TP T500 loses battery power

I have a brand new Lenovo TP T500 laptop. Is it normal that battery loses power when laptop is powered off? When laptop was two days powered off, battery charge went from 100% to 69%.

I also have a new T500. Be aware that the physical power button, the virtual power button in Vista, and closing the display by default do not switch power off, just put the PC to sleep. From the Vista start menu you can choose "shut down" for the menue that apears after pressing the button with a triangle. I am new to Vista and this also surprised me.
Pedro.

Similar Messages

IPAD 2 loses battery Power Quickly

Problem 1: Within the last few weeks, my Ipad 2 loses battery power even when its powered down I've tried both closing the cover and using the main swithch on the top right. In all cases, I can start out at 100% and within a couple of hours be down to 85% after using it once and either closing the cover or pushing the switch. Its as if something is still running. I looked at the processes with all my apps off and didn't see any surprises . I have processes 9424 dataccessd, 9412 ptpd, 6581 AdSheet~ipad, and 1340 iapd as well as a dozen or so process with numbers in the double digits from 49 on down. It took me 9 hours last night to bring my pad from 20% to 100%.
Problem 2: I recently rented a movie from Itunes and tried to play it through my HDMI interface on my TV using the appropriate apple interface cords. It started to play then I got a message that told me that the device I was trying to play the movie on wasn't authorized for protected media even though I had no trouble playing it on my ipad.?????What's with that?

There is no "4S software".
All iPhones run iOS.
There are dozens of versions of iOS. Which version is your device on?

Loses battery power after 1 hour of play

My iPod mini (first generation) loses battery power after about an hour of play.
I sent the iPod mini into Apple to replace the battery. But they said nothing was wrong with it.
That can't be true, because I remember playing my iPod for longer stretches of time than just an hour.
Thanks for any help!

The iPod battery indicator is only a very loose approximation of how much charge there actually is left.
See these.
Beef up my iPod battery.
How to accurately determine your iPod battery life.
Can I make the meter more accurate?
However, you also need to consider that the battery may need replacing.
If so, Google 'iPod batteries' for cheaper options than Apple.

My ibook loses battery power when turned off and unplugged

I have been puzzled by this since November 2006. I calibrated my battery twice as prescribed and still, as soon as i shut down my ibook and unplug it, it's battery charge goes down. Why is this? I'd greatly appreciate help. I'm a former pc user and none of my pc laptops have this problem. I just want to know why my battery loss power when unplugged and turned off. thanks in advance

Well you might want to try what they call "battery reconditioning" which is 7 simple steps listed below:
1: Charge your iPod fully.
2: Use it till you cant trun it on anymore!
3: Then carge your iPod fully again.
4: Then Use it till you cant trun it on anymore!
5: One more time charge your iPod fully.
6: And then again Use it till you cant trun it on anymore!
7: Then one last time charge it fully again.
Reminder: it is best to let the battery die all of the way each time inbetween chages. for example if it has 60% battery life dont charge it use it till it is dead and then charge it up all the way!
*This should inturn maximise your battey life also!*

IPhone loses battery power extremely fast

I will charge my phone up to 100% and then in 2 hours the % is at 75%, and then 6 hours later the phone is sometimes already dead.
Who do I bring my phone to, to have the problem fixed. My phone is a little bit over a year old and I bought it at Target. Do I bring it Apple or to Target? And what will happen? Can the battery just be replaced, or do I need a whole new phone?

