LiftMaster 041B0591 Battery Backup Kit (Qty. 2) K1A6636 HySecurity HydraLift and HySecurity SlideDriver

HySecurity HydraLift and HySecurity SlideDriver operators

LiftMaster 307072703

Robust Design: Built with high-quality materials for long-lasting performance

this device provides a reliable layer of protection against lightning strikes

LiftMaster 041B0591 Battery Backup Kit (Qty. 2) K1A6636 HySecurity HydraLift and HySecurity SlideDriverLiftMaster 041B0591 Battery Backup Kit (Qty. 2) This is a Battery Backup Replacement Kit. For use with various LiftMaster and Chamberlain Garage Door Openers; featuring a battery backup system (BBU). Complete kit includes (2) 12V, 4. 5AH Batteries. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Also known as: LiftMaster 41B591 LiftMaster 012381415915 LiftMaster 9000001