Replacement batteries are available for popular gate & garage door operator manufacturers such as Nortek Linear GTO/PRO, Mighty Mule, Chamberlain Liftmaster, Securitron, DoorKing, and Detex. Consult make and model specifications for proper fit.
Battery heaters are available for most Nortek Linear GTO/ PRO Mighty Mule swing and slide gate openers. Recommended for areas with temperatures below freezing (32 degrees) for extended periods of time to prevent batteries from discharging.