LiftMaster 041B0591 Battery Backup Kit (Qty. 2) apollo gate with two steel mounting brackets

with two steel mounting brackets and chain mount hardware

Cast aluminum hydraulic motor drive arms - kit includes top and bottom arms and toggle release

Coupled with integrated adjustable mechanical stops

This kit includes a high-quality cylinder and piston group specifically engineered to provide the necessary power and performance for smooth gate movement

10 ft oval aluminum oval arm for operators with kill switch built after June 2017

LiftMaster 041B0591 Battery Backup Kit (Qty. 2) apollo gate with two steel mounting bracketsLiftMaster 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