And NiCads have memory.

Martin

Jim Wilkins wrote:
On Mar 29, 12:31 am, wrote:
...
Wonder if Edison cells would have a market these days? Railroads used
them in a lot of high-reliabiity, low-maintenance roles.

Stan

Nickel-iron cells are available, but look at the price:
http://www.beutilityfree.com/content...4&It emid=129
I can buy deep-discharge lead acid batteries for 1/10 of that.

NiCads are too hazardous for DIY construction.
http://en.wikipedia.org/wiki/Cadmium_poisoning

jsw