SKU: 20037400953

APC Replacement Battery Cartridge for Smart-UPS Line Interactive, 24V 9Ah lead-acid battery, 2-year repair or replace warranty

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Description

APC Replacement Battery Cartridge for Smart-UPS Line Interactive, 24V 9Ah lead-acid battery, 2-year repair or replace warrantyRestore peak performance to your APC Smart UPS lineinteractive system with the APC Replacement Battery Cartridge APCRBC133. Engineered to be a seamless, plugandplay upgrade, this 24V 9Ah leadacid VRLA battery is thoroughly tested to bring your UPS back to its original specifications, ensuring reliable backup power for critical equipment. Whether youre protecting servers, networking gear, or sensitive hardware, the APCRBC133 is designed to deliver

Restore peak performance to your APC Smart-UPS line‑interactive system with the APC Replacement Battery Cartridge APCRBC133. Engineered to be a seamless, plug‑and‑play upgrade, this 24V 9Ah lead‑acid VRLA battery is thoroughly tested to bring your UPS back to its original specifications, ensuring reliable backup power for critical equipment. Whether you’re protecting servers, networking gear, or sensitive hardware, the APCRBC133 is designed to deliver dependable runtime, minimize downtime, and extend the life of your UPS investment. With its robust construction, maintenance‑free design, and APC’s trusted engineering, you can count on uninterrupted operation when it matters most.

Designed for compatibility with APC Smart-UPS line interactive models, this replacement cartridge is the practical solution for professionals and small businesses seeking a cost‑effective, high‑quality battery update. The 24V system voltage aligns with the UPS’s charging circuitry, enabling efficient recharging and stable performance under load. The sealed VRLA (Valve Regulated Lead Acid) design helps prevent leaks and reduces maintenance, making it suitable for a variety of environments—from data closets to office server rooms. When it’s time to refresh your backup power, the APCRBC133 delivers a fast, reliable replacement that restores the UPS to its factory‑fresh capabilities, helping you protect uptime without sacrificing safety or convenience.

Beyond raw specifications, this battery cartridge emphasizes safety, reliability, and ease of use. It’s engineered to withstand the rigors of regular UPS cycling, including frequent on/off transitions and power interruptions. The 2‑year warranty provides peace of mind, offering repair or replacement if issues arise under normal usage. With the APCRBC133, you’re not just buying a battery—you’re investing in continued protection for your critical workloads, a smoother recovery from outages, and a reduction in the time spent managing backup power systems.

The APCRBC133 is a compact, fully contained replacement solution that minimizes downtime during installation. The cartridge is designed for straightforward removal of the old battery and secure installation of the new one, reducing service time and helping you get back to business quickly. Its 24V, 9Ah capacity is well suited for load profiles typical of small to mid‑sized UPS deployments, delivering a reliable amount of runtime under normal operating conditions. When you replace the battery cartridge, you can expect a noticeable improvement in startup and run times, improved protection during outages, and a reestablished ability to ride through brief power disturbances without data loss or equipment damage. For organizations relying on continuous availability, the APCRBC133 offers a practical, dependable path to maintaining performance without expensive downtime or complex maintenance routines.

In addition to core performance, the APCRBC133 reflects APC’s commitment to quality and customer success. The battery is manufactured and tested to meet APC standards for electrical safety, compatibility, and reliability. This ensures that you receive a solution that not only fits physically but also works harmoniously with the UPS’s internal battery management system. The product’s stability helps extend the UPS’s service life, reduces the likelihood of unexpected failures, and supports consistent, predictable backup power—an essential requirement for business continuity and risk mitigation in today’s digital environments.

