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Description
Eaton Internal Replacement Battery Cartridge (RBC) for Select 3kVA Line-Interactive & Online UPS SystemsProtect priceless data, preserve critical operations, and keep your IT infrastructure running through outages with the Eaton Internal Replacement Battery Cartridge (RBC) designed for select 3kVA UPS systems. This OEM RBC is built to Eatons exacting standards, delivering reliable backup power so your servers, storage, and networking equipment stay online when the grid goes down. Whether you depend on Eatons 9PX, SmartOnline, or compatible Tripp Lite
Protect priceless data, preserve critical operations, and keep your IT infrastructure running through outages with the Eaton Internal Replacement Battery Cartridge (RBC) designed for select 3kVA UPS systems. This OEM RBC is built to Eaton’s exacting standards, delivering reliable backup power so your servers, storage, and networking equipment stay online when the grid goes down. Whether you depend on Eaton’s 9PX, SmartOnline, or compatible Tripp Lite configurations, this replacement battery cartridge is engineered for seamless field replacement, minimizing downtime and maximizing uptime. By choosing an authentic RBC, you align with Eaton’s warranty and service ecosystem, ensuring compatibility, safety, and long-term performance across your UPS portfolio. If you’re upgrading or refreshing aging backup batteries, this RBC is the trusted choice to restore original run-time, preserve battery health, and maintain peak UPS reliability across current and future workloads.
- Broad compatibility across popular 3kVA models: This Eaton RBC is designed to work with a range of compatible UPS models, including Eaton 5PX3000RTG2, 5PX3000RTNG2, 5PX3000HRTG2, 5PX3000HRTNG2, 9PX3000RT, 9PX3000RTN, 9PX3000GRT, and 9PX3000GLRT, as well as Tripp Lite SMART3000RM2U and SMART3000RM2UN units. If your organization relies on these mid-range to high-capacity systems, you can refresh your backup power without replacing the entire UPS. This compatibility spread helps reduce inventory complexity and ensures you don’t overpay for a battery cartridge that isn’t a fit for your hardware.
- OEM-grade reliability and safety: Built to Eaton specifications, the RBC maintains the same electrical characteristics, connectors, and mounting interfaces as the original battery cartridge. By opting for an authentic RBC, you preserve charging profiles, chemistry compatibility, and component interfacing, which translates into safer operation, consistent performance, and fewer compatibility surprises during maintenance windows.
- Easy field replacement to minimize downtime: The RBC is designed for straightforward installation by trained IT staff or on-site technicians. The replacement workflow typically involves powering down the UPS, removing the old cartridge, and seating the new RBC with proper alignment and secure connection. This process minimizes service disruption, allowing you to restore full UPS capacity quickly and re-enable protected workloads with confidence.
- Optimized runtime and continued protection for critical loads: Replacing aged battery modules helps recover the UPS’s intended run-time and response characteristics. With a fresh RBC, your backup power system can sustain servers, storage, and network devices through short outages and brownouts, reducing the risk of data loss and service interruptions during unexpected power events.
- Support, warranty, and lifecycle management: Choosing an Eaton RBC ties your replacement to Eaton’s service and warranty framework. This means access to official documentation, compatible spare parts, and technical support for maintenance planning, routine testing, and long-term lifecycle management across a mixed fleet of Eaton and compatible UPS hardware.
Technical Details of Eaton Internal Replacement Battery Cartridge (RBC) for Select 3kVA UPS Systems
- Compatibility: Works with Eaton 5PX3000RTG2, 5PX3000RTNG2, 5PX3000HRTG2, 5PX3000HRTNG2, 9PX3000RT, 9PX3000RTN, 9PX3000GRT, 9PX3000GLRT, and Tripp Lite SMART3000RM2U/SMART3000RM2UN models (as listed in product communications).
- Product type: Internal Replacement Battery Cartridge (RBC) for UPS backup systems.
- Manufacturer: Eaton.
- Purpose: Replacement battery module designed to restore or maintain UPS runtime and reliability without replacing the entire ups unit.
- Notes: Specific UPC/SKU and model identifiers are not provided in the available data; refer to your OEM documentation or vendor catalog for exact reference numbers when ordering.
How to Install Eaton Internal Replacement Battery Cartridge (RBC)
To ensure a safe and effective RBC replacement, follow the manufacturer’s guidelines and your organization’s safety procedures. Begin by powering down the UPS according to the user manual and disconnecting it from any connected equipment. Access the battery compartment and carefully remove the existing RBC, noting orientation and connector alignment. Align the new RBC with the slots and connectors, slide it into place, and secure any latches or retaining hardware. Reconnect any cables as required, close the battery access panel, and perform a self-test or built-in diagnostic procedure as instructed by the UPS to verify proper operation. Once the unit passes the self-test, restore power to the protected equipment and monitor the UPS indicators to confirm normal run-time and battery health. For ongoing reliability, document the replacement date and schedule routine battery health checks as part of your data center maintenance program.
Frequently asked questions
- Q: What models does the Eaton RBC support? A: The RBC is designed for select 3kVA Eaton UPS models, including the 5PX and 9PX series, as well as compatible Tripp Lite SMART3000RM2U/2UN units. Always verify compatibility with your specific model number and firmware version using official Eaton documentation or your supplier’s catalog.
