Download Toshiba Battery Manager

My battery was shot, so I bought a brand new one, however Windows 7 still seems to count down the battery life in at the same speed as the old one did. This time, when it alleged 0%, I turned the laptop back on and got another 90 minutes of life out of it, at 0%.

You can try and remove the battery and turn the laptop on using the AC/DC adapter only. Then turn the laptop off, re-insert the battery and turn the laptop back on using battery power only and no charger plugged in. This may reset the system automatically so the laptop will read the correct amount of battery charge. Then fully charge the battery with charger. Once fully charged, remove the charger and let the battery drain on its own. Fully charge the battery and now see if it got right!

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Some of their BIOS updates allow to reset all parameters stored in BIOS, namely battery voltages(for which BIOS makes idea of %% of charge). Make sure you charge computer fully immediatly after, and discharge it fully before plugging back without letting it to sleep in the middle.

Without losing ourselves in the weeds of high-tech gadgetry, solid-state relays fitted with the new TLX9910 device will be able to handle the higher-voltage outputs of BEV battery management systems without needing to double-up on photovoltaic output photocouplers as happens currently.

Toshiba has a number of battery monitoring technologies. How will these technologies enable the adjustment of electric power and the roll-out of renewable energy, and lead to a world where people can enjoy peace of mind? We spoke to Takahiro Kase and Kenji Mitsumoto from Toshiba Energy Systems & Solutions.

After I upgraded from windows 7 to windows 10. I then started to have issues with the rechargeable Laptop battery that allows the laptop to not be plugged in to use the battery would not charge shortly after Win 10 fresh clean install.

You have to have the laptop unplugged running on battery and go to device manager and under battery you click on it and it expands and shows there is 2 things listed about battery then uninstall both under battery see pictures below and shutdown the computer then start up and usually it works fine and then charges many times for about a while until it stops again I just go do the same thing again and it works again for a time.

Finally you could trace the exact hardware ID for the battery and AC adapter drivers to see if there are any newer drivers to be found that suit that exact match. See the Hardware ID tracing section here:

If the battery fails one of the tests, write down the failure ID (24-digit code) so you have it available when you contact HP Customer Support. The information is also available in Test Logs on the main menu.

I applied the temporary fix as I said before if you uninstall the battery drivers from the device manager the battery works fine again and charges and works fine on battery and not have to plugged in.

So now that I uninstalled the battery drivers from the device manager the battery now again is seen by the laptop and it charges and is charged now fully. I now then ran the Windows Hp Diagnostic software on the battery and the test passed and I ran a test on the ac cord adapter the test passed.

Also after we bought this laptop the battery had issues so we ordered a new battery straight from HP. Then after installing windows 10 now issues. But HP wont update their battery drivers for windows 10 it seems. I'm going to try what the Microsoft MvP said to do try the Hp windows 8 battery drivers see if it helps or works. Someone else posted in here mentioned to try to update the bios. I will see if it already has the latest one or not or if that helps..

Battery monitor when running on battery reports percentage of battery remaining correctly, but the corresponding remaining time is often fabulously wrong (and can swing between e.g a few minutes to tens of hours in the blink of an eye). /* What I wouldn't give for batteries that can last 14 hours between charges... */

I've noticed the same with a Dell 1505n running Gutsy. The tooltip popup says there is 55 min remaining when the battery is at 98%.

Yet if I pull up the Device Information page for it, it correctly shows "Discharge Time: 5 hours 56 minutes"

Longer answer: In poking around inside gnome-power-manager I could see that it *does* get the correct discharge time, sometimes (the Device Info page, for instance), but when running it through the debugger I found it zeros out that number. Inside gnome-power-manager, gpm-cell-array.c there is the following bit of code:

PeterL: you won't find this key in your gconf, since battery profiles were introduced in version 2.19.x (I assume you're using some 2.18.x version). I'm not sure what could be the cause, but if you're using some 2.18.x version, you can discard battery profiles being the problem.

I don't need to suspend to get bizarre "Battery Time Remaining" estimates; simply unplugging the mains adaptor and mouse-over the battery icon a few times is sufficient.

