100pcs 18650 Li-ion Battery Insulation Gasket Barley Paper Battery Pack Cell hollow Insulating Electrode Insulated Pads

18650 lithium-ion battery cathode hollow flat head insulation pad surface cushion
insulated green shell paper, insulation, shock, heat insulatio
Model: 18650/18500 lithium battery
Characteristics: back with glue (with sticky)
Use: 18650/18500 lithium battery