I had been thinking between lithium and lead as well. It seems most of
the lithiums are small cells and require a BMS. So it seemed NiMH
wouldn't be too much worse (and maybe better) in comparison. I presume
NiMH falls in between lithium and lead in weight. I don't need a huge
battery pack (so I think) and the NiMH didn't look to crazy. But there
must be reasons it's not being used. I figured I'd need 150 cells and if
they have to managed individually that is a problem.
Just thinking out loud.
- SteveS
damon henry wrote:
NIMHs are totally off my radar, because as you said, the right size
cells are unobtainable. They are also tough to charge correctly
especially when you have to parallel them all together to get the
correct size pack. If you want expensive lightweight batteries the
clear choice is lithium, especially for a motorcycle. Lugging around
a bunch of lead is still the easiest solution with the lowest up front
costs.
damon
------------------------------------------------------------------------
> Date: Tue, 10 Jun 2008 09:39:01 -0400
> From: [EMAIL PROTECTED]
> To: listserv@electricmotorcycles.net
> Subject: [ElectricMotorcycles] NiMH
>
> Pondering batteries for the EM conversion and looking at NiMHs. It's a
> shame that the bigger sizes are being held off the market, but some
> decent D cells seem to be available with tabs. Price isn't too awful.
>
> I looked thru the EV album and it seems NiMH show up in scooters/bikes
> and jumps up in size to the cars (Prii, etc) that use unobtainable
cells.
> So, what's the take on NiMH for a real street-sized EM ?
>
> - SteveS
> (still working on the BMW conversion)
>
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