On Wed, Nov 12, 2014 at 04:13:30PM +1300, RussellMc wrote: > On 12 November 2014 14:24, James Cameron wrote: >=20 > > Interesting things may happen if the identifier is wrong; 'cause we > > support NiMH as well as LiFePO4. >=20 > That I knew, but: >=20 > > We're adding LiPoly now. I've been busily testing samples. > > > > http://dev.laptop.org/git/users/rsmith/ec-cl4_ras/log/?h=3Dlipoly > > > > is of interest. >=20 > Why add LiPoly? BYD EOLed the OLPC LiFePO4 battery. We weren't able to find a replacement LiFePO4 manufacturer for the size, at the right price for our volume. > Do you expect to achieve the same cycle life? (published as 2000 > cycles in your specs) Pass. Interesting question. > Is whole of life cost per energy stored superior? Pass. Uninteresting question for the moment, but may become interesting. > Any problems with the LiFePO4 that contribute to this? Availability. > You were using BYD for LiFePO4. Still? Yes. > Any specific LiPoly manufacturer? The pack manufacturer is Simplo. > Other? ;-) --=20 James Cameron http://quozl.linux.org.au/ --=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 .