IdeaPad s400 battery status question

Hi how do i know when the battery if fully charged when the laptop is turn off, the battery light indicator is always on the only way than i can know is touching the charger and if it is cold means that is fully charged.

Hi Nick,
Welcome to Lenovo Community Forums!
I’m glad to inform you the status of the battery and its notifications have been explained in the image below for your S400 Laptop.
Spoiler (Highlight to read)
Do post us back for further queries.
Best Regards
Shiva Kumar
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Similar Messages

Ideapad S400 Battery Problem

Hi all ,
4 days back i bought a Lenovo S400 Ideapad with i3 processor(2nd gen), I am really concern about the battery back up its giving , currently its giving 1.5 - 2 hrs . any solution guys .
In Flipkart they have quoted 5 hrs as battery back up , so its a bit of concern that so early it should not give this poor backup .
hoping for a reply .
Solved!
Go to Solution.

hi Ranjan07,
Welcome to Lenovo Community Forums!
On Lenovo sites it also says 5hrs battery life, but this is an idle mode which means no application running and minimal brightness.
Windows is calculating your remaining battery hours of usage by checking your current discharge rate vs. The remaining charge.
You can use Passmark Batterymon to check the discharge rate, high discharge rate is caused applications / Background applications / services and power settings like brightness and wireless/Bluetooth.
On my lab PC here, discharge rate is around 15884mW so If we have the same discharge rate and battery charge of full 32000mW It will only last for about 2hrs.
My system is running on Windows 8 and I tried looking around seemed that there are steps to lower down the discharge rate by adjusting some settings like this on this Post
http://www.friedbeef.com/top-15-ways-to-extend-your-laptop-battery-life/
You can also fully charge your battery and see if the full charge will count as 32000mW, If it is nowhere cose to that then that definitely is a defective battery.
But still if the computer is already on minimal usage lower power settings, still your getting 1.5 to 2 hours,
You can always contact Lenovo Technical support for assistance.
Best Regards
Solid Cruver
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Ideapad S400 battery charge until 60% and stop charging, on Linux

Got the same issue that windows users had but, I can solve the same way cuz I did Install Linux on my s400, is there anything that can do under linux?

Hi Yasumitsu,
Welcome to Lenovo Community Forums!
I’m sorry to hear that your S400 Laptop is charging only upto 60%, this issue in windows will get resolved by install the LEM (Lenovo Energy Management) and by choosing the (Optimized Battery Health), the Battery charges only to 60% and stops charging the battery and then it take its power from the charger, so if you want to charge the battery to 100%, you need to choose (Maximum Battery Life).
Do post us back if the issue still persists.
Best Regards
Shiva Kumar
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Ideapad S400 Battery backup Problem

Hi,
I'm using S400 notebok,i'm having battery backup problem,I'm getting 2 hrs backup only,Shall i do battery gauge reset to improve backup hrs,If ok,Then how should i do it?
plz g've reply..
Sridhar Gundu

Hi Sridhar,
Welcome to Lenovo Community Forums!
I’m sorry to hear that there is battery backup issue in your S400 Laptop, I suggest you to change the power plan, reduce the brightness and then check if the issue persists also please let me know the OS (Operating System) installed in the computer.
Hope to hear back soon
Best Regards
Shiva Kumar
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Ideapad s400 battery

Is it possible to upgrade to a bigger battery?

Hi whatever125,
Welcome to Lenovo Community Forums!
I think the Battery that were released for this model has minimum and maximum of 32Wh,4Cell.
and no higher battery is available as replacement or upgrade.
What I would Suggest is to use a Passmark Batterymon so you can check the discharge rate of the laptop.
and with that you can disable some Non Microsoft and thridparty services and Startup Programs.
This will minimize the background application running in your system and see the Discharge rate lower together with remaining battery runtime gets higher.
Best Regards
Solid Cruver
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Battery status question

I just bought my 11.6 inch MBA few days ago. My cycle count is 6 and battery condition is normal. My friend's old macbook has 340 cycle count and the battery condition is good. I'm just curious how does the cycle work. How come I have less charge cycles, yet my condition is only normal?
Thanks in advance.

About Batteries in Modern Apple Laptops
Apple - Batteries - Notebooks
Extending the Life of Your Laptop Battery
Apple - Batteries
Determining Battery Cycle Count
Calibrating your computer's battery for best performance
Battery University
So, would you prefer it say "abnormal?"

Lenovo ideapad S400, battery not charging when plugged in

Hi, I had the problem where the battery didn't charge at all even if it was connected in the right way and the charger was plugged in. So I started to search internet for possible solutions. Those I found where to 1) disable alt uninstall ac and acpi adapter in Windows Device Manager. Restart computer.. Not charging problem is related to some Windows issue. 2) Choose the alternative "maximum battery life" in Lenovo Energy management.. Neither worked after several and time consuming tries... The problem here is Lenovos "smart" Energy management system that prevents the computer from charging the battery to "save it".. Solution: Uninstall Energy Management (Publisher: Lenovo) under Program and Features in Windows Control Panel and the problem is solved.. And don't reinstall this **bleep**ty program again....

