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Hey folks, I searched for this issue before posting this so sorry if I missed an answer somewhere.

I got my GPD G5A today, installed the Legacy rom 4.2.2 and everything was working fine.  I used it for about three hours and there were no issues.  During that time I had it plugged into the computer charging for only a few minutes here or there while I was transferring some files.

While I was using chrome, the device powered off and made the android "low battery" sound even though the battery was at more than 50%.  Now when I plug it in it shows the charging animation for a few seconds, if I try to power it on, I get the GPD logo and then the power immediately cuts off and the screen goes back to the battery charging animation.

I reloaded Legacy which worked fine, however, I still have the same problem after completing that step.  Instead of powering on after the Legacy install like normal, it showed the GPD logo, cut off and went to the charging animation for a few seconds.

Please note the following: I have tried to power the device on under three conditions - plugged into nothing, plugged into an ac adapter and plugged into a usb port on a computer.  Under all three conditions, the result is the same.

Does anyone know what the heck happened here and how to fix it?

Thanks.

I had pretty much the same thing happen to me yesterday when mine arrived. It came pre-charged, so I booted it, installed Legacy 4.2.2, then played with it for a few hours.

All of a sudden I got a pop-up saying to connect my charger (even though the battery gauge said I was still a little bit above 50%) and my unit powered off (all in a matter of a few seconds.)

In my case, I didn't try to turn my unit back on, I just connected the charger and went to bed.

Today I turned it on, played with it for a number of hours, it eventually went way below 50%... I opted to charge it around the 15-20% mark, no auto-shutdown this time.

So, I'm not really sure what the deal was... clearly the battery gauge was off, but it seems to be working better now (not conclusive since it's only been once, but it didn't shutdown at 50% again.)

As for your device not turning back on at first, that's actually normal. A device with a dead battery won't turn on until the battery has charged to a certain degree, even if plugged into a wall. All my tablets do the same thing. So, I wouldn't worry about that.

Anyone have any theories on the battery weirdness?

 
   Mine was the same, powered off after first charge at about 60% (DeenOX's too i believe he said) but since then the battery has been fine. My apps disappear of the home screen bottom line too, don't put any there now.I am on legacy firmware too.

 Apart from that still love the device, been playing epsxe with the analogs RC Copter is cool and Reicast works ace- Daytona in the car view is a steady 50fps.Tried Alien Front Online which looked to be running full speed but graphical glitches render it unplayable. Hope the team can fix it.

Weird, it never happened to me. So I cannot replicate the issue. As a workaround, try using another launcher (Apex, Nova, whatever) to see if the problem is solved. If not, my guess is that your devices are not mounting internal memory as fast as it should.

Just another quick update.

The device SEEMS to be working fine now.  I do know that for many tablets/phones you can't turn them back on immediately after the battery dies, it was just since it had been at 50% I didn't think that was the issue.  Still thanks for all the replies here.

I did also install Apex launcher (which I forgot I'd been using on my gaming-only xperia play for some time  and it has no issues with the bottom row of icons vanishing,  but it does have a few of its own minor issues.  The dock icons (the always present ones) often become misaligned and you have to rotate the device to fix it.  Is that issue happening to everyone else using Apex on this device?

I actually set it to landscape only mode initially, then the problem surfaced.  After that I switched the setting to auto-rotate and rotating to portrait and then back to landscape immediately fixes it.  It also seems to happen every time I hide and then show the status bar, but sometimes it just happens randomly as well.

FYI, I have five icons on the dock.

After charging to a 100% last night I figured I'd look and see how the battery did from there and the percentage at which it would die.  Here's what happened.

First, I got roughly six hours on this charge and that was with almost constantly running emulators.  I had the device hooked up to the computer for a total of about 20 minutes while transferring some files, but that is the only charging that was done after this morning.  It only added about 4% to the charge during that time.

I got my first low battery alert at 14%.  It had been on 14% for maybe 3 seconds before I got that lovely android low battery "honk" sound.  About two seconds after that it said "powering down" and shut itself off again.

Now, I'm not complaining about battery life, it's actually a little better than I expected from what I'd been reading about the device for months.  I would like to know if others running Legacy 4.2.2 are seeing their device power off at relatively high percentages like 14.  This happening to anyone else?

That is normal and will happen in legacy or stock firm, jellybean or kitkat, it's the same.

Yep

Nope, it has a 100 percent, it's just the way android read the values.