Question about Jabra BT500V Wireless Headset

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Unit will not charge. Red light just flashes

I have a Jabra BT500v. It's about Year and a half old. I had placed it in my desk drawer last year and took it out last night to charge it up. The red light just flashes after 24 hours on the wire. No charge at all. Any suggestions? Thank you Doc Davis

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  • vdavis312007 May 10, 2009

    Thank you. If I can figure out how to open this little devil, I'll give it a try.

    Doc Davis

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I had a similar problem with two new units.
Pressing the pairingbutton and de on/off button at the same time, while the unit was on the charger, solved the problem for one of the two.
The other still wouldn't charge.
On this one I had to do the same, but for a longer period (2 minutes at least). This solved the problem on this one too.

Posted on Jul 04, 2009

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Unfortunately the little lithium cells that they put in headsets have to have some charge left in them to communicate with the charging device if they go completely flat they will not take a charge. I've heard of people jump starting them with a 1.5 volt AA cell and two wires, but you have to be able to get to the battery first. If you can connect the plus to the plus and the neg to the neg for at least 2 minutes then try with the charger again. Otherwise just replace the battery. I just replace the batteries but I see alot of people on these forums praising the jump start method so I threw it in. Good Luck!

Posted on May 10, 2009

  • rjbeg123 May 11, 2009

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Hi there,My girls Razor E300 is a year old wont fully charge...


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Make your Lithium Laptop Battery last longer.


Hello folks,

Although I usually offer advice on backing up files or recovering them, I have been asked a lot lately how my 3 year old laptop still runs 1:45mins on a standard battery when many peoples 1-2 year old laptops can barely last an hour.

Simply put, most people do one of two things wrong. Both are common misconceptions and easy to remedy. First I've heard countless people tell me they pop the battery out of their laptop and toss it in the desk drawer until needed, often months. Second I have been told by more people than I can count that they leave their laptop plugged in 24/7 for most of the year.

Bottom line, although popping it out and leaving it in the drawer is less harmful to it's lifespan, both ideas are wrong.

The shelf life of most unused lithium batteries is shorter when unused than ones being used properly. The lifespan of a battery that is constantly being trickle charged is even shorter.

Most batteries in modern laptops are 4-6 cells, designed to give about 2 hours of charge and should last 3-5 years with charge life starting to degrade in the third year.

A "stored battery" has only 3 years of shelf life due to extended times sitting discharged and one that is trickle charged 24/7 may burn out in as little as a year.

Many laptop manufacturers have taken measures to improve this but ultimately the best thing for your battery is to use it. If you currently run you laptop plugged in 24/7, unplug it every night after you shut it off, then when you start it in the morning, let it run an hour before plugging it back in. This will give the battery both down time and exercise.

If your battery is in a drawer somewhere for safe keeping, put it back in the laptop, run it down then charge it over night and run it down then recharge it one more time. Store it back in the drawer charged and repeat the cycle at least once a month.

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Crankstart

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1 Answer

How to pair jabra bt500v to a blackberry curve


Hi,


Paring the JABRA head set to Mobile phone


1. Turn headset off. Press and hold until solid light comes on.
2. Activate Bluetooth on your phone.
3. Search for Bluetooth devices and select Jabra BT500V.
4. Press ‘OK’ on the phone ,If the phone asks for a PIN then confirm with PIN code 0000 (4 zeros)


Thank you

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If the red light is not turning on, then the mouse is in fact defective. There is little to repair physically with optical mice, or mice in general. If you've ensured that the mouse has new batteries (not just old ones from out of the desk drawer that were new last year) and it is completely lifeless, I would say it's defective and should be replaced.

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I have a brand new one with the same problem I contacted Jabra Support in AU on 1800 636 086 They advise that it is dead batery if yeaft for a very long time with out charge the batery will die and will not charge.

If its under waranty they will advise to send it back to them and repalces it with a new 2008 model.

Another isssue is look at the date, on the side of the box. My brand new one said 20/07 indicating it had been on the shelf 1 year before it was shipped.

Hope this helps

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To jump start the headset, connect the power lead and the LED will be flashing red. now press and hold the power and BT pairing buttons. The LED should change to solid red.
I found that holding both buttons for about 3-5 minutes allowed the battery to get enough charge to start charging and you can release the buttons and the headset will continue to charge.
If the led starts flashing again, just repeat the process again.
Hope this helps...
Baz

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1 Answer

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From the sounds of this.. It's all due to bad keying of the polarized charging plug. The solid red light PROBABLY means you're battery is pretty darn dead. It'll need a new battery(not worth the cost imho. get a new jabra, and be happy once again) At a certain low voltage, the red light starts blinking. when it drops below the preset threshold, it will shut off completely. If it sits too long at this discharged rate, the battry WILL self-terminate. If the voltage drops below a certain level, it's ruined. Also note, most Li-ion cells will only last a few years. 2-3 years of "full power" is usual. Mine's 2 years old(steady usage), and showing signs of it's age.


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"Doesn't anyone from the Jabra manufacturer check this site?"

NO (especially not for discontinued products)

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