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Mike, Also I use the Sirius Pro Charger which is compatible w/ nimh
batteries. You need to be able to slow charge them at C/10 the first
time or two with a slow charger to get them to come up to rated
capacity. Never had a hint of even a warm battery with the Sirius fast
charger though, and have used it exclusively after the 2nd slow charge.<br>
Chris<br>
<br>
Mike Hester wrote:<br>
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<div><font face="Arial" size="2">Thanks for the feedback, guys. I'm
probably going to replace my nicads with NiMHs, any specific
suggestions, brands, places to get, chargers, etc?</font></div>
<div> </div>
<div><font face="Arial" size="2">Thanks,</font></div>
<div><font face="Arial" size="2">-Mike</font></div>
<div> </div>
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<div
style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-stretch: normal; font-size-adjust: none;">-----
Original Message ----- </div>
<div
style="background: rgb(228, 228, 228) none repeat scroll 0%; -moz-background-clip: initial; -moz-background-inline-policy: initial; -moz-background-origin: initial; font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-stretch: normal; font-size-adjust: none;"><b>From:</b>
<a title="tkeithb@comcast.net" href="mailto:tkeithb@comcast.net">Keith
Black</a> </div>
<div
style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-stretch: normal; font-size-adjust: none;"><b>To:</b>
<a title="discussion@nsrca.org" href="mailto:discussion@nsrca.org">discussion@nsrca.org</a>
</div>
<div
style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-stretch: normal; font-size-adjust: none;"><b>Sent:</b>
Saturday, May 08, 2004 7:32 PM</div>
<div
style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-stretch: normal; font-size-adjust: none;"><b>Subject:</b>
Re: NiMH batteries, specifics</div>
<div><br>
</div>
<div><font face="Arial" size="2">NiMH batteries are terrific for
our use. They are lighter per mah than the NiCads, memory isn't an
issue so they don't have to be completely discharged like NiCads
(though I do a full cycle periodically just to check capacity), and
they don't loose their charge as quickly as NiCads while sitting
unused. </font></div>
<div> </div>
<div><font face="Arial" size="2">The only real advantage that I
know of for NiCads is in high current discharge such as powering large
electric motors. NiCads still seem have the edge in some cases here.
But for our use NiMH clearly is a better choice IMO. You'll also hear
that NiCad batteries can be rapid charged more quickly than NiMH. This
is probably true to some degree, however, this doesn't mean you can't
rapid charge NiMH's, they just require different peak detection
(supported by practically all modern chargers) and the charge should
probably be more conservative. Even with this you can still charge them
quite rapidly.</font></div>
<div> </div>
<div><font face="Arial" size="2">FYI, there were some problems
experienced with the early NiMH cells and this turned off many people.
My guess is that those who still prefer NiCad over NiMH were aware of
these early problems and are not aware how good the improved NiMH
batteries are. </font></div>
<div> </div>
<div><font face="Arial" size="2">Keith Black</font></div>
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<div
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Original Message ----- </div>
<div
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<a title="kerlock@comcast.net" href="mailto:kerlock@comcast.net">Mike
Hester</a> </div>
<div
style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-stretch: normal; font-size-adjust: none;"><b>To:</b>
<a title="discussion@nsrca.org" href="mailto:discussion@nsrca.org">discussion@nsrca.org</a>
</div>
<div
style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-stretch: normal; font-size-adjust: none;"><b>Sent:</b>
Saturday, May 08, 2004 2:55 PM</div>
<div
style="font-family: arial; font-style: normal; font-variant: normal; font-weight: normal; font-size: 10pt; line-height: normal; font-stretch: normal; font-size-adjust: none;"><b>Subject:</b>
NiMH batteries, specifics</div>
<div><br>
</div>
<div><font face="Arial" size="2">Ok, I'm sure we're all
intimately familiar with nicads, and lately, we've become all too
familiar with lithium-ions and lithium polymers. (If I never hear about
another lithium battery, it'll be too soon).</font></div>
<div> </div>
<div><font face="Arial" size="2">What I'd like is some detailed
specifics regarding the red headed stepchild of the battery world, the
Nickel Metal Hydride.</font></div>
<div> </div>
<div><font face="Arial" size="2">What's the deal with it's
performace at low temps? What temps are we talking here?</font></div>
<div> </div>
<div><font face="Arial" size="2">What's the scoop on fast
charging, rates, overheating, etc?</font></div>
<div> </div>
<div><font face="Arial" size="2">I'd like some experienced
opinions on this.</font></div>
<div> </div>
<div><font face="Arial" size="2">Thanks,</font></div>
<div><font face="Arial" size="2">-Mike</font></div>
<div> </div>
<div> </div>
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