Lenovo T420s Poor Battery/Performance

Hi, so I recently bought a used T420s off ebay. Everything is going swimmingly with the exception of the battery that came included was almost dead.
The specs of the laptop:
- Core i7-2620M
- Intel HD 3000 / Nvidia NVs 4200m
- 8GB 1333mhz
- Samsung 240GB SSD
I just purchased a new battery along with the ultrabay battery. With full charge on both, I am only getting 3 hours at most with the lowest brightness. I am no beginning with installing software, and reformatting myself with Windows 7, and I believe I have all the non-bloatware software. So I don't believe I have any software that is making the computer waste battery. This problem persists when I used integrated graphics only.
One thing I have noticed is that my computer gets really hot, even when just watching netflix, it will peak 100 degrees celcius, the video will lag and the audio will become distorted at that point. One possible solution I had in mind was that the thermal pads used with the heatsink are worn out and am planning on replacing with my own thermal paste when I have the time.
Anyone have any other possible solutions or theory behind what may be causing this problem? Or is this just a common problem with T420s? Thanks!

Hi
I am T420s end user, but I am using I5 CPU,
All of we know i7 is not suitalbe for s series, since the s series design is too small for make the hot air out soon.
You better way is first try to upgrade your BIOS first see can fix it or not.
Then on power model choose Balanced Mode in your Windows.
If all not work, try send back the machine to the ebay within refund date. And buy a T420s with i5 CPU, this one will not run very hot, until you choose high performance mode let it run at full speed few hour.
About the s series battery life. it gneral only can work at balance mode about 2:30 to 3:00 hour is gneral. Don't beleive the AD said can 10 hours etc. No notebook can do like this, expect Mac Notebook with real big battery.
Hope this help.
Best Regards,
Jimmy Chan
http://www.jimmychan.tk/blog
Best Regards,
Jimmy Chan
http://explorerhome.no-ip.org/blog

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TimothyW wrote:
iPhone 4S Poor Battery Performance SOLVED!!
I found the issue with the iPhone 4S battery performance.
I bought 2 iPhone 4S models on the first day. One for my wife and one for me. The strange thing was that mine would kill the battery in 4-6 hours and ran VERY WARM to the touch. My wife's phone worked great. It was cold to the touch. She would forget to charge it at night... and the battery performance was great... even better than our prior 3GS models.
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This is a user to user forum. If you want a reply from Nokia, you should use the Nokia Support tab at the bottom right of this screen.

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Hei.
I have bought Nokia N95 last week and returned it today after extremely poor battery performance. I observed following things:-
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selling my n95 on ebay
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My 4 days old Lumia 720 too shows some battery draining issues like others.
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Lenovo T420, Type 4177 Review