Hello rbain007,
I'm sorry to hear you are having these issues with your iPhone. If you are having what appears to be unusually short battery life on your iPhone 5c, you may find the information and troubleshooting steps outlined in the following articles helpful. In particular, the following portion of the general Batteries article is very good for isolating issues with specific apps or processes consuming a disproportionate amount of charge:
iOS 8 is designed to be the most battery-efficient iOS ever. And it gives you more precise ways to manage your device’s battery life, because you can see the proportion of your battery used by each app (unless the device is charging). To view your usage, go to Settings > General > Usage > Battery Usage.
Here are the messages you may see listed below the apps you’ve been using:
Background Activity. This indicates that the battery was used by the app while it was in the background — that is, while you were using another app.
To improve battery life, you can turn off the feature that allows apps to refresh in the background. Go to Settings > General > Background App Refresh and set the switch to Off.
If the Mail app lists Background Activity, you can choose to fetch data manually or increase the fetch interval. Go to Settings > Mail, Contacts, Calendars > Fetch New Data.
Location and Background Location. This indicates that the app is using location services.
You can optimize your battery life by turning off Location Services for the app. Turn off in Settings > Privacy > Location Services.
In Location Services, you can see each app listed with its permission setting. Apps that recently used location services have an indicator next to the on/off switch.
Home & Lock Screen. This indicates that the Home screen or Lock screen was displayed on your device. For example, the display was awakened by pressing the Home button or by a notification.
If an app frequently wakes your display with notifications, you can turn off push notifications for the app in Settings > Notifications. Tap App and set Allow Notifications to Off.
No Cell Coverage and Low Signal. This indicates that either you are in a poor cell coverage area and your iOS device is searching for a better signal or that you’ve used your device in low-signal conditions, which has affected your battery life.
You can optimize your battery life by turning on Airplane mode. Swipe up to open Control Center and tap the Airplane mode icon. Note that you cannot make or receive calls while in Airplane mode.
Apple - Batteries - Maximizing Performance
iOS: About standby and usage time - Apple Support
Charge and monitor the battery - iPhone
Sincerely,
- Brenden

Mini loses music for no reason, then indicates no battery power

this may be two problems, but they seem to be related.
The original problem was that despite being fully charged, when I turn the mini on, it would say no battery power and then power down. I soon realized there was battery power and that you just had to keep turning it on and it would eventually stay on (most times)- annoying but not the end of the world until problem 2 occured.
NOW I HAVE A HUGE PROBLEM. The mini inadvertenly loses all of the music (it's backed up). It doesn't seem to have anything to do with my pc, because I loaded the music, went for a run and then the battery powered down in the middle of the run. So I powered it back up, and NO MUSIC,NO PLAYLISTS- NOTHING.
I did the 5 R's, BTW.

Here's another thread with the same problem:
http://supportforums.blackberry.com/t5/BlackBerry-Storm-BlackBerry-9500/Sound-stops-while-music-keep...
And, as this thread mentions, the player actually keeps playing (you can see the time counter going) but there is no sound. This is how it works on my Tour.
I installed another player, Mobiola xPlayer, and guess what ....exactly the same problem with the sound stopping in the same places.

My iPhone 5 loses up to 50% battery power (standby do not disturb empty multitasking) once from 8:00 am to 3:30pm what can i do? Or will there be a software update with a longer battery life?

One day my iphone 5 lost 50% battery power (standby+do not disturb+cleared multitasking) from 8am to 3:30 pm. What can i do? Or will apple release a new software?

I am a lucky customer of two of these storms....once which arent 3 weeks old and the first one the one that was my phone locked up in the first week and i was mashing the screen not hard and the **bleep** thing broke...well verizon says you have 30 days till you can no longer buy the phone insurance and who would of thought in my first week the **bleep** touch screen would break by me tapping on it trying to get the locked up software to respond....and guess what verizon said there is nothing they can do to a phone with a cracked screen....and also both phones blackberrry storms that were sent to me were used equipement. but I am still repsponsible for the two contract agreement and I cant even use the **bleep** phone...also they say you can add insurance within 30 days of new purcchase not the phone that was malfuntioned and the screen cracked....but they let me add it to the second line....i think its very dirty of verizon to send used phones with two contracts to someone and it malfuntion like that and not replace the phone...and still hold the customer responsible for two year contract...after all the **bleep** trouble the storms have been giving customers...thats why they are sending the **bleep** things out free of charge...dont get scammed and screwed like I did go with Tmobile or att..

T500 loses screen when ejected from docking station

At my desk, I use a docking station with external monitor (DVI attach). If I eject from the docking station, my laptop screen goes dark. The only way I can make it work is to power down, eject, and reboot. It works fine then.
I have the ATI graphics card, and I don't think the switchable graphics is working. Is it possible to use the onboard Intel graphics when on battery power? This seems to be ideal.
Any advice will be appreciated.
Solved!
Go to Solution.

