Question about HP iPAQ RX3115 Pocket PC

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Main Battery Power

I have an Ipaq rx 3115. When i got into my settings it lists my AC only has the main battery and the NIMH as the backup. It does show that my NIHM has 100% charge but it will not work when i unplug it from the AC plug in. Is there a way i can change my NIHM to the main battery and my AC to the backup.

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  • reddrob Aug 20, 2008

    I am have the same EXACT problem.

  • hieratic Sep 04, 2008

    Exactly the same problem. Does anybody know why this happens?

  • terrywhitehe Nov 17, 2008

    The main battery shows o% and the battery pack is 100% and as soon as I unplug the IPAQ everything shuts down (at least the screen goes dark) and when I plug it back in it reboots.

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  • 164 Answers

It cannot switched the batteries. The backup one is a small internal battery just to keep the CMOS with data. That's it.

If you main battery is not charging or when unplugged won't power on, the is likely the main battery is defective, or the charging circuitry of it is failing.

Best regards,

Posted on Jul 24, 2009

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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

HOW TO CHANGE OR CHARGE THE BACKUP BATTERY?


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

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

1 Answer

Back battery bad


There are two batteries. main and backup battery

the below video shows how to replace the backup battery, V6HR , of your hp ipaq hx4700

http://www.repairhppda.com/video/Repair-for-HP-iPAQ-HX4700-HX4705-backup-battery-replacement-guide-V6HR.html

Nov 26, 2008 | HP iPAQ HX4700 Pocket PC

1 Answer

Backup battery


The backup battery exists to protect your data when the main battery dies. It only has enough power to keep the internal memory 'alive' so you dont lose your files, settings etc.

When the backup battery dies it should be replaced as soon as possible, as the main battery will power the internal memory only while it has charge. Should the main battery die it would be like performing a hard reset.

Jun 16, 2008 | HP iPAQ hw6515 Pocket PC

1 Answer

Low Battery DATA Lose - HP iPAQ Model h5450 Packet PC


The h5450 comes with what HP calls a backup battery. It is built into the device and not accessible by the user. However, the backup battery has only enough juice to power the Pocket PC for a few minutes while you change main batteries. Don't expect it to keep your RAM data alive if the main battery runs out.

Mar 12, 2008 | RIM BlackBerry Pearl 8100

1 Answer

Battery backup related


Most of your data (phone directory, calendar etc) is stored your pda's ram. If your LiON battery runs flat , the pda wont start up, your backup battery kicks in to preserve the data. If your NiMH battery runs flat, you will loose all data in the phone or the equivalent of a hard reset.

Nov 29, 2007 | HP iPAQ h6315/h6365 Pocket PC

3 Answers

Back up battery


 recharge the battery by connecting the HP iPAQ to AC power using the cradle or the AC adapter or insert a fully charged battery into the HP iPAQ.

Oct 07, 2007 | HP iPAQ hw6515 Pocket PC

3 Answers

Ipaq RX 3115 Stops at align Screen


solia, I'm sorry, I didn't mean to close the chat session on you.
Is your unit still under warranty? If so, check with the manufacturer.
They can help.

Mike

Sep 27, 2006 | HP iPAQ RX3115 Pocket PC

1 Answer

Charging


If it's completely dead USB probably can't do it at all. There's a voltage threshhold, and USB only puts out about half the voltage needed to get over it. USB usually won't manage when thenbattery's below 30%. Try connecting the iPaq directly to the AC adapter.

Sep 11, 2005 | HP iPAQ RX3115 Pocket PC

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