On Sun, Jun 19, 2011 at 1:08 AM, Sean Breheny wrote: > I think you are over-complicating this. I think so too =3D\ Being on this list long enough, I know someone's going to eat my brains out unless everything is perfect under every circumstance. > You can parallel Lithium Ion > cells as long as you make sure that they are well matched (i.e., same > exact type and perhaps from the same manufacturing batch), are always > kept at roughly the same temperature while connected to each other, > Yes, sir! Can do! > and that they are charged to the same level before you first connect > them. After this, they will track each other very well and there will > not be significant current between them. That sounds good! I'll do that! Current schematics: Main: http://solarwind.byethost7.com/snip1.png Solid state relay (SSR): http://solarwind.byethost7.com/snip2.png --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .