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Author Topic: So far, NiMH Batteries are working just fine  (Read 4722 times)

jim

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So far, NiMH Batteries are working just fine
« on: September 04, 2004, 06:39:20 PM »

I charged up a pair of 1800 mA NiMH batteries
and placed them in a door switch. So far, no
problems.

Jim
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Tom J.

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Re: So far, NiMH Batteries are working just fine
« Reply #1 on: September 04, 2004, 07:25:45 PM »

Not a good idea! they won't stay chared over
about a month, good alkaline batters are so
cheep now Walgreens for example has a 8 pack
of Energizers for only 2.50! do your self a
favor and get rid of the NIMH it's not worth
it, a good set of e2 batters could last for
years!!

Tom j.
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  • Guest
Re: So far, NiMH Batteries are working just fine
« Reply #2 on: September 09, 2004, 01:29:53 AM »

What do you mean they wont stay charged? I
use them in my digi camera, and sometimes its
been 4 months between use, and they still
work. Digi cams are known for eating
batteries. All my experiences with NiMH
batteries have been double the power compared
to Copper tops.
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  • Guest
Re: So far, NiMH Batteries are working just fine
« Reply #3 on: September 09, 2004, 01:36:17 AM »

I just wanted to mention I never had a
concern about them holding a charge. It was
the 1.2 volts I was worried about. I was
worried the base unit would detect a 1.2
voltage and think the batteries were going
dead. NiMH batteries are a far cry from the
older NiCad's. The ONLY AA battery I consider
up-to-date with the new NiMH is the Lithium-Ion.
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don

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Re: So far, NiMH Batteries are working just fine
« Reply #4 on: September 12, 2004, 01:05:24 PM »

http://www.thomas-distributing.com/maha-
educate-batteries.htm

Q: I have not used my NiMH batteries in
several months and they are not holding
their charge. How can I fix this?

NiMH batteries will self-discharge if left
unused. Generally, within 30 to 60 days,
batteries will become completely drained.
When using them, you will need to first
recharge them. After extended storage, you
may need to condition (using the
conditioning feature on PowerEx chargers
like the MH-C204F) the batteries several
times to regain nominal performance.

Q: I plan to use the MAHA NiMH batteries as
a backup power. How long will they hold
their charge?
This is commonly referred to as the "shelf
life" of batteries. For MAHA NiMH batteries,
the shelf life at room temperature is about
70 to 90 days (for those who are a bit more
technical, take a look at the charge
retention curve). If you are seeking for
longer shelf life, you may wish to consider
alkaline or non-rechargeable lithium
batteries, which are commonly used for
memory backups.

I appologize if this is a duplicate.
I attempted to post it once, but it's not
showing up....
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  • Guest
Re: So far, NiMH Batteries are working just fine
« Reply #5 on: September 12, 2004, 05:58:51 PM »

I've never had a problem, so I dont know what
to tell you. My Digi cam is a Minolta Z1. I
have left the batteries in it for months at a
time and had no problem. BUt, at any rate, I
had already purchased NiMH for all the
sensors and motion detectors. I guess time
will tell.

Jim
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jim

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Re: So far, NiMH Batteries are working just fine
« Reply #6 on: September 15, 2004, 04:50:11 PM »

Ok, I'll eat crow on this one.
Had my first sensor report low battery after
only 1 week. This is using a new 2250 maH
NiMH battery.
Also, my Furnace/AC electronic temp control
just warned me of low battery. I put some
NiMH AA in that about 2 months ago. It should
have lasted 6+ months easy.

Tom and Don...You guys rule. It is weird how
my Minolta Z1 Digi-cam works great after
sitting for months. Oh well, so much for
trying to save the ecology, back to Alkies I go.

Jim
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