RussellMc gmail.com> writes: >=20 > Catalog/brochure for Taiyo Yuden hybrid battery / capacitors. > These have been available since about 2010 AFAI. >=20 > http://www.yuden.co.jp/productdata/catalog/en/capacitor03_e.pdf >=20 > Useful capacity gain over 'conventional' double layer super caps. >=20 .... >=20 > The 40F has a sub AA form-factor. >=20 > http://www.yuden.co.jp/productdata/catalog/en/capacitor03_e.pdf >=20 > Russell >=20 Someone seems to think they are a viable alternative to AA batteries: https://www.kickstarter.com/projects/shawnpwest/30-second-charging-recharg= eable-battery Unfortunately it looks like he's suffering from He's suffering for "Solar Freakin' Roadway" syndrome; his numbers don't seem to add up. Mike --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .