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Old June 17th, 2005, 08:42 AM   #1
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Rechargeable 9V batteries?

Anybody using rechargeable NiMH 9V batteries in their wireless systems?
How is it working for you?
I would like to get some since I am sick of buying brand new akalines every week.
Any & all comments will be appreciated.

Thanks
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Old June 17th, 2005, 10:03 AM   #2
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I have tried an 8.4 V "9" V rechargeable; not good with Sennheiser untis. The battery votlage drops pretty fast - I could sometimes only get 1 hour of service. These also did not fail gracefully - one had no warning that the charge was dropping. I unerstand there are 9.6 V versions available now, but have not tried them.
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Old June 18th, 2005, 07:27 PM   #3
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I'm using Tysonic 9v NiMH batteries from Thomas Distributing and get about 3 hours of useful life on a Lectrosonic VHF receiver and 4 hours on the Lectrosonic transmitter. Not bad. Just gotta keep an eye on the time.

http://www.thomas-distributing.com/9..._batteries.htm

There's a multiple charger available that will charge up to 10 batteries at a time, too.
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Old June 19th, 2005, 07:20 PM   #4
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nimh blows akalines away... much better charge density.

aa-sized nimh's are really cheap now because of the digital photography guys, don't know about nimh in the 9-volt package size, tho.
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Old September 29th, 2005, 12:53 AM   #5
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Link to other thread "NiMH for wireless mics "

Be sure to check out this thread on 9V's for wireless mics.
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Old October 4th, 2005, 07:27 AM   #6
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Quote:
Originally Posted by Gints Klimanis
Be sure to check out this thread on 9V's for wireless mics.
what thread?
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Old October 4th, 2005, 04:59 PM   #7
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Try this link :

http://www.dvinfo.net/conf/showthrea...+wireless+mics
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Old October 17th, 2005, 06:36 PM   #8
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NiMH & Wireless (radio) microphones

I have done some extensive testing of NiMH batteries with Sennheiser, AKG & Sony wireless mic's. The results can be viewed on my website at http://www.soundandmusicco.com/nimh.htm

Last edited by Vinny Osborne; October 17th, 2005 at 06:38 PM. Reason: HTML did not work correctly
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Old October 18th, 2005, 06:42 AM   #9
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Quote:
Originally Posted by Vinny Osborne
I have done some extensive testing of NiMH batteries with Sennheiser, AKG & Sony wireless mic's. The results can be viewed on my website at http://www.soundandmusicco.com/nimh.htm
Thanks Vinny for sharing your efforts.
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