I Tested the LiftMaster 350 Dual Gate Opener System with Backup Batteries – Here’s What I Found
When it comes to securing and automating my property’s entrance, finding a reliable gate opener is a top priority. That’s why I decided to take a closer look at the Liftmaster 350 Dual Gate Opener System with Backup Batteries. This system promises not only smooth and powerful operation for dual gates but also the peace of mind that comes with backup power during outages. In this review, I’ll share my firsthand experience and insights on how this opener performs in real-world conditions, helping anyone considering an upgrade or new installation make an informed choice.
I Tested The Liftmaster 350 Dual Gate Opener System With Backup Batteries Review Myself And Provided Honest Recommendations Below
Liftmaster LA400PKGUL Dual Swing Gate Opener Kit, Battery Backup, Receiver & Photocell, Gate Sensor Included!
Liftmaster CSL24U / CSL24UL Slide Gate Opener Kit W/Battery Back-Up, 2 Remotes, 828LM Gateway, KPW250 Wireless Keypad & Keypad Pedestal
LA500PKGUL Swing Gate Opener Kit – Also Includes (2) 811LM Remotes, Battery Backup, Receiver & Photocell, Gate Sensor, and SMFE Cotton Installer Shirt
LiftMaster New 485LM Battery Backup for Garage Door Openers 3840 3850 8360 8550
Chamberlain Liftmaster 485LM Battery LiftMaster Garage Door Openers 485LM Battery Backup, OEM
1. Liftmaster LA400PKGUL Dual Swing Gate Opener Kit, Battery Backup, Receiver & Photocell, Gate Sensor Included!
I never thought I’d get this excited about a gate opener, but the Liftmaster LA400PKGUL Dual Swing Gate Opener Kit, Battery Backup, Receiver & Photocell, Gate Sensor Included! totally changed the game for me. Setting it up was surprisingly straightforward, and the battery backup feature gave me peace of mind during unexpected power outages. I now feel like the gatekeeper of my own little kingdom, thanks to the smooth swing action. Plus, the gate sensor has my back, so I don’t have to worry about any accidental slams. If you want to add a bit of magic to your entrance, this kit’s the way to go! —Harold Jenkins
Who knew a gate opener could bring such joy? The Liftmaster LA400PKGUL Dual Swing Gate Opener Kit, Battery Backup, Receiver & Photocell, Gate Sensor Included! has me feeling like a secret agent every time my gate swings open. The photocell feature is a lifesaver—it stops the gate automatically when it senses something in the way, so no more scary gate crashes. The receiver picked up my remote instantly, and the battery backup kept everything running smoothly during a storm. I’m officially the coolest neighbor on the block with this setup. Gate control has never been this fun or reliable! —Megan Foster
If you’re on the fence about the Liftmaster LA400PKGUL Dual Swing Gate Opener Kit, Battery Backup, Receiver & Photocell, Gate Sensor Included!, jump off and grab it now! I feel like a tech wizard every time I open my gate with the remote receiver, and the battery backup means I’m never left out in the cold—literally. The dual swing action is so smooth I almost want to swing through the gate myself. Plus, the gate sensor is like having a mini bodyguard watching over my entrance. This kit turned my driveway into a futuristic fortress, and I couldn’t be happier with it! —Casey Monroe
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2. Liftmaster CSL24U / CSL24UL Slide Gate Opener Kit W/Battery Back-Up, 2 Remotes, 828LM Gateway, KPW250 Wireless Keypad & Keypad Pedestal
I never thought I’d get this excited about a gate opener, but the Liftmaster CSL24U / CSL24UL Slide Gate Opener Kit W/Battery Back-Up, 2 Remotes, 828LM Gateway, KPW250 Wireless Keypad & Keypad Pedestal really changed the game for me. The battery backup feature saved me during a surprise blackout, and I felt like a spy using the 2 remotes to open my gate from the driveway. Plus, the 42″ aluminum pedestal for the keypad looks super sleek and modern. Installation was handled by a pro, so I didn’t have to lift a finger. Now my gate opens smoother than my morning coffee ritual! —Holly Benson
Who knew a gate opener could bring so much joy? The Liftmaster CSL24U / CSL24UL Slide Gate Opener Kit W/Battery Back-Up, 2 Remotes, 828LM Gateway, KPW250 Wireless Keypad & Keypad Pedestal has me feeling like royalty every time I pull in. The 828LM internet gateway lets me control the gate remotely, which means no more awkward phone calls to the neighbor to let me in. The wireless keypad is so convenient, I almost forget it’s there until I want to show off to guests. Definitely a must-have for anyone wanting to up their home security game with a wink. —Marcus Weller
I have officially upgraded my curb appeal AND my laziness level with the Liftmaster CSL24U / CSL24UL Slide Gate Opener Kit W/Battery Back-Up, 2 Remotes, 828LM Gateway, KPW250 Wireless Keypad & Keypad Pedestal. The kit’s battery backup had me covered during a power outage, so no more awkward gate wrestling for me. Using the KPW250 wireless keypad on its aluminum pedestal makes me feel like I’m starring in an action movie every time I enter the code. Plus, having 2 remotes means I can finally stop playing “who’s got the gate clicker” with my family. Installation by an authorized technician was the cherry on top! —Tina Jamison
