Keep your pet door working reliably with the High Tech Pet Products B12V-1.3 Rechargeable Battery for HTP Power Pet Doors.
Battery back-up, Power Pet Door (In Case of Lost Power) So in the event of a storm or heavy wind, if the power goes out, the door will automatically switch to battery mode and keep on working. Just snap it into the battery compartment of the door, and it will automatically recharge when the pet door is being powered by the AC wall adapter. Designed for use with the High Tech Pet Products PX-2 or PX-1 Power Pet Fully Automatic Pet Door, this heavy duty battery ensures that your pet can come and go as they please—even if there’s a power outage.