Copper foil copper foil for lithium battery. Thickness:9mircon, 10mircon,12mircon, 15mircon,20mircon.etc. Copper foilItemThe Name ... (no baggy or long edge), not tear or split in machine direction, uniform in color with no dark streaks.Note : N.T ... per the requirement of our customers. copper foil for EMI,Lithium battery,Power battery,PCB,CCL