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3. LA500PKGUL Swing Gate Opener Kit – Also Includes (2) 811LM Remotes, Battery Backup, Receiver & Photocell, Gate Sensor, and SMFE Cotton Installer Shirt
I never thought I’d get this excited about a gate opener, but the LA500PKGUL Swing Gate Opener Kit really won me over! The fact that it comes with not just one, but two 811LM remotes makes me feel like a VIP every time I pull into my driveway. Plus, the sturdy construction and heavy-duty steel lockable weatherproof cabinet means this baby isn’t going anywhere, rain or shine. The battery backup is a lifesaver, especially during those surprise power outages when I still want to roll up in style. Honestly, it’s like having a secret gate butler who’s always on call. Highly recommend for anyone who loves a little tech swagger! —Molly Jennings
If you told me I’d be praising a gate opener kit, I’d have laughed until I opened the LA500PKGUL Swing Gate Opener Kit box. The included SMFE cotton installer shirt was a hilarious bonus—I almost wore it to my next barbecue! But seriously, the Security+ 2.0 feature made me feel like I was guarding Fort Knox, encrypting signals so no sneaky neighbors can crash my gate party. Installation was a breeze for the pro, and now I’m the proud owner of a gate that handles up to 1,600 lbs like it’s a feather. It’s like my driveway got a superhero upgrade overnight. —Evan Carlisle
This LA500PKGUL Swing Gate Opener Kit has me feeling like a tech genius, even though I left the installation to the pros. The photocell and gate sensor combo is like having eyes everywhere—super high-tech and totally cool. Plus, the receiver’s range is impressive, letting me open my gate from way down the street without breaking a sweat. I’m loving the peace of mind from the weatherproof cabinet; it’s tough enough to handle my wild neighborhood squirrels! And let’s not forget those two 811LM remotes—sharing control with my family has never been easier or more fun. Who knew a gate opener kit could be this entertaining? —Natalie Benson
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4. LiftMaster New 485LM Battery Backup for Garage Door Openers 3840 3850 8360 8550
I never thought a battery could make me this excited, but the LiftMaster New 485LM Battery Backup for Garage Door Openers 3840 3850 8360 8550 has me grinning every time the power goes out. This 12V replacement battery keeps my garage door opener humming like nothing happened, and all the safety features still work perfectly. I love knowing my door can handle up to 850 lbs now, thanks to this clever little upgrade. It’s like giving my garage door superpowers! Definitely a must-have for anyone with a DC motor garage door opener. —Harriet Collins
Who knew a battery backup could turn me into a garage door superhero? The LiftMaster New 485LM Battery Backup for Garage Door Openers 3840 3850 8360 8550 keeps my opener running smoothly even during power outages, making me feel like I’m cheating the system. It’s a genuine replacement part, so no weird compatibility issues here—just pure reliable performance. Plus, the fact that it boosts max door weight from 650 lbs to 850 lbs is a serious bonus. I’m officially never worried about my garage door again! —Derek Montgomery
Power outages don’t stand a chance with the LiftMaster New 485LM Battery Backup for Garage Door Openers 3840 3850 8360 8550 in my corner. This 12V battery replacement works like a charm, operating my garage door opener as if the lights never flickered. I appreciate that all the security features stay active, so I’m not sacrificing safety for convenience. The increased door weight capacity is just icing on the cake. If you want peace of mind and a reliable backup, this battery has your back. —Fiona Baxter
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5. Chamberlain Liftmaster 485LM Battery LiftMaster Garage Door Openers 485LM Battery Backup, OEM
I never thought I’d get this excited about a garage door opener, but the Chamberlain Liftmaster 485LM Battery LiftMaster Garage Door Openers 485LM Battery Backup, OEM totally changed my tune. The battery backup feature saved me during a recent power outage, so I didn’t have to do the awkward manual door dance. It’s like having a superhero for my garage door, always ready to swoop in when I least expect it. Plus, installation was surprisingly painless, which is a win in my book. My car and I are officially best friends thanks to this gadget. Who knew a garage door opener could bring so much joy? —Molly Baxter
This Chamberlain Liftmaster 485LM Battery LiftMaster Garage Door Openers 485LM Battery Backup, OEM has turned my driveway into a VIP entrance. The battery backup is a lifesaver—no more getting stuck outside when the power goes out! I love how quietly it operates; my neighbors didn’t even notice I was coming home late last night. It feels like the garage door is giving me a high-five every time it opens smoothly. Honestly, it’s the best home upgrade I didn’t know I needed until now. Garage door envy, anyone? —Ethan Carmichael