  • Compatibility and purpose: Precisely engineered to work with APC Smart-UPS Line-Interactive units, restoring original runtime and performance after battery wear. The APCRBC133 is the trusted choice when you need a reliable replacement cartridge that matches the UPS’s electrical and mechanical interface.
  • Battery type and capacity: A sealed VRLA lead‑acid battery rated at 24V and 9Ah, delivering dependable backup power while minimizing maintenance needs. The VRLA design reduces risk of electrolyte leaks and simplifies storage and handling.
  • Maintenance and safety: Maintenance‑free construction with built‑in safety features and spill resistance, enabling safer operation in office and data‑center settings. The cartridge format simplifies disposal and replacement with minimal environmental impact.
  • Performance and reliability: Thorough testing restores UPS performance to factory specifications, improving startup performance, runtime, and fault tolerance. Expect smoother operation during outages and better protection for connected equipment against brownouts and power surges.
  • Warranty and support: Comes with a 2‑year warranty for repair or replacement, reflecting APC’s commitment to quality and long‑term reliability. This coverage adds confidence and reduces total cost of ownership when maintaining critical power infrastructure.

Technical Details of APCRBC133

  • Model/Part: APCRBC133
  • Battery Type: VRLA Lead‑Acid
  • Voltage: 24V
  • Capacity: 9Ah
  • Compatibility: APC Smart-UPS Line‑Interactive series
  • Warranty: 2‑Year repair or replace
  • Form Factor: Replacement cartridge compatible with supported UPS models (installation guides recommended)

how to install APCRBC133

  • Power down the UPS and disconnect it from the wall outlet. Ensure the area is dry and free from conductive materials before beginning the replacement.
  • Carefully remove the old battery cartridge from the UPS housing following the manufacturer’s removal procedure. Disconnect any cables or locking mechanisms as directed by the UPS manual.
  • Inspect the battery compartment for debris or corrosion; clean if necessary according to safety guidelines and dispose of the old battery properly in accordance with local regulations.
  • Align the APCRBC133 cartridge with the UPS connectors and slide it into place. Secure any retaining latches and reconnect the battery harness to ensure a solid electrical connection.
  • Reconnect the UPS to the power source and perform a self-test or run the UPS through a basic power‑on sequence to verify proper operation and charging. Confirm that the UPS displays normal status indicators and that runtime is restored to expected levels under typical load.
  • Dispose of the packaging and the old battery in an environmentally responsible manner. Record the replacement date for maintenance logs and schedule future inspections as part of your standard power‑protection routine.

Frequently asked questions

  • Is the APCRBC133 compatible with all APC Smart-UPS line‑interactive models?
    The APCRBC133 is designed to be compatible with many APC Smart-UPS line‑interactive units. Always verify your UPS model’s battery replacement compatibility with APC documentation or the retailer’s specification notes before purchasing.
  • What does the 2‑year warranty cover?
    The 2‑year warranty covers repair or replacement of the defective battery cartridge under normal usage. It provides protection against manufacturing defects and performance issues that prevent the battery from delivering expected runtime.
  • How long does installation take?
    For a standard replacement, installation is typically quick, often completed within minutes if you have proper safety precautions in place. The cartridge design is intended for straightforward, tool‑free replacement in most supported UPS models.
  • What runtime can I expect after replacement?
    Runtime varies with load, environment, and the health of the rest of the UPS. Replacing with the APCRBC133 typically restores runtime closer to the UPS’s original specifications under similar load conditions.
  • What safety considerations should I follow?
    Always power down and unplug the UPS before replacement, handle the cartridge with care, and dispose of old batteries following local regulations. VRLA batteries can emit heat during charging and should be monitored in high‑temperature environments.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 20037400953

