1
2
How can I test if the battery is connected internally to my netbook or if it is working? Is it possible that the battery has been disabled by a software setting? The battery shows 100% charged, but the netbook shuts down if the AC adapter cable is unplugged, so the battery is not kicking in to keep the netbook operating.
user239235
Posted 2013-07-19T11:34:29.520
Reputation: 11
3
I think your netbook's battery has gone kaput. You can verify this in several ways by either installing an application like Battery Care or CPUID HWMonitor
Or you could use Windows' powercfg tool to check your battery health. Use this command:
powercfg /batteryreport (if you're running Windows 8. This doesn't require privilege elevation)
powercfg -energy (if you're on Windows 7/8. This requires that you run the command using an elevated command prompt and profiles your battery usage for 60 seconds to create a report)
That'll create a battery health report which will show the battery's design capacity as well as its current capacity.
You might also want to calibrate your battery so that it reports correct battery information.
Vinayak
Posted 2013-07-19T11:34:29.520
Reputation: 9 310
On my Windows 7 laptop powercfg –batteryreport doesn't work: Invalid Parameters -- try "/?" for help. /? doesn't say anything about -batteryreport. – gronostaj – 2014-06-14T09:29:19.713
Sorry about that. The command is powercfg /batteryreport. I updated my answer. – Vinayak – 2014-06-15T18:32:44.343
@gronostaj The batteryreport switch is Windows 8 only. On Windows 7 do powercfg -energy. It will take 1-2 minutes, be patient. Then it spits out an HTML file; open it up and scroll down towards the bottom (or search the document for "design capacity") and you'll see a section that matches the one described in this answer. – Jason C – 2014-06-15T18:56:28.383
1@Vinayak It actually doesn't matter, it recognizes both -batteryreport and /batteryreport - many Windows command line tools support interchangeable - and / for options. It's just that it's not in the Windows 7 version of powercfg. – Jason C – 2014-06-15T18:57:52.193
It's just the weirdest thing, but I ran the same command (powercfg -batteryreport) on my friend's computer right now and it didn't work. Then I used / instead of - and it worked. Then after reading your comment, I tried it with the - again (I copy+pasted, so no typing errors) and it worked! Windows just drives me crazy sometimes! – Vinayak – 2014-06-15T19:05:43.523
1
You can test to see if the battery is connected internally by removing the battery while the netbook is on and plugged in. If the netbook tells you that the battery has been removed after you actually remove it... and then acknowledges that you just inserted a battery after you actually put it back in, then your netbook is correctly connecting to the battery.
If one or more of the cells within the battery are bad/defective, they can make the battery report a full/100% charge while being charged but then fail when under load. Another common symptom of a failing/defective cell in a laptop battery is what appears to be a normal drain until somewhere between 50%-20%, then immediate drop to almost 0%.
It is not uncommon for one cell within a laptop/netbook battery to fail. Depending on the make of netbook or laptop, and whether the battery is an extended life model, there are usually between 3 and 6 cells within a netbook/laptop battery... not that this range is definitive by any means, for there are 8, 9, and 12 cell batteries out there as well for some models. I don't believe I've ever seen one with fewer than 3 though.
I can't say for sure, since I don't have your netbook in front of me, but the chances are good that this is just your netbook telling you to purchase a new battery.
Bon Gart
Posted 2013-07-19T11:34:29.520
Reputation: 12 574
May be time to replace your laptop's battery! Just check out if anyone have the same model and try to put his battery in your laptop and see what happen? Or may be any hardware issue so battery is not getting charged? :\ – avirk – 2013-07-19T11:53:53.010
If your netbook is still under warranty, call and ask the manufacturer/retailer for a replacement battery, also. – Matej Voboril – 2014-02-06T19:57:15.067