Battery covers


Our battery covers have been used for lithium thionyl chloride and thermal batteries for more than 30 years. These Li-SOCl2 batteries provide an extremely reliable power source.

To be able to counteract the aggressive materials in this area of application, Electrovac developed battery covers with special types of high-quality glass. This guarantees an extremely low discharge rate and a temperature range from -65°C to +150°C. These quality products have a lifetime of up to 25 years.

We manufacture hermetic seals with steel as well as stainless steel covers in a variety of sizes, such as AA, C, D, DD and many more. Whether in mass production or in small quantity ranges for special projects (e.g. thermal batteries) – Electrovac provides flexibility and quality.

Glass feedthroughs for lithium thionyl chloride batteries serve as a long-lasting energy source for the following sample applications:




> tire pressure control
> engine control
> brake control


> electricity, gas, water meters
> automatic remote reading
> beacons
> buoys
> oil drilling
> electronic toll collection
> truck and container tracking
> radio alarm systems