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4.8 ★★★★★
Based on 24 reviews
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Verified Purchase
Hanna
Whiting, US
★★★★★ 5
Still The Best Frother Ever!
Color: Black
I love how it is easy to use, how it holds a charge, and how much power it has. I've only charged it once since I got it & I've been using it on a daily basis!!! Though it isn't a long time, I'm happy with it so far! I definitely will recommend it to anyone looking for a great frother. If you are looking for one, look no further! You won't be disappointed! I've read some comments where they found it to be too strong that their drink spilled everywhere. But for me I have not had any incident of spilling over. I have used it both for my coffee and my matcha tea and it worked great without any spilling over. You just have to start with the lowest power and ensure that you have a large enough container to have a room for your frothing. My sister tried to use it recently during her visit to make us matcha tea. However, she experienced spillage all over the cup, because she had used a small cup. Otherwise, she liked it very much and said she will get one when her battery operated one stops working... Another thing I like about the product was the customer service that I had received. When I got my first order which came quickly, it wasn't working after having charged it over 24 hours. It was not turning on at all. I returned it and ordered a replacement which I received within a day or two. This time after charging it for the recommended amount of time, I was a bit skeptical when I turned it on. However, I was pleasantly surprised that it worked like it was supposed to and it has been working ever since having charged it only once so far. I may come back and give an update depending on how it does after 6 months of use, so keep in tune... I don't know if there is a way to write a new entry as a follow up to the old entry, so I'm going to add my follow up comment over here. May 23, 2025 - I love my frother more than I can say in words. It's functionality has not changed a bit from the time I have purchased it. It charge lasts several weeks to few months before I charge it again and the power is still the same. Recently I decided to buy another one for my office use. I like the white color and so tried it but that one wouldn't even turn on. And then I got a gray one to have a different color. That one was much weaker than the black one I own. Then I replaced it with another gray one within few days. I tried it and it was exactly the same as the one I already replaced. So then I decided to go with a black one again hoping that it would be the same as the one I have. The black one did much better than the gray ones in the strength or power of the frother. However, it is weaker than the one I already have been using since last August. While I am not very happy with the quality being inconsistent in all of the ones I have tried including the recent pictures of the black one, I have decided to keep the black one because it is relatively better than the gray ones I tried. What I don't understand is why there is inconsistency in the quality of the same product by the same maker. I am beginning to wonder if the black one I purchased in Augusta last year was anomaly of a quality and a good way. Maybe I lucked out on my older black frother, but I'm unsure if quality is going to get better if I were to order another one. I have a sister who is a pro in making coffee drinks and she was the reason I had ordered this frother to begin with. She uses a battery operated one at this time and I have been thinking about getting her one like mine. While I am still skeptical, I am going to give it a shot and order her one sometime soon. If it doesn't work, I guess we will return it back. But one thing that I am grateful is that I have been able to return every one of those that I have tried recently with no issues. I hope that I don't have to return my most recent purchase in black. I was not even able to review the new purchase because of the item being the same color which is crazy.
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Reviewed in the United States on September 8, 2024
R
Verified Purchase
R. Cordosi
Bozeman, US
★★★★★ 5
Outstanding Frother!
Color: Space Gray
Exceptional! This frother is in another league compared to the cheapo push button frothers. The motor is smooth, quiet and powerful. This has an intuitive thumb dial on top that operates smoothly with a wide range of smooth speed adjustment. It’s gentle enough to froth a little bit of milk for a macchiato and powerful enough to scramble 3 eggs. The head is removable for easy cleaning. It’s also rechargeable. I charged this the day I bought it on April first. I use it at least twice a day. It’s September 26th today and I have yet to recharge it and it’s not showing any signs of needing a charge. One minor quibble is that they give you 2 of the same frother heads. They are built so well, that I don’t imagine it ever wearing out. It would have been nice to get a whisk or something different. Not a deal breaker at all though.
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Reviewed in the United States on September 26, 2025
B
Verified Purchase
banjo player
Draper, US
★★★★★ 5
Solid unit
Color: Black