Lenovo T420, Type 4177-CTO. Windows 7 Pro, 64 bit. 8 GB RAM, 500 GB HD, third party 128 GB SSD added.
After inspecting many laptops I chose the ThinkPad T420. The only better laptop was Apple and I needed different software.
An important consideration for any computer is support. Lenovo has excellent support at 1-800-426-7378. Tech support and repair happens right here in the United States. Repairs are done in Tennessee.
The Lenovo ThinkPad T420 is a solid laptop. It is not as light as some laptops but strength and durability need to be considered. Weight of machine with a large 6 cell battery and a slice battery = 6 lb. 7 oz. (3060 kg). The laptop weighs 5 lb. 5 oz. (2430 kg) with just the large 6 cell battery. The 6 cell battery weighs 1 lb. 1.5 oz. (500kg) and the 6 cell battery would then weigh 1/3 less. You can compute the difference. Keep in mind my battery life with the slice battery installed is about 17 hours. The slice battery also places the laptop on a slight angle with the rear elevated. It is about the same tilt as with the docking station. You cannot have the slice battery installed while the laptop in in the docking station.
The 6 cell battery sticks out the back so it is not a perfect cosmetic fit. The 4 cell battery will look nicer, be lighter and probably last about 4 hours.
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The Windows Pro 7 operating system and Lenovo will only allow one set of recovery disks. Do your backup recovery disks with good quality DVDs. Lenovo will provide a set of recovery disks if you need them. DVD-RAM is not supported by the Recovery Disks, but SSD drives are supported. The Lenovo T420 is designed to run on SSD drives.
Recovery Data notes. If you stop in the middle of Disk 4, you will have the first 3 disks and you can still make a copy of all 4 disks. At the end of disk 4 the computer turns Recovery disk copy off. You cannot make more copies.
Disc 1, Boot Media
Disc 2, Recovery Media 1
Disc 3, Recovery Media 2
Disc 4, Recovery Media 3
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HD Boot time = 41.4 seconds
SSD Boot time = 29.6 seconds
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Lenovo Recovery partition = 9.67GB used + 5.94GB free = 15.63GB
System Drive partition = 3.34MB used + 865MB free = 1.17GB
Local Disk C partition = 27.9 GB used + 420 GB free = 448.96 GB
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Window Performance test.
4GB RAM installed
7.1          Processor
5.9          RAM
4.7          Graphics
6.4          Gaming Graphics
5.9          HD
8GB RAM installed
7.1          Processor
7.5          RAM
5.9          Graphics
6.4          Gaming Graphics
5.9          HD
SSD and 8GB RAM installed
7.1          Processor
7.5          RAM
5.9          Graphics
6.4          Gaming Graphics
7.1          HD
Adding SSD card
(I used the MyDigitalSSD 128GB 50mm Bullet Proof mSATA PCI-e drive. Some SSDs are a little faster but cost much more.)
Install SSD
Initialized SSD card in My Computer, Manage, Disk Drives
Turn off laptop and remove HD
Boot to Recovery discs
Restore to factory default. (The Recovery disks only have the SSD to restore to)
When finished you can test the operation of your laptop on the SSD drive. Test by going into your BIOS to make sure you know how to get there. Boot using F1 for BIOS setup.
Turn off the laptop and install the hard drive.
Boot to BIOS (Do this first before booting Windows)
Remove HD from boot sequence. Go ahead and setup your boot sequence to something like SSD, DVD, and then USB, etc. Do not include the HD
Then I go to My Computer, Manage, Disk Drives and I do some major changes here.
You must make your own decisions. The SSD drive is prime real-estate and a 20GB recovery partition is out of the question (for me). The Recovery discs have been created. I decided to merge partitions on the SSD drive. Windows 7 Pro will handle this easily on the active drive. Now, there are actually 2 smaller partitions and the smaller 1GB partition cannot be removed. Apparently the operating system needs it. The larger 19GB partition can easily be removed and added to the C drive. No 3rd party partitioning software is needed with Windows 7 Professional. Go to Start, right click My Computer, left click Manage. Select Disk Management. Select the Lenovo_Recovery partition and remove it. Now select the primary partition (C: drive) and select merge. Use the full size of the deleted partition space. The System_Drv partition could not be removed on my SSD. It is only 1.17GB and probably essential.
Change drive letters in Manage, Disk Management. Fortunately the main drive was named the C drive. I do not think you can change the drive letter of the active drive partition for some operating systems. After reinstalling the HD there is no telling what letter Windows will give it. Rename it to D drive if you want to. You can also remove the Recovery partition on the hard drive. I decided to depend totally on my backup restore DVDs and knowing Lenovo would send me another copy if needed.
The computer controls the use of the 2 video card functions but it can also be controlled in the BIOS.
Your warrantee is not void if you install the memory or SSD. The machine is designed for those additions. The installation of my extra memory was a tight fit. Be careful. Don’t use metal tools or do anything stupid.
Notes: Boot to F11 for recovery. F12 for selecting boot device. Boot using F1 for BIOS setup. The ThinkAdvantage button takes you to a variety of places. I don’t really know where it goes.
Now if you are looking for the User’s Guide you will only find the Hardware Manual. It takes the place of the User Guide and is formatted a little differently. It is OK.
Most other attributes of the laptop are on the selection menus on the Lenovo web site. You can get just about anything you want except the T420 did not have a Blu Ray player at the time I ordered mine. It did not have a GPS option but it could be obtained via 3G subscriptions using telephone towers. If you want a real GPS you can buy many 3rd party USB modules that will tell you where you are at using global satellites.

Hi s78749,
Thanks for the review. After reading it I was ready to give away my T400 and call sales
As a point of reference, here are some numbers from my trusty T400 (2764-CTO, 8G RAM, 500G/7200RPM Hitachi HD, WIn 7 Pro 64 vanilla MS install + Lenovo apps and utilities):
Boot times:
Power on to Win login screen: 45 sec.
Power on to desktop (including 5 sec of typing password) 60 sec.
Windows Experience Index:
(integrated graphics)
Processor: 6.1
RAM: 6.1
Graphics: 4.1
Gaming: 3.5
HD: 5.9
(discrete graphics)
Processor: 6.1
RAM: 6.1
Graphics: 4.8
Gaming: 5.6
HD: 5.9
Hmm, maybe I'll keep it
Thanks again,
Z.
The large print: please read the Community Participation Rules before posting. Include as much information as possible: model, machine type, operating system, and a descriptive subject line. Do not include personal information: serial number, telephone number, email address, etc. The fine print: I do not work for, nor do I speak for Lenovo. Unsolicited private messages will be ignored. ... GeezBlog
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Poor battery life and high temperatures on MacBook Pro Retina 15"

I'm having never-ending problems with poor battery life and high temperatures on a MacBook Pro Retina 15"
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Furthermore, straight from the specs:
Intel HD Graphics 4000
NVIDIA GeForce GT 650M with 1GB of GDDR5 memory and automatic graphics switching
I am assume "GPU" and "GPU diode" are temp measurements on the discrenete NVIDIA video card, especially since MacBook Airs from the same and newer generatio do not have this reading. Since Apple Claims the graphics "automatically switches" it seems all the harder to believe the GPU is reaching 85+ when in theory it shouldn't even be activated. I mean, shouldn't the INtel HD Graphics 4000 be capable of simple web browsing and e-mailing? Especially with only one screen activated (be it it the internal or an external)?
What should I do here? When I asked the repair guys "OK well what is the normal operating temp range for the various sensors" they said "Sorry Apple doesn't provide that info".

Yes I have.
Just web browsing and basically doing nothing I'm hear a lot of aduible fans, I'm getting 85C+ on GPU diode, 65+ on cpu heatsink. I since installed anohter program that shows me not just the CPU heatsink but the cores and the cores are at 90C+.
Seems like a lot of heat for doing nothing. Not only that but I have these problems with no external monitor while on battery power too.
I don't know what to do. They already replaced the logic board. Others seem to get advertised battery life out of Apple products and not have products that get **** near hot enough to burn you while just web browsing or watching a movie let alone advertised tasks like Photoshop and Final Cut Pro.

Battery performance on vista v osx

Hi there
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cheers

try turning off all the eye-candy on Vista (that means turn off Aero), it will save your battery, it's because it's also making your CPU/GPU work harder.
deltatux

Satellite Pro L50 - poor battery charge capacity

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Regards, Mooky.

Laptop PSKJPA-00E00U Satellite Pro L50-A O/S Win7 Pro SP1 32b purchased 22/10/2013.
1. 10/7/2014 Toshiba PC Health Monitor indicated "Battery Charge Capacity Poor - Battery will loose its ability to perform at max capacity & may need to be replaced". Battery (PA5107U-1BRS) was replaced by Toshiba as the battery is enclosed within the laptop case.
2. Currently there is a red cross on the battery charge notification icon which indicates "consider changing your battery".
This indicator is a Windows battery health warning which I have now disabled. The Toshiba PC Health Monitor indicates that the battery is good & everything is OK.
PC works fine & battery charge usually lasts about 2 hours.
Is the battery on the way out?
Do I need to contact Toshiba again as the batteries seem to last less than one year & are difficult to replace being inside the case.
I would appreciate any advice as I am unsure where to go from here.
Regards, Mooky

IPhone 4 poor Battery Life & Intended Obsolescence

I have two questions and will include clarifications/details.
1) Why does my iPhone 4 have such poor battery life? I have had an iPhone 4 for a little over 2 years. I first noticed poor battery life a year and a half ago. I recently (two months ago) replaced my battery. The new battery still has the same very poor battery life problems. It does not last half a day if I use it at all. Before anyone asks, yes, I do constantly close my open applications when they are not in use. And yes, I had a brand new battery put in the phone 2 months ago. It only seemed to give me better battery life for a few days, and then it was back to very poor. Maybe it works for 6 hours now, when before the replacement it worked for 4.
2) A larger question that probably can't really be answered here: Does Apple design iPhone's to break down and work poorly after 2 years? It seems to me, these phones are designed to be used for a year at full functionality, and then start losing speed and battery life. Don't get me wrong, I think the functionality of a new iPhone is 2nd to none, but the functionality of an iPhone after 18 months, is mediocre at best.

tonefox wrote:
I recently (two months ago) replaced my battery.
You did it yourself? As Apple does not supply spare parts, including batteries, to anybody, there is your first suspect for bad battery performance.
I did not do it myself. I paid a local NYC iPhone service company. And please, what do you mean "there is your first suspect." Replacing the battery is quite easy and thousands of people have done it successfully with instructions from tutorials or sites like iFixit. Just because Apple doesn't sell the 3rd party batteries they put in their phones separately, doesn't mean tons of people haven't done it right (to the point that some can open well desgined storefronts in expensive neighborhoods in Brooklyn). You sound like a total shill. Give me evidence that replacing the battery yourself causes poor battery life. The battery I had taken out looked bad (it was slightly expanded), but the new one didn't give much improvement. Maybe an hour or two more power a day.
Does Apple design iPhone's to break down and work poorly after 2 years?
Don't be ridiculous. There are plenty of people still using 3G, 3GS and iPhone 4.
You don't be ridiculous. It may not be 100% intentional. I've heard talk about the iOS updates possibly being better designed for the new phones, so they inadvertantly become total power ***** on the older models. But this should be communicated if it is true. And I know tons of iPhone users in NYC. I know 0 who use a 3G or 3GS. And while I know quite a few people still with their 4 like me, 100% of them have horrible battery life.

Lenovo T420s Poor Battery/Performance

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