CABLE & SPOOL ASSEMBLY FOR POWER PET DOORS MS-5 with Deluxe Strap & Boot while the 2nd battery is

while the 2nd battery is operating the Power Pet door

Armor Flex® Low-E Patio Pet Doors

Just snap it into the battery compartment and your Power Pet door will remain functioning in the case of a power outage The backup battery automatically recharges when the Power Pet door is powered by its AC wall adapter

New B3V1A Lithium Battery 12-Pk

Just install the battery once and never worry about power outages or battery charging again

CABLE & SPOOL ASSEMBLY FOR POWER PET DOORS MS-5 with Deluxe Strap & Boot while the 2nd battery isReplacement part for you Power Pet door. This assembly includes the nylon pulley and stainless steel aircraft cable used to lift the Power Pet door panel.