I should note that this unit is pretty new: purchased in august 2012.

Ideapad s400 touch bios or other hidden power management while on battery? or battery just weak?

Hi,
I have problems with performance when unplugging my ideapad s400 touch, and it does not seem to be related to windows or intel graphics power settings.
Example, while plugged in with full battery (not charging), I can play Skyrim at 600x800 with 28-30 fps (all shadows turned off and with reduced textures, in case you are wondering how that is possible)
But when I unplug, or the computer is charging, the game will be only barely playable at 480x640 with 18-26 fps (besides res. of course same settings).
In both cases, the intel graphics options and in the Lenovo Energy Management is set to the high/max performance settings.
So I am wondering if there are some hidden Bios power management or some other hidden power management going on, when it is unplugged or charging?
Or if simply the battery can not deliver the same juice as when it is plugged in?
Thanks for any help,
L

hi x8lars,
Welcome to Lenovo Community Forums!
Can you try changing the power plan on your system to a High Performance Settings,
Also check the Advanced power settings and make sure that the Maximum Processor start and minimum are set the same with the Plugged in.
Let me know your settings,
Cheers!
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Ideapad S400 - what am I losing if I choose Core i3 (Sandy) vs. i5 (Ivy)

Hi everyone,
I'm getting a new Ideapad S400 as a backup PC and my options are restricted to the Core i3 (Sandy Bridge 2375M) and Core i5 (Ivy Bridge 3317U) models. Right now Core i3 is a lot cheaper than i5 in my market (about $150 less).
Question is, am I losing much by going for cheap?
Specifically, would an Ivy Bridge i5 processor bring better battery life or *much* improved performance over the previous-generation i3? I know the S400 is notorious for its low batt life.
As for getting the cheap option and upgrading it, I already have a Samsung 840 SSD and 8GB of RAM waiting for the laptop here, so either model would get the same upgrades.
Thanks in advance for your insights!

hi livino,
Regarding your concerns:
1. With the custom upgrade you have in mind and If you'll be using the Ideapad S400 for basic use (i.e. Stream music/videos, play flash games, etc.), you really won't notice that much difference between the Intel® Core™ i3-2375M Processor (3M Cache, 1.50 GHz) over the Intel® Core™ i5-3317U Processor (3M Cache, up to 2.60 GHz) unless you'll do heavy multi-tasking or a benchmark test (the i5-3317u has Turbo Boost)
CPU Benchmarks:
Intel® Core™ i3-2375M
Intel® Core™ i5-3317U
2. The Intel Core i3-2375m and the Intel Core i5-3317u both have a max TDP of 17W so battery life wouldn't be that noticeable but the I5-3317u have a slight edge on performance when both PC run on battery power as it has a higher clock speed and a bit faster integrated graphics
Integrated Graphics Benchmarks:
Intel HD 3000
Intel HD 4000
If you have a tight budget and will just use the laptop for basic use, the Ideapad S400 with an Intel® Core™ i3-2375M will be sufficient for everyday use.
Regards
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Ideapad S400 touchpad jumpy when ethernet cable plugged in

I have an Ideapad S400. Lately when i plug in my ethernet cable(router, switch, different cable, tried everything) the touchpad behaves erratic, but only if i run on battery.
Have updated drivers, reinstalled windows even tried ubuntu... same results.
I'm concerned it may be a hardware issue.
Anyone had similar problems?
FIx?
Thank you in advance
Solved!
Go to Solution.

hi piranja21,
Welcome to Lenovo Forums
You might want to try the Troubleshooting steps on this thread, your concern is somehow similar to this one,
Hope this helps,
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Ideapad s400 touch Wont power

Ideapad s400 Touch
Windows 8.1
Hello ive recently made a factory reset on windows 8.1, everything worked ok and I decided to update and shutdown. Today i turned on the machine everything seemed ok and proceed to shutdown again, and when I come back 2 hours later I cannot power on the machine there is no indication that theres power in the system nothing boots up no sounds, no leds nothing. I tried changing ac outlets, removing the battery, doing a discharge pressing the power button, and tried using the Onekey Recovery button on the side of the power button. I have no idea what went wrong, im around machines all the time and where this laptop is I have other computers aside. Im not sure if i need to remove the bios battery or what step should i take.
Thanks in Advanced.

hi x8lars,
Welcome to Lenovo Community Forums!
Can you try changing the power plan on your system to a High Performance Settings,
Also check the Advanced power settings and make sure that the Maximum Processor start and minimum are set the same with the Plugged in.
Let me know your settings,
Cheers!
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If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.
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IdeaPad S400 Touch Windows 8 reinstall

Hello to all. This is my first post on this forum. I bought a IdeaPad S400 Touch several months ago (October) and one of the first things I did was create a backup image on an external hard drive using the tool in Windows 8. I then wiped the hard drive completely in order to install Ubuntu. I was going to put Windows 8 back ont he machine and have the two running side by side. However, I have not been able to reinstall Windows 8. I physically took the hard drive out of the laptop and completely erased it using Disk Utility on my Mac, making sure that the disk was reformatted as MS-DOS. I also created a separate partition, named Lenovo, of 20GB that contains the backup files from my original backup. Still, using OneKey recovery doesn't work, and I am unable to reisntall Windows 8. Please , would someone tell me what I am doing wrong and if there is any way to fix this mess I have created? I will say things were so much easier back in the good old days when PCs shipped with recovery media. Thanks.

