connected to the charger, hrs, days. It will keep it 100%. I wonder what is the main problem? Would it be a defective Alpatronix battery case?
I think it is normal?
I've had many kind of power bank, which is the same principle as battery case. Most of them stopped charging when phone battery is full, and yes, you need to initiate the charging again if the phone battery starts decreasing (usually by pressing the button).
Well, there are several "smart" power banks that starts charging when you plug in the phone, and does trickle charging when the phone is full. But, what I want to say is that not every power bank is made of the same system.
StardustGeass said:
I think it is normal?
I've had many kind of power bank, which is the same principle as battery case. Most of them stopped charging when phone battery is full, and yes, you need to initiate the charging again if the phone battery starts decreasing (usually by pressing the button).
Well, there are several "smart" power banks that starts charging when you plug in the phone, and does trickle charging when the phone is full. But, what I want to say is that not every power bank is made of the same system.
Click to expand...
Click to collapse
Are you talking about power bank or battery case?
If you know any battery case that has the feature I mentioned above, can you give me the name?
I have a few power banks but I don't like carry it separately. Battery case is more convenient.

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