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I have a set of sylvania 2 way radios which came with rechargable AAA batteries(Peaceboy 550 mah, 1.2v Nimh). These batteries no longer charge, so I purchased AAA rechargable Nimh batteries to replace them, but they don't work, and I'm not sure why.

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5 Suggested Answers

vrc_tech
  • 109 Answers

SOURCE: Batteries won't charge on new cobra 2VP 270 radios

If radios are brand new then I would take them back to the store for warranty exchange. The other opton is to vist a local radio service center and ask the tech to jump the battery. if the battery falls below a certain voltage it might need a quick jump sart from a power supply with a higher voltage normally 12 volts works well...

Posted on Aug 20, 2008

beergut707
  • 79 Answers

SOURCE: initial charging time

hi there
the first charge should be around 12 hours, this then teaches the battery its max load.
ignore the charger if tells you its charged after a couple of hours.
after the first charge use as normal.

hope this helps

beergut707

Posted on Oct 09, 2008

  • 157 Answers

SOURCE: Midland rechargeable battery packs won't recharge and vibrate

Hello batterbum, from the info you listed you have the right battiers & charger, with alkaline the radios work leads to wrong or a bad batch of Ni-MH battiers. Vibrations from a battery pack states too much current being drawn for battery capacity. Note: depleting a battery and recharging with a charger will place the battery in a false full charge state. Recharging a depleted battery with a DC power supply with current limit can reboot the battery to a 90% cycle. I suggest returning battiers for correct replacements, if they are correct 'by the book' ask for the highest in mAhr specs. Please inform me of your outcome. Good Luck

Posted on Nov 07, 2008

  • 1 Answer

SOURCE: Re: Tevion Sound Wireless Headphones

CHARGE THE NEW AKUS IN ANOTHER CHARGER AND THEN USE THEM AS USUALY.
SEE THE CURENT SUPPORTED BY THE ORIGINAL GHARGER,
IF IT IS AT LEAST 100mA , IT SHOULD CHARGE YOUR NEW AKU ! BUT MAYBE THE CIRCUIT INSIDE TX DO NOT SUPPORT
AKUS BIGGER THAN 500mAh .
YOU SHOULD RESPECT THE SPECIFICATIONS GIVEN BY THE PRODUCER AND IT WILL BE OK !

Posted on Apr 19, 2010

  • 333 Answers

SOURCE: I have a problem with power on Olympus SP-550UZ

Try using regular batteries. I did with my camera and seems I can go a lot longer on the regular batteries verses the re-chargable ones

Posted on May 16, 2010

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  • A Cobra 3850wx Radio requires 4x600mAh NiMH 1.2V AAA Part # GA-3ANH rechargeable batteries.
  • Not just any AAA rechargeable battery will charge in the unit.
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I need a new battery (BP-HP550-1 1/2.4V 550mAh) for my sony headset. Regular batteries will work (non-rechargeables and rechargeables) but I found that the cradle will not recharge the rechargables only...


Even though you can use regular AAA batteries (that you would have to replace often), there is a huge convenience factor with using the charging cradle that comes with the Sony headset. A solution I found was that I ordered some 550 mAh AAA batteries through Ebay (they came from England and cost me $8 total for four batteries). To make them work in the Sony headset you MUST use the bottom part of the plastic battery holder piece (all you need to do is peel off the BP-HP550-11 label and the bottom half of the plastic battery holder piece slips off of the Sony batteries). Then just slip in the new AAA batteries into the plastic battery holder bottom and then insert into the headset. The reason why you must use the bottom of the battery holder plastic piece is because the plastic piece pushes on a little switch. This switch activates the charging mechanism to enable the cradle charger to charge the batteries.

NOTE: I am not an electronics expert so I do not know if there would be any problem using other rechargeable AAA batteries (with higher mAh ratings). So I decided to be safe than sorry and ordered the 550 mAh batteries through Ebay.

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Will this charge 2450 mah battery?


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I need ni-cad battery specifications for Acoustic Research AW-721 headphones. I bought replacement ni-cads but they don't charge when the headphones are placed on the headphone cradle/charger.


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Sony batteries BP-HP550


Even though you can use regular AAA batteries (that you would have to replace often), there is a huge convenience factor with using the charging cradle that comes with the Sony headset. A solution I found was that I ordered some 550 mAh AAA batteries through Ebay (they came from England and cost me $8 total for four batteries). To make the charging cradle work with the new batteries in the Sony headset you MUST use the bottom part of the plastic battery holder piece (all you need to do is peel off the BP-HP550-11 label and the bottom half of the plastic battery holder piece slips off of the Sony batteries). Then just slip in the new AAA batteries into the plastic battery holder bottom and then insert into the headset. The reason why you must use the bottom of the battery holder plastic piece is because the plastic piece pushes on a little switch. This switch activates the charging mechanism to enable the cradle charger to charge the batteries.

NOTE: I am not an electronics expert so I do not know if there would be any problem using other rechargeable AAA batteries (with higher mAh ratings). So I decided to be safe than sorry and ordered the 550 mAh batteries through Ebay.

Jul 27, 2010 | Sony MDR-RF960RK Consumer Headset

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Even though you can use regular AAA batteries (that you would have to replace often), there is a huge convenience factor with using the charging cradle that comes with the Sony headset. A solution I found was that I ordered some 550 mAh AAA batteries through Ebay (they came from England and cost me $8 total for four batteries). To make the charging cradle work with the new batteries installed in the Sony headset you MUST use the bottom part of the plastic battery holder piece (all you need to do is peel off the BP-HP550-11 label and the bottom half of the plastic battery holder piece slips off of the Sony batteries). Then just slip in the new AAA batteries into the plastic battery holder bottom and then insert into the headset. The reason why you must use the bottom of the battery holder plastic piece is because the plastic piece pushes on a little switch. This switch activates the charging mechanism to enable the cradle charger to charge the batteries.

NOTE: I am not an electronics expert so I do not know if there would be any problem using other rechargeable AAA batteries (with higher mAh ratings). So I decided to be safe than sorry and ordered the 550 mAh batteries through Ebay.

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I bought KODAK NiMH 2400 mAh and it isn't rechargeable when I recharge it it jus work for few minutes.


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