18650 Cylinder Cell Case and Anti-Explosive Caps and Insulation O-Ring

18650 Cylinder Cell Case with Anti-Explosive Cap and Insulation O-ringIntroduction of 18650 cylinder case and caps  Cap   Cap with Built-in PTC ThermistorDimensions(Dia x Height)Case: 18mm(OD) x 17.5mm(ID) x 67mm(H)Top Cap: 17.5mm(D) x 4.05mm(H)Top Insulator: 12.5mm(D) x 0.19mm(H)Bottom Insulator: 12.5mm(D) x 0.19mm(H)MaterialsCase and cap made of  Nickel plated A3 steelSeal O-ring and spacer are made of nylon Weight 9.50 g/pcsNoteSafety valve's open pressure: 2.5MPa (the cap valve will open to release interior high pressure if over 2.5MPa to ensure no explosion from the can)  /* March 10, 2023 17:59:20 */!function(){function s(e,r){var a,o={};try{e&&e.split(",").forEach(function(e,t){e&&(a=e.match(/(.*?):(.*)$/))&&1