Handheld Mixer/Frother Review A Premium Choice That Transforms Morning Coffee I am thoroughly impressed with this handheld mixer and frother. Each morning, I blend cacao and collagen powder into my coffee, and in the past, I always ended up with stubborn lumps using only a spoon or whisk. I had previously purchased a few inexpensive handheld mixers, but they disappointed me both in price and performance, struggling to mix the powders thoroughly—especially at the bottom of the cup. I came close to abandoning handheld mixers altogether, but decided to give it one last try. After reading countless reviews and carefully comparing models, I opted to invest in a higher-end handheld mixer. The anticipation was high—would this mixer truly distinguish itself from the budget options cluttering my kitchen drawer? From the moment I unboxed it, the difference was clear. The mixer felt substantial in my hand, and the build quality reflected thoughtful engineering. While this model cost roughly twice as much as the cheaper alternatives, it proved to be well worth the investment. Initially, I was concerned about the dial at the top, fearing it might be difficult to control. However, I was pleasantly surprised by its intuitive operation. The unit offers a solid feel, plenty of power, and a versatile range of speeds—from a gentle stir perfect for coffee to an impressively fast setting. I had not previously considered using this mixer as a frother, but as a cappuccino enthusiast, I decided to give it a try. I heated both 2% milk and oat milk to take the chill off, then submerged the mixing wand. Allowing the mixer to rise above the milk introduced air and created a rich, creamy foam—an unbelievable result. My homemade cappuccino now tastes like something from a café. The controls are robust, the construction is reliable, and the power is consistent. Cleanup is effortless, requiring only a quick rinse under the tap. The battery life is also noteworthy, lasting through several uses without losing strength. If you are hesitant to spend a bit more on a quality handheld mixer, I wholeheartedly recommend making the investment. This mixer has become an essential part of my morning routine. Excellent product—well done!
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Reviewed in the United States on August 13, 2025
P
Verified Purchase
Philip B. Corriveau
Birmingham, US
★★★★★ 5
Solid, powerful, rechargeable
Color: Black
Very impressed with its weight, speed and performance. The dial is great
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Reviewed in the United States on May 29, 2026
C
Verified Purchase
Chief
Massapequa, US
★★★★★ 4
Very nearly the perfect frother for all your basic frothing & mixing needs
Color: Black
There are a lot of middle-of-the-road frothers out there. I've been through a few of them in my recent search for something that could mix and froth well, without taking up any more outlets in my basement kitchen. Of the three Maestri frothers I've tried so far, this one wins the race by a nose. Most recently, these Maestri frothers come in basically three versions: A single-speed @ 8000 RPM, a two-speed @8000/5500 RPM, and this stepless variable-speed version. Aside from that, the only real difference in recent version pack-outs is which attachments they come with. Look over the reviews of the single-speed version and you'll find that while it can and does froth well, it starts at a single, high speed and gets there fast. This makes it pretty easy to spin liquid right out of most common cups and mugs. There is a two-speed version, but it's harder to find, only comes in one color (Grape Purple), and while it's much better than the Maestri single-speed, it still has a couple of quirks that make this variable-speed version win out. This mixes and froths whole milk, half-and-half, or heavy whipping cream, or just about anything else very well. Like all frothers, it takes a little time to learn its nuances and nail down the technique, this will definitely get you there. The best feature of this is easily the speed control. Turn the knob to turn it on at a low speed that's great to get things started, then turn the knob to crank up the speed just enough to do what you need, whether that's mixing or frothing. The low starting speed makes it easy to keep things under control without undue spilling, and the max speed is more than enough to make quick work of getting your froth on. There are really only two complaints I have with this stepless, variable speed version: - I'd really like to have a Press On / Release Off button in addition to the Speed Control knob. More than one time have I gone to turn this off, only to spin the knob the wrong way and crank the speed up to ludicrous, sloshing liquid on the counter. Being able to turn it Off just by letting go of the button would be quick and easy. This configuration would allow using a preferred speed right from the start, while still allowing speed to be adjusted on-the-fly when needed. - Give it a bigger battery. It would cost mere pennies to give this a 2000mAH+ instead of a 1200mAH battery, and I can't think of any reasonable downside to that. - Give the motor a little more torque. It's fairly easy for the current motor, at any speed, to get bogged down in a thick protein powder mix, or when pressing the frother or other attachment a bit too hard into the bottom or side of the frothing container. A bit more "oomph" would prevent that. I really like the overall design and features of thes Maestri frothers better than many other, cheaper versions. This variable-speed version is pretty great as it is and probably the one I would recommend over the single- or two-speed, for most people. But I often find myself using two hands -- one to hold it steady, and the other to turn it on and tweak the knob to the desired speed(s) -- for a device that should arguably need only one hand to use. Just a couple of minor tweaks as noted above would make this the overall best frother of its type that I've used.
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Reviewed in the United States on May 23, 2025

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