Replacement Battery for LiftMaster 485LM
Does your LiftMaster Garage Door Opener make that annoying beeping sound every 5 minutes? More than likely the backup battery for your motor has failed. That is where this battery comes into play, this will replace the LiftMaster 485LM battery at a fraction of the cost.
PLEASE NOTE DUE TO USPS REGULATIONS, THIS ITEM DOES NOT QUALIFY FOR OUR FREE SHIPPING OFFER. WHEN CHECKING OUT YOU MUST CHOOSE UPS AS YOUR SHIPPING METHOD. CUSTOMERS WHO DO NOT FOLLOW THIS WILL BE CONTACTED TO APPROVE PAYMENT FOR UPS SHIPPING OR WILL HAVE THEIR ORDER CANCELLED.
Replaces Liftmaster 485LM
Compatible only with LiftMaster 3850 garage door openers
Operates a garage door opener as if power is still on
All safety, security features operate when battery is in use
Standby power system, opener on one logic board for improved efficiency
Dimensions: 3.5" x3.5" x 2.75"
Beeping sound emitted when battery needs replacing