Thanks for the suggestion.
I apologize for not including the model number. I wrote my question several times, only to lose it before posting. This BB works very differently from the one I use a lot.
The machine is a 2081-CTO with 4GB ram, DVD drive, and Vista as shipped from Lenovo. Vista is up to date.
Earlier, I ran the Lenovo system update, and it installed seven fixes, including a new BIOS. The fixes were all listed as optional. Once I installed these fixes, I am unable to eject and get my display working. However, the screen flashes a few times and my icons were rearranged. I have reset my icons several times in the last few days, and find this to be very disconcerting.
The laptop spends a great deal of time connected to the docking station, which has the attached DVI monitor. I do take it to client locations, so the working laptop display is essential. I have been experimenting with connection to a 40 inch HD TV, and when we changed the resolution on the video port (VGA) (to read it from across the room), it messed my laptop display and DVI display's resolution. I had to reset all my icons for that as well. All my icons stay on the laptop screen.

How to save battery power

How can I save battery power on my iPhone5. When I go to work I keep my phone in a drawer at that time it seems to lose power very fast. Any other time the power is fine.

http://www.apple.com/batteries/iphone.html
If cellular reception is minimized when placed on a drawer, more battery will be used trying to maintain cellular reception with or without making any calls. If not being used during that time, enable Airplane mode on the iPhone before being placed in the drawer.

Does iphone lose battery when powered/turned off??

So my lock button at the top of the iphone 4 doesn't work and i used the assistive touch button to lock screen when needed. The reason i didn't go to apple store is that i have past my warranty and didn't buy apple care.
Anyway, the other day, the iphone shut down unexpectedly at around 40%.
Now, normally, if it shuts down, it'll only be because of the battery being lower than 4%, and so all i had to do was to it in to power adaptor.
BUT, because i know that the percentage left is closer to 40%, then i was wondering whether the iphone would lose battery. Because if that happens, i can just wait for a couple of hours before plugging it in....

All devices use power when in sleep mode.
Locking the screen does not turn the device off, never has.

My IPhone 5 lose battery quickly

IPhone 5 lose battery quickly

Hello!
Since my iPhone 5 (1+ years old now) almost constantly loses its charge down to 1% within 2-3 hours I seem to have a similar if not the same (very annoying) problem I herewith ask you to tell me where and how to search for solid suggestions of how to lessen the problem it causes in my life! I aquired this (&&&&&) iPhone 5 to be able to make phone calls (not many at all (- 2-5) a day!) short 2-10min max and Text Messages (mostly iMessages!)! these are the main use of my iPhone 5!
According to the Battery usage information the iOS 8.1.3 gives me for the last 7 days is as follows: Messages = 19% , Home an Lock Screen = 14% (?? shall I completely turn my phone off to save these percentages?), Safari = 11%, Phone = 11%, Calendar = 8%, Mail = 8%, Notes = 2%! Remaining = 1% each, where the most of them i don't understand why these are using that (much!?) Battery Power!
Any Suggestions on how i can minimize this Battery consumption?
Don't forget that i am almost all the time rechararge my iPhone 5 to 100% when not in use (2 -3 sometimes 4 times per day) and i keep it on the plugged in charger from ~ 10pm to 6am EVERY day too! Am i using my iPhone too often? BTW: I also used a $$$Lenmar Meridia Batter case (which I sent to Lenmar to evaluate it about 2 weeks ago)! I have not yet heard anything back from them so it looks like a bigger problem to me!) I am not looking for threads on this topic - I am looking (still) for solutions!
Please let me know where i can find more helpful suggestions! I hope you got some!
Thanks

Powerbook crashing on battery power after repair

I just performed a repair of my PB (replacing a screen hinge). It's okay, except that now it freezes on battery power.
The pattern is very strange: if I reboot with the battery, it makes it all the way to the login screen and freezes when I try to type.
If I unplug it while it is already booted then the screen dims (I have it set to do that on battery power) and then freezes a second or so later.
All activity ceases, the cursor becomes unresposive. It's not that the computer is not getting power: the screen stays lit, for example (and of course, it can boot all the way to login screen on battery power; it also can operate for quite a while in single user mode on battery power; I tried it long enough to fsck the disk).
The specific symptoms of the the problem are just so bizarre that I'd suspect a software problem if I hadn't just done this big repair. (By the way, I've repaired the disk (no problems) and, even though I think it's useless, I repaired permissions too, just for good measure; neither had any effect.)
Does anyone have any clue what I could have done to precipitate such a weird problem? Could there be some screw that is over- or under-tightened? A connector that is loose? Should I just take the thing apart again and put it back together again?

