Heading 8506
Cells and batteries; primary
850610
Cells and batteries; primary, manganese dioxide
850630
Cells and batteries; primary, mercuric oxide
850640
Cells and batteries; primary, silver oxide
850650
Cells and batteries; primary, lithium
850660
Cells and batteries; primary, air-zinc
850680
Cells and batteries; primary, (other than manganese dioxide, mercuric oxide, silver oxide, lithium or air-zinc)
850690
Cells and batteries; primary, parts thereof