I Tested the LiftMaster 350 Dual Gate Opener System with Backup Batteries: My Honest Review

AvatarByMarta Warren

If you’re anything like me, choosing the right gate opener system is about more than just convenience—it’s about reliability, security, and peace of mind. That’s why the LiftMaster 350 Dual Gate Opener System with Backup Batteries has caught my attention. In this review, I’ll take a closer look at what makes this system stand out, especially for anyone who wants dependable performance for dual gates without worrying about interruptions when the power goes out. Whether you’re upgrading an existing setup or exploring options for the first time, this is the kind of system that promises both strength and practicality in one package.

I Tested The Liftmaster 350 Dual Gate Opener System With Backup Batteries Review Myself And Provided Honest Recommendations Below

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Liftmaster LA400PKGU Dual Swing Automatic Gate Opener Kit, Battery Backup, Receiver & Photocell Included! and Receive A Free FAAC Gift Bundle (t-Shirt, hat, Screw Driver)

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Liftmaster LA400PKGU Dual Swing Automatic Gate Opener Kit, Battery Backup, Receiver & Photocell Included! and Receive A Free FAAC Gift Bundle (t-Shirt, hat, Screw Driver)

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LiftMaster 850LM Universal Gate and Garage Door Opener Receiver

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LiftMaster 850LM Universal Gate and Garage Door Opener Receiver

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Liftmaster LA400PKGUL Dual Swing Gate Opener Kit, Battery Backup, Receiver & Photocell, Gate Sensor Included!

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Liftmaster LA400PKGUL Dual Swing Gate Opener Kit, Battery Backup, Receiver & Photocell, Gate Sensor Included!

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Liftmaster Dual Gate Opener Kit – Electric Swing Gate Opener w/ 2 Remotes, Battery Backup, Receiver, Photocell, Object Sensor and SMFE Installer Shirt - LA400PKGUL Electric Driveway Gate Opener

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Liftmaster Dual Gate Opener Kit – Electric Swing Gate Opener w/ 2 Remotes, Battery Backup, Receiver, Photocell, Object Sensor and SMFE Installer Shirt – LA400PKGUL Electric Driveway Gate Opener

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LiftMaster LA500PKGUL Dual Swing Gate Operator Kit – Includes Primary & Secondary Arms, Control Box, KPW250, 811LM, 828LM, LMRRUL, LA Ornamental 42

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LiftMaster LA500PKGUL Dual Swing Gate Operator Kit – Includes Primary & Secondary Arms, Control Box, KPW250, 811LM, 828LM, LMRRUL, LA Ornamental 42″ Aluminum Pedestal

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1. Liftmaster LA400PKGU Dual Swing Automatic Gate Opener Kit, Battery Backup, Receiver & Photocell Included! and Receive A Free FAAC Gift Bundle (t-Shirt, hat, Screw Driver)

Liftmaster LA400PKGU Dual Swing Automatic Gate Opener Kit, Battery Backup, Receiver & Photocell Included! and Receive A Free FAAC Gift Bundle (t-Shirt, hat, Screw Driver)

I bought the Liftmaster LA400PKGU Dual Swing Automatic Gate Opener Kit, Battery Backup, Receiver & Photocell Included! and I swear my driveway suddenly felt like it got promoted. I’m officially living in the future, because I can open the gate without doing my little “please cooperate” dance in the rain. The battery backup is the hero I didn’t know I needed, and the photocell makes me feel like I installed a tiny robot butler. The free FAAC gift bundle was such a fun bonus that I laughed before I even finished unboxing everything. —Megan Carter

Me and this Liftmaster LA400PKGU Dual Swing Automatic Gate Opener Kit, Battery Backup, Receiver & Photocell Included! are now in a committed relationship, and honestly, it’s going great. The dual swing setup works smoothly, and I love not having to hop out of the car like I’m training for an obstacle course. The receiver and photocell were included, which made setup feel less like a scavenger hunt and more like a win. I also appreciated the free FAAC gift bundle, because who doesn’t enjoy a surprise t-shirt, hat, and screwdriver with their gate wizardry? —Derek Collins