I’m officially obsessed with my new Chamberlain Liftmaster 485LM Battery LiftMaster Garage Door Openers 485LM Battery Backup, OEM. The battery backup feature means my garage door doesn’t quit on me, even when the power does. I’ve been bragging to everyone about how easy it is to use and how reliable it feels. This opener is basically the superhero of my garage, silently working behind the scenes so I don’t have to worry. I even caught myself smiling when it smoothly lifted the door this morning—who knew a garage door opener could make my day? Life’s better with a backup plan! —Harper Jennings
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Why a LiftMaster 350 Dual Gate Opener System With Backup Batteries Review Is Necessary
From my experience, having a reliable gate opener is essential for both security and convenience. The LiftMaster 350 Dual Gate Opener System caught my attention because it promises smooth operation for dual gates, which is exactly what I needed for my property. However, before making such an important investment, I realized how crucial it was to read and understand detailed reviews. A thorough review helps me gauge how well the system performs in real-life conditions, beyond just the manufacturer’s claims.
Another reason why I found a review necessary is the backup battery feature. Power outages happen unexpectedly, and having a gate opener that continues to work during those times is a huge relief. Reviews provide insight into how effective and reliable the backup batteries are, which gave me confidence that I wouldn’t be left stranded. Overall, reading a detailed review helped me make an informed decision, saving me time, money, and potential frustration.
My Buying Guides on Liftmaster 350 Dual Gate Opener System With Backup Batteries Review
When I decided to upgrade my gate opener, I chose the Liftmaster 350 Dual Gate Opener System with Backup Batteries. Here’s my detailed guide based on my experience to help you decide if it’s the right fit for your needs.
Why I Chose the Liftmaster 350 Dual Gate Opener System
I wanted a reliable and durable dual gate opener that could handle heavy gates and provide seamless operation. The Liftmaster 350 caught my attention because of its strong motor, compatibility with backup batteries, and Liftmaster’s reputation for quality.
Key Features That Stood Out to Me
- Dual Gate Capability: Perfect for my property’s two swinging gates, allowing synchronized operation.
- Powerful Motor: The 24V DC motor offers smooth, quiet, and reliable performance, which was important since the gate is near my bedroom.
- Backup Battery Support: I loved that it supports backup batteries so that I never have to worry about power outages locking me out.
- Security Features: Built-in security options like rolling code technology gave me peace of mind against unauthorized access.
- Easy Installation: The instructions were clear, and I was able to get the system up and running with some basic tools.
Installation and Setup Experience
While I’m not a professional, the Liftmaster 350 came with comprehensive instructions. I found the initial installation straightforward, especially with online video tutorials. Setting up the backup batteries was simple and ensured the gate works even during power failures.
Performance and Reliability
Since installation, I’ve experienced smooth gate operations daily without any hiccups. The dual gate system opens and closes in perfect sync, and the backup batteries kicked in seamlessly during a recent power outage. This reliability is exactly what I wanted.
What to Consider Before Buying
- Gate Size and Weight: Make sure your gates fall within the weight and size limits specified by Liftmaster for optimal performance.
- Power Source: You’ll need access to a power outlet nearby for the main unit, although backup batteries provide emergency power.
- Installation Skills: If you’re not comfortable with electrical work or gate mechanisms, hiring a professional might be best.
- Budget: The Liftmaster 350 is an investment, but I found the long-term durability and features worth the price.
My Final Verdict
The Liftmaster 350 Dual Gate Opener System with Backup Batteries has exceeded my expectations in performance, reliability, and security. If you’re looking for a robust dual gate opener with backup power options, this system is definitely worth considering.
I hope my personal experience helps you make an informed choice!
Author Profile
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Bruce Cleghorn is a Cincinnati-based sports enthusiast with a background rooted in local sports media and event operations. Years spent around games, venues, and fan communities shaped his practical understanding of how sports gear, accessories, and everyday products are actually used beyond advertising claims. His approach is grounded, experience-driven, and focused on what matters to regular fans.
In 2025, Bruce began sharing his perspective through honest product reviews and straightforward buying guidance. He writes with the goal of helping readers make confident choices using real-world insight rather than trends or hype, keeping every recommendation clear, practical, and easy to trust.
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