Hi Robert,
Welcome to Lenovo Community!
I’m sorry to hear that the OKR (One Key Recovery) is not working as expected in your S400 touch Laptop, let me inform you that once the partition structure HDD (Hard Disk Drive) gets modified the hard disk recovery corrupts, if you have created the recovery media then you can use them and restore the Operating System. Please try running OneKey Recovery from hard disk, power off the laptop then press Novo button instead of pressing power button and check if it works and if OKR does not work. I suggest you to contact our Technical Support Team to get the details of the nearest Authorized Service Center to get the issue analyzed.
Click here to open a link where you can select the country and get the exact contact support number. I’m sure they will be a great help.
Do post us back for further queries.
Best Regards
Shiva Kumar
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If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"! This will help the rest of the Community with similar issues identify the verified solution and benefit from it.
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Play Status Question

Hi I have what looks like a fast reverse symbol in my play status on my IPOD. I can't see whether it is playing or paused. does anyone know what this is and how to remove it?
IBM Windows XP

greetings everyone and a happy new year. am a new
shuffle owner and after getting over the initial
familiarization, ive come across a situation. in all
of the documentation (online, print, forums)
concerning battery light status, there ISN'T an
implicit indication that both lights (top and bottom)
will light up simultaneously when doing a battery
check. so if anyone here could offer some
thoughts/answers i would very much appreciate it. i
understand that to check battery status you switch
the shuffle on and off within 5 seconds, the shuffle
will continue to play and the status light will
indicate charge. my question is, are BOTH top and
bottom lights supposed to indicate this or only the
bottom (i.e. next to the on/off switch)? funny me but
it struck me as odd that this morning only the bottom
light showed battery status when i thought the top
would. fyi, the lights on my shuffle work in every
manner as its supposed to EXCEPT this battery status
(either it doesn't or isnt supposed to). thanks very
much beforehand.
According to the manual:
"...iPod shuffle has two status lights, one on the top and one on the bottom, that let you know when you’ve pressed a button, the state of the battery, that iPod shuffle is enabled as a disk, or if there’s something wrong... "
HOWEVER, my experience is that same as yours: ONLY the LED next to the switch shows battery status. BOTH bottom and top LED light to show button pushes, etc...

Wrong indivcation of Battery Status

Respected Sir,
I'm using the hp pavillion E-015tx laptop and purchased before two months .I have problem regarding the battery status. Earlier the laptop was giving the warnig of battery indication if the battery was remaning 15%. But nowdays the laptop is not giving the warning of the battery of remaning 15% (low battery) and and the laptop goes in sleep mode if the battery status is below the 40-50% and laptop does'nt start till I plug my charger.
This question was solved.
View Solution.

It seems the first place to start would be to test and calibrate your battery. Please use this document to test and calibrate the battery in Windows 8.
Let us know what the test says and if after calibrating the battery it more accurately shows how much time is left for the battery to be used. Does that make sense?
GeorgeFN
I work on behalf of HP.

Battery status icon meaning (?)

this seems like a dumb question, but i can't for the life of me find any apple document that explains what the battery status icons mean.
there's one with a lightning bolt and one that looks like a power plug.
i'm assuming that lightning bolt = charging and power plug means it's running off the adapter and the battery is fully charged?
i'm on a new macbook pro now, but the reason i ask is that in my old powerbook it was giving me both readings even while charging, so i'm confused...
probably due to faulty power adapter, which i've gone through like 4 of them....(due to them shorting out because they always seem to be on the wrong side of the computer from where i need to plug it in, and therefore causing connection problems due to the bend in the cord).
can anyone confirm what the icons mean?

thanks.
the reason i'm asking now is that i have a separate issue that doesn't seem to be a problem yet. my current magsafe adapter's green light seems to go out when it's fully charged, if i wiggle it, it comes back on. but in any case, it charges normally and the battery icons function as they are theoretically supposed.
i live overseas and have converted many of my friends to mac's in the last few years, but everyone seems to have the same problem with these chargers, that the plugs short out near where they connect to the computer, this is due to apple putting the power plug on the side of the machine. many times you have to plug it into a wall on the opposite side, and it bends the cord, and after time it starts to fail.
i don't think it's happened yet to this charger, but i wanted to make sure...i swear that i saw the "plug" icon in my battery status with my old powerbook as it was charging, and the lights didn't correspond to what they were supposed to be.
anyway, thanks!

IdeaPad s400 battery status question

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