Question about Jabra BT250 Consumer Headset

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I can't get the Jabra to charge up, when I placed it in the charger it flickerd blue but that was all.

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Means its fully charged and cant hold any more charge

Posted on Oct 01, 2010

  • bernice_beha Oct 01, 2010

    Don't think its fully charged as it won't even switch on, just bought this off ebay brand new in box? Thanks anyway

  • Simon Swales
    Simon Swales Oct 01, 2010

    Could be a broken one what wont hold charge send it back for replacement or refund under ebay sellers protection policy

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Not turning on. Blue light flashes then turns off


Fixing a Jabra with charge problems, demonstrated by the LED just flashing once when placed in the docking station/charger..
When my Jabra stopped charging after lying several months unused in a drawer, I looked around on the internet for a way to get it to charge again. All the methods to recover the battery that I read on the internet are probably dangerous for both the Jabra and the user. So here is a relatively safe and tested way to recover the battery.
Please note, Jabra does not supply any spare parts, there are none.....so fix it or throw it in the trash.
Its a good idea to charge them every 3-6 moths, to stop the problem ever happening to you.
I know this fix I will describe here works on both a Jabra 200 and a 250. I would expect it also to work on the 250V as well, though I have not had a problem with mine up to now.
Some other Jabra models, especially if they demonstrate the same problem as defined in Problem definition below with the indicator LED, may also be recoverable in the same way. Its worth trying.
Don't forget that all Jabras are designed as "throwaway", never to be repaired....that is probably true of most if not all Bluetooth headsets....Jabra models 200 and 250, I find to be the most comfortable ones to wear for long periods, whilst driving for example.
Problem definition.
First let me define the problem for you. If the battery in some Jabras (I cannot say all as I don't know if that is true), gets too deeply discharged by non useage, the charger will not recharge it. The indication that this is the problem is also easy to checkout, just stick the charger in a wall socket, connect the docking station and while watching the indicator LED on the Jabra, slip the Jabra into the docking station. If the LED just blinks once, you have the discharged battery problem. Probably fully recoverable if you are good with your fingers and have some knowledge of electrics or electronics.
Problem fix.
The only way to get the charger to restart, is to get the battery charged to at least 3 volts (its a 3.7 volt battery).
The best and safest method is to get hold of a lab power supply with adjustable voltage and current. I set mine to a fixed 3.7 volts and maximum of 300 milli amps. If you do not have access to such a power supply, look further down this article for a method using either 2 or 3 dry batteries, depending upon the type of battery and the terminal voltage available.
You will also need a voltmeter for either method.
Method
Remove the tiny crosshead screw that holds the Jabra togetherand gently and very slowly pull the headset apart, the wires are easily damaged, are very short, fragile and difficult to repair if you break them.
The Battery is obvious, but how to get to the contacts is not that easy. Carefully slip the battery out of its location and peel away the insulating tapearound the top end where the charger PCB is also mounted.
Identify the + and - of the battery either by either looking at the label (usually on the other side of the battery to the connections) or by measuring the voltage still on the battery and at the same time identifying which pole is the plus. Mark it. Usually a problem battery will have around 2.3 to 2.4 volts or less....
Apply the voltage/current that I detailed before from the lab supply (Plus to Plus, minus to minus) and watch the current meter on the Lab power Supply unit, it should go slowly down as the battery charges up. Stop charging for at least 10 seconds after 1 minute or less, constantly check battery temperature at the same time with a spare finger. If the battery starts warming up. STOP CHARGING. Let the battery cool down.
Always wear protective glasses in case the battery explodes.
Measure the battery voltage from time to time and once it is over say 3 volts, stop charging and attach to the docking station and see if the charger will now charge properly. If not, charge for another minute or so.
If it charges properly,carefully put the Jabra back together and continue charging.
First charge cycle after "Repair".
The first full charge after such a repair may take up to 12 hours before the LED finally goes out, even though a "normal" charge will generally only take 2 hours. This demonstrates clearly how run down the battery really is/was....
Another method to recharge the Jabra Battery for those without a Lab power Supply.
Connect 2 x 1.5 volt (NOT 1.2 volts cells as they will not charge correctly) together, or 3 x 1.2 volt cells together and use them to charge the Jabra internal battery with.
Monitor voltage and battery temperature constantly, till the battery voltage is above 3 volts, then try the normal charger as before. Do carefully iIdentify the positive and negative sides of the battery and apply the battery positive to the + side of the battery. The other polarity to the - side of the battery.
Take your time when charging and monitor both the battery voltage and its temperature carefully.
A series resistor may be used to keep the maximum current to a set maximum....say 10 or 20 Ohms.

