lead acid c.w. supercapacitor

[mab]

These may be a good upgrade option for lead acid systems (if / when they become available):-

"The results are encouraging: The UltraBattery had a life cycle at least four times longer than conventional battery systems while producing some 50 percent more power. It also promises to be about 70-percent cheaper than the current-generation NiMH batteries. "

http://www.csiro.au/news/UltraBattery.html

http://nextbigfuture.com/2008/01/ultrab ... citor.html

mab