Patent ID: 8852775

Claim:
An industrial process field device, comprising: a housing that includes a wall with a feedthrough opening which extends between a battery compartment and an electronics compartment that houses industrial process field device electronics; a feedthrough connector that seals the feedthrough opening and that includes a power connector connected to the industrial process field device electronics, the feedthrough connector including a polarizing shell that surrounds contacts of the power connector that are accessible in the battery compartment; a battery assembly in the battery compartment, the battery assembly including a battery housing with a battery connector that includes a molded connector body that protrudes into the polarizing shell and electrical battery contacts that engage the contacts of the power connector in the polarizing shell, and including a battery and an energy limiter connected to the battery connector, the battery connector mating with the power connector to energize the industrial process field device electronics; and a seal that seals the mating connection of the polarizing shell and the molded connector body.