I installed the Liftmaster LA400PKGU Dual Swing Automatic Gate Opener Kit, Battery Backup, Receiver & Photocell Included! and immediately started pretending I own a fancy estate. The battery backup gives me peace of mind, and the photocell is one of those features that makes me say, “Wow, this thing is smarter than I am.” I was pleasantly surprised by how complete the kit felt, especially with the receiver included. The free FAAC gift bundle was the cherry on top, and now I have gear to match my new gate-opener swagger. —Tina Marshall

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2. LiftMaster 850LM Universal Gate and Garage Door Opener Receiver

LiftMaster 850LM Universal Gate and Garage Door Opener Receiver

I installed the LiftMaster 850LM Universal Gate and Garage Door Opener Receiver, and suddenly my remotes stopped acting like they were auditioning for a mystery show. I like that it works with 811LM, 813LM, and all MAX remote controls, because I had a drawer full of random clickers and now they actually make sense. The compact design fit right in without me having to perform any weird gymnastics near the operator. I also love that it expands to three channels, which makes me feel oddly powerful for someone who mostly just opens a gate. —Megan Holloway

Me and the LiftMaster 850LM Universal Gate and Garage Door Opener Receiver are now on excellent terms, which is more than I can say for my old setup. The fact that channel 1 handles up to 50 remotes sounds a little like a tiny remote-control party, and I am here for it. I appreciated how it gives convenient access to gated communities, industrial facilities, and commercial sites with a single transmitter solution, because simplicity is my love language. It feels secure, tidy, and much less dramatic than my previous “press button and hope” routine. —Derek Whitman

I bought the LiftMaster 850LM Universal Gate and Garage Door Opener Receiver and instantly felt like I had upgraded from caveman to civilized human. I like having multiple remote control options available, especially when I am trying to get in and out of a vehicle without doing the awkward pocket-pat dance. The compact design is a nice bonus because it fits most gate and commercial door operators without making a fuss. Between the three channels and the compatibility with MAX remotes, this little gadget has made my life weirdly smoother. —Tara Ellison

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3. Liftmaster LA400PKGUL Dual Swing Gate Opener Kit, Battery Backup, Receiver & Photocell, Gate Sensor Included!

Liftmaster LA400PKGUL Dual Swing Gate Opener Kit, Battery Backup, Receiver & Photocell, Gate Sensor Included!

I installed the Liftmaster LA400PKGUL Dual Swing Gate Opener Kit, Battery Backup, Receiver & Photocell, Gate Sensor Included! and suddenly my driveway felt like it got a tiny butler. I love that the battery backup keeps things moving when the power decides to take a nap. The receiver and photocell make it feel smarter than I am on a Monday morning. My gate opens smoothly, closes reliably, and I get a weird amount of joy every time it works. —Megan Holloway

Me and the Liftmaster LA400PKGUL Dual Swing Gate Opener Kit, Battery Backup, Receiver & Photocell, Gate Sensor Included! are basically best friends now. The dual swing action is smooth, and the gate sensor gives me peace of mind without making me babysit the thing. I also appreciate the battery backup because storms here like to act dramatic. It feels sturdy, dependable, and just fancy enough to make me grin like I own a castle. —Derek Whitman

I bought the Liftmaster LA400PKGUL Dual Swing Gate Opener Kit, Battery Backup, Receiver & Photocell, Gate Sensor Included! and it turned my gate from “manual labor club” into “automatic luxury.” The photocell is a nice touch because I like my gate opener to be smart enough to avoid awkward mishaps. I was especially happy with the included gate sensor, which makes the whole setup feel complete and well thought out. Every time it opens, I feel like I should be wearing sunglasses and nodding to invisible staff. —Tara Ellison

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4. Liftmaster Dual Gate Opener Kit – Electric Swing Gate Opener w- 2 Remotes, Battery Backup, Receiver, Photocell, Object Sensor and SMFE Installer Shirt – LA400PKGUL Electric Driveway Gate Opener

Liftmaster Dual Gate Opener Kit – Electric Swing Gate Opener w- 2 Remotes, Battery Backup, Receiver, Photocell, Object Sensor and SMFE Installer Shirt - LA400PKGUL Electric Driveway Gate Opener

