Material

Stainless Steel 304 with the Aluminum coat:

· Aluminum-Clad on inside of the POSITIVE case (bottom part, larger, connects to the Cathode with Al Current Collector), to prevent electrolyte from reacting with steel during high voltage charging > 4.5V.

· Negative case (top part with insulating O-ring, smaller, connects to Anode with Cu Current Collector ): made of SS304, you may need to put Spring/Spacer in between this case and anode.

· Sealing Gasket: PP

Dimensions (Dia x Height)

20mm x 3.2mm