vovachan,
I read somewhere that the weight saving by going for a Lithium-ion battery system instead of a NiCd system on the A350 project is 180 lbs/82kg.
Furthermore, the NiCd system would occupy twice as much space.
I guess that the figures for the B787 are more or less the same.
Last edited by grebllaw123d; 10th Feb 2013 at 21:06.