Well, the problem is solved, though the mystery remains. I carefully took the computer apart again and tested it after every piece was removed. It failed every time. Finally there was not enough left to actually boot. Then I reassembled it and, behold, it works!
I removed the keyboard, modem, airport card, fan connector, and PCMCIA cage and still had a crashing system. (I'd also removed and reconnected the battery cable, and moved the DIMMs around.)
So then I just finished the job. I disconnected the following from the logic board: hard drive, DVD drive, display, speakers/mic, power button (yeah, yeah, there's a few more I could have removed and kept a bootable system, but I was starting to get bored). Then I removed the logic board, looked at it stupidly, put it back, and reconnected all those connectors.
Then it worked. (So I put back all the other stuff, and it still works.)
So presumably one of those connectors was lose, or else the logic board was somehow incorrectly mounted.
I still don't really understand how a loose connector or incorrectly mounted logic board would lead to the symptoms I was seeing, so if anyone has a hypothesis, I'd love to hear about it.

MBP running out of battery power before sleeping - Help!

Hi
My MacBook Pro has been running out of battery power before the memory-saving sleep mode kicks in, so it dies with a little click of the HD. It's not a hibernation state as when I reattach the power supply it boots up a new session.
I've noticed this since upgrading to Snow Leopard last year, but put it down to an old battery that had 45% charge and wasn't powering the MBP properly. I now have a replacement A1175 5600mAh battery which is giving me 2-3hrs usage (which I'm pleased at), but now it still dies before sleeping!
I have tried to cycle the new battery, but can't. I have reset the SMC several times, with no effect.
I used to cycle the battery every week or two, running it down until it would no longer wake from sleep, recharge overnight etc, but now I can't do this because it will die before sleeping!
I've read quite a few articles over the net about this issue, but there seems like no cure. It's really annoying me now as I frequently work on the move and a dying MBP could potentially be disastrous.
Can anyone shed some light on this issue? Is there something I haven't tried yet? I think it's a late '06 MBP.
From System Profiler:
Hardware Overview:
Model Name: MacBook Pro
Model Identifier: MacBookPro2,2
Processor Name: Intel Core 2 Duo
Processor Speed: 2.16 GHz
Number Of Processors: 1
Total Number Of Cores: 2
L2 Cache: 4 MB
Memory: 3 GB
Bus Speed: 667 MHz
Boot ROM Version: MBP22.00A5.B07
SMC Version (system): 1.12f5
Battery Information:
Model Information:
Serial Number: ˇ{ïwl"Ó*%#Û˙� $«\
Manufacturer: SMP
Device name: ASMB012
Pack Lot Code: a0b0
PCB Lot Code: c0f1
Firmware Version: 8800
Hardware Revision: 0000
Cell Revision: 0000
Charge Information:
Charge remaining (mAh): 1320
Fully charged: No
Charging: Yes
Full charge capacity (mAh): 5315
Health Information:
Cycle count: 12
Condition: Normal
Battery Installed: Yes
Amperage (mA): 1500
Voltage (mV): 11560
System Power Settings:
AC Power:
System Sleep Timer (Minutes): 10
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes): 10
Automatic Restart On Power Loss: No
Wake On AC Change: No
Wake On Clamshell Open: Yes
Wake On LAN: No
Current Power Source: Yes
Display Sleep Uses Dim: Yes
Battery Power:
System Sleep Timer (Minutes): 0
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes): 0
Wake On AC Change: No
Wake On Clamshell Open: Yes
Display Sleep Uses Dim: Yes
Reduce Brightness: No
Hardware Configuration:
UPS Installed: No
AC Charger Information:
Connected: Yes
ID: 0x0100
Wattage (W): 85
Revision: 0x0000
Family: 0x00ba
Serial Number: 0x001e1900
Charging: Yes

If you are not getting a warning, then there is something amiss with your battery. If a SMC reset and calibration does not fix the problem, then you may need to make an appointment at the genius bar and arrange to have your battery tested.
My old battery started doing the same thing--shutting down without warning. I replaced it, and the replacement battery started doing the exact same thing. I then returned the replacement, and the next replacement battery behaves in a normal fashion.
My first battery was worn out. My second battery was defective. My third battery is good.
Your battery should still be under warranty. Go back to where you got it and show them what it is doing and see if you can get a replacement.
Good luck!

MBP (13-inch, early 2011) goes into hibernation instead of safe sleep upon closing the lid (only when using battery power)

MBP details
13-inch MacBook Pro, early 2011 (model identifier: MacBookPro8,1)
Running Yosemite, OS X 10.10.1 (however, problem started while using Mavericks)
2.5 GHz Intel Core i5
4 GB memory
Symptoms
* the MBP goes into hibernation instead of sleep upon closing the lid on battery power (i.e., when AC adapter is NOT connected)
-- problem does not occur when AC adapter is connected
* putting the computer to sleep by other means does not induce the problem; these other means include:
-- [i] option+command+Power,
-- [ii] Apple Icon --> Sleep,
-- [iii] in Terminal: pmset sleepnow
* the battery is NOT getting drained at all; if I close the lid on 87%, the battery is still at about 87% when I get the MBP back up and running
To be as clear as possible:
(1) MBP is on and in use (power source: battery); battery is at X%
(2) the lid is then closed
(3) the battery indicator light glows bright for about 10 seconds, then shuts off, and with it so does the MBP (all fans and sounds cease)
(4) opening the lid and pressing any key on the keyboard does nothing (the computer is not sleeping)
(5) to turn the MBP back on, I must hit the power button once; this brings up and the gray screen and loading bar indicative of returning from hibernation
(6) log in; battery is still at X%
Attempted Solutions / Fixes
There are Apple Discussions addressing similar MBP issues, many of which at least have work-arounds, if not full-blown solutions. However, I have tried many of the proposed work-arounds and solutions; nothing has solved my problem. Such attempted solutions include:
* made sure EFI/SMC firmware was up to date
* updated all software
* logged in as a different user
* booted in Safe Mode
* reset the PRAM
* repaired disk permissions using Disk Utility
* repaired additional disk permissions in recovery mode (a la this chron.com advice)
* ran the Apple Hardware Test multiple times (short test while plugged in, short test on battery, extended test while plugged in, extended test on battery)
* booted from an external known-good OS on USB drive
* reseated the RAM
* used MemTest to test the RAM's health (it was good)
* tested my battery's health with the app Battery Health (it is healthy!)
* booted my computer with one stick of the MBP's original RAM at a time (figured "why not?")
* booted my computer using other sticks of RAM
* checked my power management settings using PMSET in the terminal (e.g., pmset -g); tried various hibernation modes (e.g., sudo pmset -a hibernationmode X, where X=0,1,3, etc)
* searched/grepped through my power management logs and Console messages to look for googleable items (e.g., pmset -g log | grep WORD, where WORD=failure, sleep, etc); still have not found help online
* brought the MBP to a Mac Genius
-- he ran some further tests, but found nothing;
-- he re-installed my OS as a hopeful-hail-mary-just-maybe-last-ditch effort; the problem persisted!
-- we both agreed that we had ruled out a software cause
-- he offered me to leave my MBP to get fixed for a flat fee of $300.00 (which after a couple weeks of trying to figure this out is starting to sound more and more reasonable)
Given that it is likely not a software issue, what hardware might it be? By booting from an OS on an external drive, I think I've ruled out a bad hard drive or hard drive cable. Also, given that inducing sleep in any way other than closing the MBP's lid does not cause the problem, it seems there might be a wire (or something) in the hinge section of the MBP that gets moved when the lid is closed possibly causing some kind of short circuit...or something.
If someone with more experience interpreting Console messages, for example, can help, I'd be happy to provide some logs, or any additional information.
Thank you for your time and consideration.

