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I want to replace the battery in a plantronics M2500 BT headset.

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  • williamdavid Aug 25, 2008

    always low batt my cellphone so i need to replace the battery please help me thank you



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At the side there should be a litle knob if you push it and open it ther is a place for batteries.

Posted on Mar 25, 2008


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How do u pair up a plantronics m2500 bluetooth head set to a mobile

For most Plantronics products, this passkey is 0000
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Aug 29, 2010 | Plantronics M2500 Wireless Headset

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I don't no how to connect my plantronics m2500

hey men i try too but just i need the pasword and i dont know what it is that is a big problem

Feb 05, 2010 | Plantronics M2500 Consumer Headset

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My m2500 headset keeps hanging up during use. How do I fix ?

If the battery voltage drops, the call will disconnect. Try charging the headset to full charge, and see if that fixes the problem.

Be aware that the NiMh batteries in your M2500 may be at end-of-life, and won't hold a charge as they should. If so, it's time to go shopping, or else, time to start soldering!

Feb 05, 2010 | Plantronics M2500 Consumer Headset

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Discoverable mode for plantronics

1.Turn on both devices (phone and headset)
2. Place the headset in pairing mode by holding the Call Control button (by the mic) down while rotating the Multi-Function Dial upward. Release the buttons when the Status Indicator begins to flash red then green.
3 Use your phon's menu to search for Bluetooth audeo devices and select M2500 by Plantronics when it appears on the display.

Jul 12, 2008 | Plantronics M2500 Consumer Headset

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Lost manual

Check this link;

Jun 13, 2008 | Plantronics M2500 Wireless Headset

1 Answer


Bad news: The battery in the Plantronics M2500 is NOT replaceable under ordinary circumstances. And unfortunately, this trend of non-replaceable batteries seems to be catching on with manufacturers, like with Apple IPods. But here it's even worse, because you can't even open the battery cover unless you're willing to DESTROY the case in the process!

But when my Plantronics M2500's batteries stopped taking a charge, I figured it was as good as destroyed anyway. So if you're a lunatic like I, and are DETERMINED to revive your dead M2500 rather than recycle this rather expensive bluetooth headset, it is possible -- though very difficult -- to replace the batteries.

First you have to find two 1/4 AAA NiMH batteries (10mmX14mm), preferably with solder tabs. These are not easy to find, especially when you just want two of them. So if you can't get these, this is the end of the story. But if you can get the batteries and have successfully soldered them together, you then "simply" (ha ha!) pry off off the battery case (under the dark gray rubbery stuff) by cracking the glue line and pulling it off.

Be sure to keep the mangled bit of plastic case that WAS covering the battery compartment. No, you can't use it again, but it will remind you never again to buy electronics with non-replaceable batteries.

Solder in your new battery pack, and see if the M2500 will charge up and then turn on. If it won't, THIS may be the end of the story. But if it does, congratulations! You have replaced the batteries! You're finished except you just have to figure out how to rebuild the case. I used epoxy clay, which can be molded into any shape, and then hardens into a rock-hard chunk of plastic. That works pretty well, but once you do that, you'll not be able to do all this again. Which may be a good thing. :-)

Jun 07, 2008 | Plantronics M2500 Consumer Headset

1 Answer

Plantronics m2500 bluetooth headset

Here is a link to the manual at

Here is a guide to pairing phones (use voyager 510, it is similar). The main thing is to put the headset into discovery mode.

Jun 01, 2008 | Plantronics M2500 Wireless Headset

1 Answer

Plantronics m2500

1. Charge it 4-7hrs 2. When ready, it must be light up either Green or Red when you PRESS IN on the Up/Dn Volume button 3. Press and hold the Answer button (on microphone boom) for 2-3secs, then Push IN and UP on the Up/Down Vol button'Light should flash Red/Green/Red/Green..... 4. Go to Phone, Enable Bluetoth and tell it to FIND new adapter/Devices 5. When it 'finds' M2500, punch in 4-zeroes (0000) and hit enter/Dial and it should connect 6. When connected, the 2500 will flash BLUE Thats it! If it will not charge up (light either RED or Green) the charger is bad, or the M2500 Battery is gone. I opened mine up and will (!) replace it eventually, but it is consisted of 2 tiny batteries, about 1/4 as long and same diameter as a AAA connected together. They measure 1.3v each, but I think this is SUPPOSED to measure 2.4v/4.8v total. To Open, you have to use force and pry it apart starting at the charger socket end. Go slow and it wont break.

Jan 28, 2008 | Plantronics M2500 Consumer Headset

1 Answer


Pairing This was the second Bluetooth device I?ve used, and I had the headset paired in under 60 seconds once I had deciphered the instructions in the manual. When you press the call control and multifunction control buttons on the headset simultaneously, the M2500 goes into pairing mode. The standard way to get the Treo to pair is to click on the Bluetooth icon and basically follow the prompts: Turn Bluetooth on, make the device ?discoverable,? click on ?set up devices? and then ?Handsfree setup,? and the Treo will find the Plantronics headset. Once you?ve set up one Bluetooth device, you?re a pro. The only thing you need to know is the combination of buttons that puts a device into pairing mode. However, with the Plantronics M2500, I discovered an even easier method. Simply power up the Bluetooth headset while the Treo is on and you will be immediately prompted for the passcode, four zeros, if the devices are not paired. How cool is that? It saves many steps.

Jan 28, 2007 | Plantronics M2500 Consumer Headset

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