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#16 |
Inner Circle
Join Date: Jun 2003
Location: San Jose, CA
Posts: 2,222
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NiMH battery technology delivers a lower voltage. I'm wondering why the wireless devices would have more trouble with 9V batteries than other devices using AA batteries.
(voltage for alkaline / voltage for NiMH = voltage ratio) 9V batteries : 9V/7.2V = 1.25 AA batteries: 1.5V/1.2V = 1.25 Here's a table of what I could gather from the Energizer website. The latest 2800 mAh NiMH AA's are pretty much on par with their Alkaline brothers. The latest 1000 mAh NiMH AAA are 25% behind, while the latest 9V 170-200mAh NiMH are totally behind. Energizer batteries (Manufacturer didn't publish all numbers) Ordinary Alkaline 90 Photos? AAA 1250 MAh at 1.5V, 11.5g AA 2850 MAh at 1.5V, 23.0g C 8350 MAh at 1.5V, 66.2g D 20500 MAh at 1.5V, 148 g 9V 625 MAh at 9.0V, 45.6g e2 Alkaline AAA 1350 MAh at 1.5V, 11.5g AA 2900 MAh at 1.5V, 23.0g 9V 655 MAh at 9.0V, 45.6g e2 Lithium 630 Photos ????????? NiMH AAA 900 MAh at 1.2V, 13.0 g AA 2500 MAh at 1.2V, 30.0 g C 2500 MAh at 1.2V, 66.0 g D 2500 MAh at 1.2V, 73.0 g 9V 175 MAh at 7.2V, 42.0 g Last edited by Gints Klimanis; September 27th, 2006 at 09:24 PM. |
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#17 |
Inner Circle
Join Date: May 2004
Location: USA
Posts: 3,004
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good question about rechargeable for wired mics. I don't know the answer, I made a mistake in using rechargeable in wireless, now I only use alkaline for all my audio equipment that aren't built for NiMH. Haven't had the time or wanted risk trying NiMH.
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#18 |
Inner Circle
Join Date: Jun 2003
Location: San Jose, CA
Posts: 2,222
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Here's the update on PowerEx NiMH batteries . NICE! I guess Energizer is still loving sales of C, D and 9V non-rechargeable batteries as those are far behind.
AAA 1000 mAh at 1.2V AA 2700 mAh at 1.2V C 5000 mAh at 1.2V D 11000 mAh at 1.2V 9V 300 mAh at 9.0V (actually 8.4V?) 9V 230 mAH at 9.6V Note from PowerEx: Most commercially available 9V rechargeable batteries are only 8.4V and don't work well in paintball hoppers and many other applications. |
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