Ok, this is a crazy-simple, quasi-embarrassing fix, but I'll post it anyway just in case anyone is having a similar problem (for example, this guy: Changes to pmset being ignored).
Some time around late last August / early September (2014) this issue began happening for me (specifically, issue = closing lid while on battery power induces hibernation / shut down instead of sleep --- independent of hibernation mode). Maybe it was when I upgraded to Yosemite (not sure what the exact date of that was). As detailed in my original post, I frantically tried everything I could think of... At that time, however, I had quite a few presentations and posters to create and present at meetings and conferences, so I held off fixing it for a couple of months and returned to it this past week, where I tried a few more things listed above, but again to no avail...
This morning, I simply tried fudging around with all my power management settings again (via pmset in Terminal). The simplicity of the fix surprised me. But now that I understand it, I know it is likely the same fix for other threads I've read, such as the one above:
(TLDR in bold)
(1) Take note of your power management settings (Terminal: pmset -g custom)
(2) Is the "standby" flag set to 0? If so, set it to 1. Wa-la! Done.
This fix is crazy and embarrassing b/c I was so close to it for so long. I tried changing my hibernation modes multiple times (sudo pmset -a hibernatemode X, where X=0,1,3,25,etc). I read about manipulating other PMSET settings that helped other people with newer MBPs, like "autopoweroff" and "autopoweroffdelay" --- settings that I do not have on the MBP early 2011 (check your settings: pmset -g cap). And most amazingly of all, I even messed with the "standbydelay" setting, trying to make it so long that my computer should never go into hibernation... Yet, from what I can tell by looking over my notes, I never simply set "standby" from 0 to 1.
There are interesting questions that arise due to this fix. For example, why did this problem persist on clean installs of OS Yosemite? Is "standby" being set to 0 the Yosemite default? I'm not sure. If it is, then Kappy was right: this was normal behavior... It just wasn't always the normal behavior...at least not for my MBP. Normal behavior (hibernatemode 3) used to be (and now is again) that the MBP goes into safe sleep, and then only after an allotted amount of time will it go into full-blown hibernation.
NOTE: the "standby" and "standbydelay" PMSET settings are not available in some earlier MBP models (e.g., my brother has a 2010 and does not have these settings); so if you're having a similar problem with an earlier model, this fix might not be of any help to you.

Mac Book Pro Shuts down on Battery Power

First, I apologize to everyone for asking this question yet again. I have gone through the previous posts and I am still at a loss. So thank you for your patience and help.
When I run my MacBook pro on battery power it will run for around 15 - 20 minutes... then just be dead. No low battery warning. No shut down. Just poof and gone.
I have looked at my power settings to see if my battery is bad. But I don't have a Status indicator in there. I see This:
System Power Settings:
AC Power:
System Sleep Timer (Minutes): 0
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes): 0
Automatic Restart On Power Loss: No
Wake On AC Change: No
Wake On Clamshell Open: Yes
Wake On LAN: Yes
Display Sleep Uses Dim: Yes
Battery Power:
System Sleep Timer (Minutes): 0
Disk Sleep Timer (Minutes): 10
Display Sleep Timer (Minutes): 0
Wake On AC Change: No
Wake On Clamshell Open: Yes
Display Sleep Uses Dim: Yes
Reduce Brightness: Yes
Battery Information:
Battery Installed: Yes
First low level warning: No
Full Charge Capacity (mAh): 1185
Remaining Capacity (mAh): 1185
Amperage (mA): 0
Voltage (mV): 12426
Cycle Count: 174
AC Charger Information:
Connected: Yes
Charging: No
Hardware Configuration:
UPS Installed: No
I have also looked at the directions on http://support.apple.com/kb/ht1490 about how to calibrate my battery. It says:
" 1. Plug in the power adapter and fully charge your PowerBook's battery until the light ring or LED on the power adapter plug changes to green and the onscreen meter in the menu bar indicates that the battery is fully charged.
2. Allow the battery to rest in the fully charged state for at least two hours. You may use your computer during this time as long as the adapter is plugged in.
3. Disconnect the power adapter while the computer still on and start running the computer off battery power. You may use your computer during this time. When your battery gets low, the low battery warning dialog appears on the screen.
4. At this point, save your work. Continue to use your computer; when the battery gets very low, the computer will automatically go to sleep.
5. Turn off the computer or allow it to sleep for five hours or more.
6. Connect the power adapter and leave it connected until the battery is fully charged again."
Only I have a problem withe step 3 and 4. I don't get the warning, and it doesn't go to sleep. So, I don't think any calibration is working.
Do I need a new battery? Should I just buy one? This computer is WAY out of warranty and I never purchased and apple care plan for it.
Again, than you for any and all advice on what I may need to do.

I think it's time to buy a new battery

TP T500 loses battery power

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