- Q: Why should I replace my RBC? A: Replacing aging or degraded battery cartridges helps restore maximum UPS runtime, maintain protection during outages, and extend the life of your UPS investment without replacing the entire unit. Regular RBC replacement is a key component of proactive data center maintenance.
- Q: Is the RBC easy to install for non-technical staff? A: While the process is designed to be straightforward, it involves safely handling electrical hardware and adhering to proper shutdown procedures. If you’re not confident, consult a qualified technician or refer to the UPS manufacturer’s installation guide for step-by-step instructions tailored to your model.
- Q: Does this RBC come with a warranty? A: Replacement battery cartridges from the OEM typically include a warranty aligned with the manufacturer’s policy. Check the accompanying documentation or contact the seller for the exact warranty terms and coverage for your RBC.
- Q: How can I maximize the life of my RBC? A: Store and install the RBC per the manufacturer’s guidelines, conduct regular battery health checks, perform UPS self-tests, avoid exposure to extreme temperatures, and monitor battery capacity over time. Keeping up with routine maintenance helps ensure reliable backup power when you need it most.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.8 ★★★★★
Based on 20 reviews
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Product Reviews
★★★★★ 5
Hands down, the BEST handheld frother I've ever used!
Color: Black
Hands down, the BEST handheld frother I've ever used! I got the black one, but any color will have the same results.
Over the past 12 years or so, I've used so many different handheld frothers and they've ALL fallen short of expectations for quality, longevity, power, features, and usability.
I've used everything from cheap, $15 models to $50+ models and everything in-between. Some with fancy attachments for various types of mixing, frothing, beating, whipping, etc. Some with rechargeable batteries, some without. Some AC powered, some with fixed whisks, some with detachable/replaceable whisks, some with stands, etc. NONE have been spectacular. Most broke within 6 months and got tossed. ALL were major disappointments in the end, including the "revered" Zulay models of which I tried several.
I finally found this Maestri House branded, variable speed frother with detachable / replaceable whisks and got one to try. I was literally on Cloud Nine the first time I turned it on. Like, WOW! Not only was it FAST on the highest speed, but it was powerful enough to churn right through milk, eggs, cream, etc, without bogging down like many others.
This thing makes milk froth like a milkshake and Matcha Lattes like nothing else I've ever experienced. I used to have to sift my Matcha, then whisk it in hot water, then froth milk and then blend them together to make the perfect latte. and if the milk was cold (my preference), pre-whisking in hot water was a must to avoid lumps. However, with THIS frother? I literally pour my milk into a tall tumbler, drop in un-sifted Matcha powder, and spin up the Maestri House frother at first on a medium low speed to get it mixed, then jump straight to the highest speed to really whip that milk and match up. After about 30-45 seconds, I've got the thickest, richest, smoothest, most aerated latte around. And NO LUMPS at all!!! What a time and dish saver!
And cleaning? I just run it under hot running water to get the shaft cleaned and then spin it up in a dish with hot running water for a few moments, then spin it on high for a few seconds in the air to dry it off instantly.
Now, I'll be honest here, too. The specs say it can go months on a charge, using it for a couple minutes a couple times daily. Well, I guess it could do that and still spin. But I use it FULL SPEED, churning hard for at least a minute a couple times per day. After about 2 weeks, I can start to notice a speed reduction so I just plug it back in on the charger. All things considered, this is still better than all the other handheld frothers I've used over the years.
After using the heck out of this thing for the past 7 months, I've even decided to start selling these in our Japanese gift shop. The manufacturer is has been very responsive both in customer support (I called them about an issue I thought I was having, and they called me back with a couple hours even though I didn't leave voicemail when they didn't answer right away) and in reseller support. I have to give these guys an A+ for responsiveness and quick resolution when problems might arise.
HIGHLY recommended!!
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Reviewed in the United States on October 17, 2025
★★★★★ 5
Great Addition!
Color: Black
Why did you pick this product vs others?:
I just started a powdered drink routine recently and was having a difficult time mixing it with water. I would consistently end up with small nuggets of mix making it unenjoyable to drink. I knew I needed a mixer and was glad I found this device when I did. It works perfectly! I like the fact that it comes with its own stand and included two mixing heads. It is solid, well-designed, and you can feel the quality when you pick it up. The variable speed of the mixer is perfect for ensuring that everything is blended well. I haven’t used it to “froth” anything yet, at least not on purpose, but I accidentally found out that it can do that well. This is a great addition to our kitchen and is very easy to wash after use. So far…no issues. Highly recommend for those of you looking for the right tool to make sure those protein mixes aren’t full of unmixed nuggets.
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Reviewed in the United States on June 21, 2025
★★★★★ 4
Low foam
Color: Black
Love this frother. It is great quality and the turn speed is amazing. My only issue is this. It comes w 2 wands and they are both singles. The single is great for stirring things up. It does not make a lot of froth and for some things it’s perfect but sometimes I like a lot of froth and I wish it either came w a single and a double or you could purchase a double separately to intermix. I don’t want to buy a whole other unit just for the double. I wrote to them bc the double frother they sell doesn’t look as good as this one but sometimes a girl needs a lot of foam and sometimes th stirring is perfect.
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Reviewed in the United States on February 20, 2026
★★★★★ 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
★★★★★ 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