Liftmaster 485LM garage door opener battery, 12V 5Ah
⚠️ Check Terminal Type Carefully
This battery is available in three terminal configurations:
- F1 + F1 terminals
- F2 + F2 terminals
- F1 + F2 terminals
It is imperative that you check your existing battery terminals and select the correct option from the dropdown before ordering. Ordering the wrong terminal type may prevent proper installation.
CB125-485LM Battery Replacement for LiftMaster 485LM Garage Door Opener – 12V 5Ah AGM
Reliable 12V 5Ah AGM sealed lead acid replacement battery for LiftMaster 485LM garage door opener backup battery systems, supplied with the required F2 to F1 negative terminal converter.
Technical Specifications+
Why Choose This Product+
- Reliable backup power for LiftMaster 485LM garage door opener systems during outages.
- Higher 5Ah capacity than many standard 4Ah alternatives.
- Maintenance-free sealed AGM design.
- Supplied with the F2 to F1 converter required for the negative terminal.
- Designed for quick installation using your existing wiring connectors.
Important Terminal Information+
- Positive terminal: F2 size, 0.25" wide.
- Negative terminal: supplied with an F2 to F1 converter to make the negative side an F1 terminal.
- Final installation setup: F2 positive terminal and F1 negative terminal.
- Converter included: the supplied adapter allows the battery to match the LiftMaster 485LM terminal requirement.
- Please inspect your existing battery and terminal layout before ordering to confirm compatibility.
Compatible Applications+
Compatible Part Numbers+
Always compare voltage, dimensions, and terminal type with your original battery before ordering.
Easy Installation for LiftMaster 485LM+
- Disconnect the garage door opener from power.
- Remove the battery compartment cover with a Phillips screwdriver.
- Take out the old battery.
- Fit the supplied F2 to F1 converter to the negative terminal if required.
- Install the new CB125-485LM battery with terminals facing out.
- Reconnect the red wire to positive and black wire to negative.
- Secure wires, close the cover, and restore power.
What’s Included+
- 1 × CB125-485LM 12V 5Ah AGM battery
- 1 × F2 to F1 terminal converter for the negative terminal
Battery wires are not included. Reuse your original LiftMaster / Chamberlain wiring connectors.
Product Highlights+
- Battery Size: 90mm × 70mm × 101mm
- Height With Terminals: 107mm
- Voltage: 12V
- Capacity: 5Ah
- Chemistry: Sealed Lead Acid AGM
- Positive Terminal: F2
- Negative Terminal: F1 using supplied converter
FAQs+
Warranty & Returns+
- 1-year replacement warranty for manufacturing defects.
- 30-day no-hassle return policy.
Reliable LiftMaster 485LM Backup Battery Power+
The CB125-485LM 12V 5Ah AGM battery is a dependable replacement battery for LiftMaster 485LM garage door opener backup systems. With stable AGM performance, a maintenance-free sealed design, and the supplied F2 to F1 negative terminal converter, it provides the correct power and terminal configuration needed for reliable garage access.
This battery setup uses two different terminal sizes once installed: an F2 positive terminal and an F1 negative terminal using the supplied F2 to F1 converter. Please inspect your existing battery and terminal connections before ordering to ensure the correct fit.
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🔋 What’s mAh All About?
🔋 What’s mAh All About?
mAh stands for milliamp hours—basically, how much "fuel" your battery can hold. A higher or lower mAh than your original battery? No worries! 🙌 It won’t affect charging or operation—just means your device might run a bit longer or shorter between charges. Still 100% compatible. Still 100% awesome. 💪✨
Before ordering please read
Before ordering please read
Ensure the original battery model number is mentioned in our product description and verify that your device model number is also listed in the description.
How to Look after your new lithium battery!!
How to Look after your new lithium battery!!
See how to look after your battery if its lithium Lithium Care
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Delivery and Shipping
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