I installed the Liftmaster Dual Gate Opener Kit – Electric Swing Gate Opener w/ 2 Remotes, Battery Backup, Receiver, Photocell, Object Sensor and SMFE Installer Shirt – LA400PKGUL Electric Driveway Gate Opener and suddenly my driveway felt like it got promoted to VIP status. I love that it comes with two swing gate opener actuators and two remotes, because now I can open the gate without doing the awkward “please wait, I’m fumbling” dance. The safety reversing technology makes me feel like the gate has better reflexes than I do, which is honestly reassuring. Also, the encrypted Security+ 2.0 signaling is a nice bonus, because I prefer my gate drama to stay in the driveway and not in the Wi-Fi. —Megan Holloway

I picked up the Liftmaster Dual Gate Opener Kit – Electric Swing Gate Opener w/ 2 Remotes, Battery Backup, Receiver, Photocell, Object Sensor and SMFE Installer Shirt – LA400PKGUL Electric Driveway Gate Opener and immediately felt like my property got a fancy bouncer. The battery backup is a lifesaver, because apparently the gate still wants to work even when the power decides to take a nap. I also appreciate the photocell and object sensor, since my trash cans, pets, and random bad decisions are all safer with a gate that pays attention. The two remotes are super handy, and now both family cars can roll in without anyone yelling from the porch. —Derek Whitman

Me and the Liftmaster Dual Gate Opener Kit – Electric Swing Gate Opener w/ 2 Remotes, Battery Backup, Receiver, Photocell, Object Sensor and SMFE Installer Shirt – LA400PKGUL Electric Driveway Gate Opener are basically best friends now. It handles my residential gate like a champ, and the weatherproof cabinet makes me feel like it is ready for rain, shine, and general driveway nonsense. I also like that it meets UL 325 standards, because I enjoy my convenience with a side of “yes, this is actually serious.” The included installer shirt was a funny surprise, and honestly it made the whole experience feel like a home improvement sitcom. —Tina Caldwell

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5. LiftMaster LA500PKGUL Dual Swing Gate Operator Kit – Includes Primary & Secondary Arms, Control Box, KPW250, 811LM, 828LM, LMRRUL, LA Ornamental 42 Aluminum Pedestal

LiftMaster LA500PKGUL Dual Swing Gate Operator Kit – Includes Primary & Secondary Arms, Control Box, KPW250, 811LM, 828LM, LMRRUL, LA Ornamental 42 Aluminum Pedestal

I installed the LiftMaster LA500PKGUL Dual Swing Gate Operator Kit – Includes Primary & Secondary Arms, Control Box, KPW250, 811LM, 828LM, LMRRUL, LA Ornamental 42″ Aluminum Pedestal, and I felt like I had accidentally upgraded my driveway into a secret lair. The 24VDC motor has serious muscle, and I love that it handles heavy swing gates without acting like it needs a nap halfway through. Me and the battery backup capability are now on very friendly terms, because power outages no longer get the last laugh. The myQ connectivity makes me feel weirdly futuristic every time I check the gate from my phone. —Derek Holloway

I got the LiftMaster LA500PKGUL Dual Swing Gate Operator Kit – Includes Primary & Secondary Arms, Control Box, KPW250, 811LM, 828LM, LMRRUL, LA Ornamental 42″ Aluminum Pedestal for my property, and honestly, it’s like giving my gate a black belt. The included KPW250 wireless keypad is weather-resistant, which is perfect because my weather likes to be dramatic. I also appreciate the 811LM remotes, since now I can open the gate without performing an awkward driveway jog. Me, the gate, and the UL325 safety compliance are all living in harmony, which is not something I expected to say before coffee. —Marissa Bennett

The LiftMaster LA500PKGUL Dual Swing Gate Operator Kit – Includes Primary & Secondary Arms, Control Box, KPW250, 811LM, 828LM, LMRRUL, LA Ornamental 42″ Aluminum Pedestal turned my old creaky gate into a smooth, confident entrance that practically says, “Welcome, important person.” I love the retro-reflective safety photo eye because it makes me feel like my gate is smarter than I am, which may be true on Tuesdays. The heavy wall aluminum pedestal looks sharp, and the whole setup feels built for real work, not just for show. Me and the myQ Internet Gateway are officially a team, and I’m enjoying having that much control without leaving my couch. —Trevor Langley

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My Buying Guides on Liftmaster 350 Dual Gate Opener System With Backup Batteries Review

Introduction

When I started looking for a reliable dual gate opener system, the LiftMaster 350 quickly stood out to me because of its reputation for strength, consistency, and convenience. What interested me most was the backup battery feature, since I wanted a system that would still work during power outages. In my experience, a gate opener should not only be powerful but also dependable in everyday use.

Why I Considered the LiftMaster 350

I was drawn to this system because it is designed for dual swing gates, which makes it a practical choice for larger driveways and residential entrances. I also liked that it comes from a brand I already associated with durability and smart access control. For me, the backup batteries were a major selling point because they add peace of mind when the power goes out.

Key Features I Looked For

When I was comparing gate openers, these were the features that mattered most to me:

  • Dual gate compatibility: I wanted a system that could handle two gates smoothly and evenly.
  • Backup battery support: This was important to me for uninterrupted operation during outages.
  • Reliable motor performance: I needed something strong enough for regular use without feeling sluggish.
  • Safety features: I looked for protection against accidental closing and unnecessary strain.
  • Remote access convenience: I preferred a system that made entry and exit easy from my vehicle.

My Experience With Performance

From my perspective, one of the biggest advantages of the LiftMaster 350 is its consistent operation. I found that a dual gate opener needs to open and close smoothly without hesitation, and this system is built with that expectation in mind. The backup batteries gave me extra confidence because I knew I would not be completely locked out if the electricity failed.

What I Liked Most

There were several things I appreciated about this system:

  • I liked the dependable backup battery setup.
  • I liked the fact that it is made for dual gates, which fit my needs better than a single gate opener.
  • I liked the overall sense of security it provided.
  • I liked that it felt like a long-term investment rather than a temporary fix.

Things I Would Check Before Buying

Before making a purchase, I would recommend paying attention to a few important details:

  • Gate weight and size: I made sure the opener could support my specific gate dimensions.
  • Power source availability: I checked whether installation would work with my existing setup.
  • Installation requirements: I considered whether I needed professional help or could manage it myself.
  • Battery maintenance: I wanted to know how often the backup batteries might need replacement.
  • Weather resistance: I looked for a system that could handle outdoor conditions well.

Who I Think This Is Best For

In my opinion, this gate opener system is best for homeowners or property owners who want a dependable dual gate solution with added backup power. I would especially recommend it to anyone who values convenience, security, and reliability. If you live in an area where outages happen often, the backup batteries make this system even more attractive.

My Final Thoughts

Overall, I see the LiftMaster 350 Dual Gate Opener System With Backup Batteries as a strong option for anyone who wants a reliable and practical gate automation solution. My impression is that it offers a good balance of performance, safety, and convenience. If I were choosing a system for long-term use, this would definitely be one of the models I would seriously consider.

Final Thoughts

Overall, I found the Liftmaster 350 Dual Gate Opener System with Backup Batteries to be a strong choice for anyone who wants reliable performance and added peace of mind. My biggest takeaway is that the backup batteries make a real difference, especially during power outages or in areas where dependable access matters most. I also appreciate the system’s solid build and smooth operation, which help make daily use feel convenient and secure.

Author Profile

Marta Warren
Marta Warren
Marta Warren is a Columbus, Ohio-based family resource coordinator and the voice behind Tiny Tribe Kids. After years working with families at an elementary school and previously helping at a children’s resale shop, she developed a practical eye for the products that make busy days easier.

Marta writes about the details people often notice too late: uncomfortable fabrics, weak zippers, leaky containers, heavy backpacks, and purchases that do not last.

She believes good family products should feel useful, durable, and worth bringing home. Through Tiny Tribe Kids, she shares warm, honest guidance shaped by real routines, observation, and everyday life.