Tim Ward wrote:


Yikes!

I don't see any other advantages for gliders over the standard
sealed lead/acid batteries, which are cheap and trouble free.



Well, Li chemistry batteries have much better performance when it's
cold than either lead, NiCd or NiMH. So that might be a consideration
for those flying wave a lot.

I wondered about that, but didn't happen across any temperature specs.
Do you have a link to one for these types of batteries?

This pilot's performance when he's cold tends to drop off faster than
his battery's performance, unfortunately! Maybe Li batteries would be a
better way to supply power to heated socks and gloves than the usual
alkaline or NiCd.


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Eric Greenwell
Washington State
USA