As I stated in my original bug report, the percentage battery remaining figure seems to be reliable-enough.

I was obviously unclear. I don't mean that the battery time is only wrong after suspending. I mean that the battery profile (which you can see in the "profiled discharge time" graph of power history) is influenced by time while the laptop is suspended - and since the laptop is using hardly any power while suspended, this makes the battery profile vastly underestimate the normal power usage (and hence overestimate the time remaining).

This manifests (for me) as a large spike in the profiled discharge graph at around the 30% mark, around the level I usually resume from suspend, which I can reduce by allowing the battery to discharge through that level a couple of times, and not suspending.

I have the same problem appear suddenly on my Dell 1420. The battery manager does not work correctly any longer. If I run the laptop on battery power, it will not charge after I plug it back in. Once plugged-in, it says I am fully charged at some percentage (which drops each time I unplug). If I reboot and go to to the bios, I can watch the battery charge as normal. I first thought it was a battery problem. Dell sent me a new battery. Same problem. I first noticed this defect about two weeks ago. So it may not be related to the original issue in this thread.

I have the same issue on my Acer Aspire 5672... Ubuntu Gutsy P.M. reports that my battery may be damaged (running at 43% of it's full capacity) even when I start my OS with the notebook plugged in the AC.

"I have the same problem appear suddenly on my Dell 1420. The battery manager does not work correctly any longer. If I run the laptop on battery power, it will not charge after I plug it back in. Once plugged-in, it says I am fully charged at some percentage (which drops each time I unplug). If I reboot and go to to the bios, I can watch the battery charge as normal. I first thought it was a battery problem. Dell sent me a new battery. Same problem. I first noticed this defect about two weeks ago. So it may not be related to the original issue in this thread"

I have run Ubuntu Gutsy, Hardy, and Intrepid on my Inspiron 1501, and Hardy on my girlfriend's Gateway MX**** something or other laptop, and have never once over the last year gotten an accurate battery life reading.

On Fri, Oct 10, 2008 at 12:52 AM, kforum wrote:

> i just wanted to say that on kubuntu 8.10 beta the kpowermanager works quite ok, and most of the times knows exactly how much is left.

> so maybe this is gnome specific issue. ;)

> --

> Laptop Battery Time Remaining Outrageously Inaccurate

> You received this bug notification because you are a direct subscriber

> of the bug.

> Status in "gnome-power-manager" source package in Ubuntu: Confirmed

> Bug description:

> Ubuntu 7.04 Feisty Fawn

> Hardware is HP Pavilion DV1000 series (specific DV1588EA)

> Battery monitor when running on battery reports percentage of battery remaining correctly, but the corresponding remaining time is often fabulously wrong (and can swing between e.g a few minutes to tens of hours in the blink of an eye). /* What I wouldn't give for batteries that can last 14 hours between charges... */

> It looks for all the world like the underlying values are being held in storage classes which are too small or where value-wrapping is not being handled quite right...

> BTW UBUNTU is fantastic; I'm a convert! Keep up the good work!

I think the problem is that gnome-power-manager takes the value from the battery. For example LiOn batteries tend to report lower times if they were stressed by higher energy consumption for a short time. I think we will get more accurate values if gnome-power-manager calculates the remaining time from the remaining energy and the current consumption (or weighted average of consumption values for 5, 10, 15 minutes while lastest value has the highest weight).

The wrong charge time estimate bug is still present in 9.04 Jaunty, Power manager 2.24.2.

What is interesting, the Battery charge monitor (2.26.1) works fine, it gives realistic charge time estimate.

Power manager should do the same.

I get about 46 minutes from my 5200mAh battery. I charged it until the charge light indicated it was fully charged, then let the battery completely run down until the system powered off. Typing acpi at the command line doesn't report the % full accurately, but there is a problem with the battery capacity now (only getting 46 minutes), and I got the message that my battery capacity is at 41% and is broken or damaged. My problem isn't just with gnome-power-manager, it's with acpi. ff782bc1db