18650 Cylinder Cell Case With Anti-Explosive Cap And Insulation O-Ring

Specifications
Cap	Cap with Built-in PTC Thermistor for overcurrent protection
Dimensions (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)
Materials	Case and cap are made of  Nicke plated A3 steel Seal O-ring and spacer are made of nylon  Insulating gasket is made of PET
Weight	9.50 g/pcs
Note	Safety valve's open pressure: 2.5MPa (the cap valve will open to release interior high pressure -- if over 2.5MPa -- to ensure the can does not explode)