Question about Audiovox PPC 4100 Pocket PC

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BATTERY My PCC 4100 Pocket PC device is displaying "no backup battery!". I have charged the device for more than 8 hours but the situation is the same. It was working perfectly until some few days ago. Please what should I do?

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GreetingI have the same problem. - device is displaying "no backup battery!"

Prompt, where I can order new backup battery and as it correctly to instal.

(I live in Russia and here there is no authorised service centre Audiovox and consequently it is necessary to do all most)

Posted on Aug 10, 2009

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It's the inside battery. The backup battery has been depleted. So you need to replace it. It can be charged, Only replaced. Now I prefer you to make a hardware reset. If you still have that message. then the battery is the problem.

Posted on Mar 26, 2007

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I have replace my main battery and it showing 100% charge but I am facing bit trouble.My( PDA HP IPAQ 6365) battery not giving standby. what is backup battery? It is showing 0% charge? please help

The backup battery is not user replaceable. If you have some electronics experience you could open the device and replace it yourself but it involves cutting out the old battery and soldering in a replacement. An easier solution is to take it to a phone repair shop and get a quote to replace the battery, probably around $ 60. They may even give you a 3 month warrantee.

Apr 06, 2011 | HP iPAQ h6315/h6365 Pocket PC

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Backup battery

its in the back of device a slight curved flap is given just lift that flap and its there.

Sep 18, 2008 | Dell Axim X30 Pocket PC

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Won't stay charged

you might need to replace:

A. the main Li-Ion battery

B. the backup Ni-methal battery.

or maybe C, fix your battery cover.

that's it! great device btw..!

Aug 28, 2009 | HP iPAQ H4150 Pocket PC

1 Answer

How do I prevent loosing data when my battery discharges

Hi. Actually, on pocket pcs there's a backup battery onboard, but in your case maybe backup battery is dead. So you can have that changed or you can charge your PDA on regular basis. Hope this helps.

Jun 28, 2009 | Toshiba e355 Pocket PC

1 Answer

IPaq rx3115 working like PC not Pocket PC, need to plugin always

You need to purchase a new removable battery for your RX
The removable batts usually only last about a year (like cell phone batteries).
Although it is showing 100% charge, the battery is not storing enough power to run the ipaq

The rx series uses 2 batteries, one is the removable one u can see/access when u remove the back cover. The other batt is a small round batt which stores the basic info for your system (so you don't lose your data when u swap out the removable battery).

This small (backup) batt is similar to the cmos battery on a laptop or pc.
You cannot easily replace this, as the unit needs to be disassembled to access this batt.
If you are tech-y (and brave), the replacement button batteries are sold on ebay for $9-12

Normally, if your removable batt is bad, you could still use your unit plugged in, and could
remove from AC power without losing data. Not the case if your replaceable batt is exhausted.
When both batteries are bad, you lose everything when u remove unit from AC power.

My workaround without having to disassemble unit:
Purchase and fully charge new removable batt (They have huge capacity ones available for like $15 - better than the original !).
Load up all your programs & settings the way you like.
Perform full backup to SD card (& also on PC via active sync - to be safe)
Now the only time you should lose your data (like hard reset) is if you allow the battery
to completely drain, in which case you can restore your backup.
If you purchase 2 removable batts, you can easily swapout without losing data if you
use the usb charge cable & leave ipaq plugged in while you change battery

Hope this helps

Jun 01, 2009 | HP iPAQ RX3115 Pocket PC

1 Answer

The phone is not recognizing the backup battery. can someone please help me on how to charge or replace the backup. battery

The backup battery is located inside the phone and canno be replaced by normal methods. the phone needs be disassembled and the battery are solded on the board.

the lifetime of these bateries are very high, maybe 5 or more years, and the charge occurs every time when you charge the phone.

Try to leave your phone charging for more than 3 hours, and if the battery dont charge, try a master reset on it.

If ater all, the battery dont charge, maybe you make some mistake or shorted some circuit. Take apart your phone again and re-check all the steps to reassembly.

Good luck

May 23, 2009 | i-mate JAM Pocket PC

1 Answer

Loox 710 will not turn on or charge, i have been charging the battery for over 24 hours, and still nothing, is there an internal battery and how to i get to it to change it

If you have the right charger with cable and can plug in at the bottom of the LOOX,then You can use the 710 WITHout removal battery (LiON). The internal backup battery
will charge then The internal backup battery is NiHm and will sometimes NOT recognized by WindowsMobile. check several times energy state in WindowsMobile
(green bar shows percentage). If you have craddle and charger you can try to charge removal battery in slot behind plastic shield.

If you not have the rigth charger try to lend a ASUS MyPal A serie (A632 aso) it will fit

Apr 04, 2009 | Fujitsu Siemens Loox 710 Pocket PC

1 Answer


y hp6365 keeps telling me that i my backup battery is low..i keep charging my phone but the only the main battery is do i charge or change the backup battery?

Feb 17, 2009 | HP iPAQ h6315/h6365 Pocket PC

1 Answer

Backup battery problem

Try this web site:

Sep 04, 2007 | Dell Axim X30 Pocket PC

1 Answer

Toshiba e800 perform hard reset after changing battery

At first you should assure that the backup battery is definitely charged. I suggest to charge the PDA a hole day without using.

Sep 08, 2005 | Toshiba e800 Pocket PC

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