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Rechargeable batteries. - Page 2

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Posted by Stephen Wolstenholme on October 8, 2009, 10:14 pm

On Thu, 8 Oct 2009 11:18:18 -0700 (PDT), harry

There are no inexpensive rechargeable batteries that are suitable for
lower power devices. They will need to be recharged every few weeks
and, as you have noticed, the voltage is often too low for some
devices. You can get suitable batteries but they are expensive.


Neural Planner Software Ltd                  www.NPSL1.com

Posted by Neon John on October 8, 2009, 10:57 pm

On Thu, 08 Oct 2009 23:14:42 +0100, Stephen Wolstenholme

Nope.  The Sanyo Eneloop and Eveready Hybrid low-self-discharge NiMh
batteries work just fine in low current applications. There's a set of
them in the wireless mouse that I'm using on this computer and they've
been there for the better part of a year.  There is another set in my
alarm clock and they've been there for around a year also.

The only problem one has to look out for is with devices that require
the full 1.5 volt open circuit voltage of alkaline batteries.  The
rechargeables, at 1.25 volts, won't work in these applications.


Posted by Stephen Wolstenholme on October 8, 2009, 11:12 pm

As I said "no inexpensive". IMO, the batteries you mention above are
expensive. The batteries in my alarm clock have been in for a least a
year and they are just plain AA. I can buy about 50 AA for the price
of a four pack of Sanyo Eneloop.


Neural Planner Software Ltd                  www.NPSL1.com

Posted by Josepi on October 9, 2009, 12:50 am

About a month before Christmas each year Walmart puts out packs of 48
Ray-o-Vac AA for $.88 Canuck.

The rechargable ones are not economical in certain usages.

Posted by Jim Wilkins on October 9, 2009, 12:02 pm

I bought bunches of AA Ray-O-Vac Renewals (1.5V) when they were
available and still get good service from most of them, as long as
they are recharged every few months. Some cells have lasted well over
10 years in low-drain clocks and remotes. They aren't as good in
flashlights and a full discharge kills them quickly.


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