May 29, 2013 | Radio Communications

1 Answer

My earpiece wont charge i just opened the box and the blue light flickers once and it wont charge


Your charger could be bad. Headsets do not usually show any sign they are charging. Leave it for 2 hours on charge then check the charge level as it shows in the owner's manual.

Mar 30, 2010 | Jabra BT250 Consumer Headset

1 Answer

An old headset I had would flash blue and orange when it was in discover mode, ( so the cell phone would find it to pair it up). This jabra I have will not go there. My cell phone just says cannot find...


Hello friend,
First, make sure that your headset is charged and then press and hold the "Answer/end" button until that the light becomes blue solid. at this time you can do a search on your phone to discover bluetooth devices.
Here is the link to download the user manual for more information:
http://www.jabra.com/sites/Jabra/GNimages/Products/WirelessHeadset/BT350/Documents/BT350_UM_NA_EN_491.pdf
if the device doesn't light on at all, you may need to try with another charger because in this the device is not charged at all.
Best Regards,

Oct 30, 2009 | Jabra BT350 Bluetooth Headset Headset

1 Answer

Can't turn on ! no in structions w/ear peace. LG PHONE(chocolate) can't find ! BT150 Jabra ! I do'nt know wich buttons are what? how long it last, or when its charged ? H..E..L..P....!!!!


Go to the bleemin Jabra website! (http://www.jabra.com/Sites/Jabra/NA-US/Headsets/Pages/JabraBT150.aspx)


"When I put the charger on for the first time after purchasing and plugged it in there was just a quick blue flash but no lights came on ever."

This one is more fun. The charger that comes with the bluetooth WILL plug in 180 degrees from proper.
Symptom of reverse plug-in is usually a dull(VERY dim) blue glow and a high pitch whine. Depending on
the parts used in your production batch, one inverted plug-in could have popped something. Try rotating the plug 180 degrees, and seeing if the charging light doesn't come on(if it does, then you're good, if not, return for refund, or you're fubared)

Aug 11, 2008 | Jabra BT150 Wireless Headset

2 Answers

CHARGING My Jabra bt160


I think something's goofy with these headsets. I bought 2 of them recently (one for me and one for my g/f). Within a week or so, she told me hers just "died" - and she couldn't get the blue light to come on when it was plugged into the charger.

Mine acted dead too, just a day or so before she told me about her problem. On mine, I think I just held down the "volume down" button and the main button at the same time for about 15 seconds and it appeared to "reset" it. That apparently didn't work for hers, but oddly enough - after a few days, we plugged it into my charger and it started working again!

Dec 09, 2007 | Jabra BT160 Wireless Headset

1 Answer

Not sure if Jabra bluetooth headset or charger that not working


I had the same problem, called support, they told me battery is defective or too old and doesn't accept the charge. Battery in a headset is hardwired and can't be replaced, so the whole thing is trash :(

May 26, 2007 | Jabra BT250 Consumer Headset

2 Answers

Jabra BT150 No power


Make sure the charger is in right. If you put it on wrong you will get a faint blue light, when it is in right you will get a BRIGHT BLUE LIGHT. It WILL NOT charge if it is in wrong.

http://www.jabra.com/sites/Jabra/GNimages/Products/WirelessHeadset/BT150/Documents/User%20manual/BT150_UM_NA_EN_496.pdf
Link for manual

Mar 22, 2007 | Jabra BT150 Wireless Headset

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