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Description
Eaton Tripp Lite Series ±120VDC External Battery Cabinet for Select 10-30K S3M-Series 3-Phase UPS - 20x 40Ah VRLA (AGM) BatteriesEnsure your critical operations stay online when power fails with the 120VDC External Battery Cabinet designed for select SmartOnline S3M Series 3 phase UPS systems. This high capacity external battery solution is purpose built to deliver extended runtime for data centers, telecommunications networks, industrial facilities, security systems, and emergency response environments. The cabinet pairs seamlessly with compatible S3M Series UPS units to
Ensure your critical operations stay online when power fails with the ±120VDC External Battery Cabinet designed for select SmartOnline S3M-Series 3-phase UPS systems. This high-capacity external battery solution is purpose-built to deliver extended runtime for data centers, telecommunications networks, industrial facilities, security systems, and emergency response environments. The cabinet pairs seamlessly with compatible S3M-Series UPS units to provide resilient, scalable backup power, helping you protect uptime, prevent data loss, and maintain mission-critical performance even during outages.
- High-capacity battery bank: 20 x 40Ah VRLA ( AGM) batteries deliver robust, maintenance-friendly runtime for critical loads. This substantial stack increases available runtime, enabling longer graceful shutdowns or continued operation during grid interruptions.
- ±120VDC external battery solution: Optimized for compatible SmartOnline® S3M-Series 3-phase UPS, providing a stable DC backfeed that extends runtime without overtaxing the main UPS or facility power systems.
- Extended runtime for essential services: Ideal for data centers, telecom networks, industrial automation, security monitoring, and emergency services where uninterrupted power is non-negotiable and downtime costs are high.
- Rugged, serviceable cabinet: Built to endure 24/7 operation in demanding environments, with straightforward access for inspection, maintenance, and battery replacement, helping reduce maintenance windows and lifecycle costs.
- Easy integration for reliable uptime: Designed for plug-and-play compatibility with select S3M-Series UPS units, enabling a smooth deployment path and quick return on investment while preserving system reliability.
Technical Details of Eaton Tripp Lite Series ±120VDC External Battery Cabinet for Select 10-30K S3M-Series 3-Phase UPS
- Battery type: VRLA ( AGM)
- Number of batteries: 20
- Battery configuration: 20 x 40Ah per battery
- External DC voltage: ±120VDC
- Compatibility: Select SmartOnline® S3M-Series 3-Phase UPS units (10-30KVA range)
- Battery chemistry: VRLA AGM for reliable performance in varied temperatures and environments
- Applications: Data centers, telecommunications, networks, industrial facilities, security, and emergency systems requiring extended backup power
- Package contents: External battery cabinet with 20 x 40Ah VRLA AGM batteries included (where specified by SKU)
how to install Eaton Tripp Lite Series ±120VDC External Battery Cabinet for Select 10-30K S3M-Series 3-Phase UPS
- Verify compatibility: Confirm that your UPS is within the SmartOnline S3M-Series 3-Phase family and that the UPS model supports external ±120VDC battery configurations. Review the user manual or consult technical support if you are unsure about the exact SKU compatibility.
- Power down and prepare: Before installation, power down the UPS and disconnect main input sources to ensure a safe work environment. Confirm that any battery replacement or extension work complies with your facility’s safety protocols and local regulations.
- Position the cabinet: Place the external battery cabinet in a secure, well-ventilated area near the UPS. Ensure there is adequate clearance for maintenance access and cable routing, and follow any manufacturer-recommended mounting or stand requirements if floor mounting or rack mounting is used.
- Connect the DC link: Use the supplied DC interconnect cables to connect the external battery cabinet to the UPS DC input/output terminals designated for external battery banks. Follow the wiring diagram in the installation guide precisely to avoid incorrect polarity or loose connections.
- Secure and inspect: After wiring, secure all connections with the appropriate fasteners, verify cable routing to prevent strain or interference, and inspect physically for signs of damage or wear. Check for proper ventilation signs and ensure there are no obstructed vents in the cabinet or surrounding area.
- Configure UPS settings: Power up the UPS and access its configuration interface to recognize the external battery bank. Enable external battery monitoring if available, and set runtime expectations according to the load profile and desired uptime targets.
- Test and validate: Run a controlled battery discharge or runtime test to validate that the external cabinet provides the expected extension of runtime under your typical load. Monitor voltage, current, and temperature readings during the test to confirm stable operation.
- Documentation and maintenance: Record serial numbers, installation dates, and maintenance windows. Establish a regular inspection and battery health check schedule to ensure long-term reliability and uptime performance.
Frequently asked questions
-
Q: What is the primary benefit of using an external ±120VDC battery cabinet with S3M-Series 3-Phase UPS?
A: The external cabinet provides a substantial boost to runtime, allowing critical loads to remain powered during outages beyond the capabilities of the UPS alone, which is essential for data integrity, equipment protection, and uninterrupted service in high-demand environments. -
Q: What batteries are included in this cabinet?
A: The cabinet includes 20 VRLA ( AGM) batteries, each rated at 40Ah, forming a high-capacity bank designed for extended backup periods. -
Q: Is this external battery cabinet compatible with all S3M-Series 3-Phase UPS units?
A: Compatibility is specified for select 10-30K S3M-Series 3-Phase UPS units. Always verify model compatibility with the vendor or reference the product SKU to ensure proper integration. -
Q: How should I approach installation to ensure safety and reliability?
A: Installation should be performed by qualified personnel following the manufacturer’s instructions. Key steps include verifying compatibility, powering down the system, mounting the cabinet in a suitable location, correctly wiring the DC interconnects, configuring UPS settings, and conducting a runtime test after installation. -
Q: Can this cabinet be used to extend uptime for critical services such as data centers and security systems?
A: Yes. The external battery cabinet is designed to extend uptime for critical loads, including data centers, telecommunications networks, industrial facilities, security systems, and other operations where continuous power is essential. -
Q: What maintenance considerations come with VRLA AGM batteries?
A: VRLA AGM batteries are maintenance-free compared to flooded lead-acid types, but they still require periodic inspection, temperature monitoring, and eventual replacement when capacity declines. Use proper safety equipment and follow the manufacturer’s recommended maintenance plan to maximize life and reliability.
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
4.2 ★★★★★
Based on 8 reviews
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Product Reviews
★★★★★ 5
Pillow comfort and quality
Size: Queen / Standard, Color: White
Bought this for my husband. He is very happy with it. It is well constructed. He doesn’t like too firm or too soft. It meets those requirements. Very reasonably priced. I have bought very expensive pillows that aren’t even comfortable!
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Reviewed in the United States on May 25, 2026
★★★★★ 4
Pretty good.
Size: Queen / Standard, Color: White
Me and my fiancé have been going through a lot of pillows, trying to find the right ones. We go to this local hotel to unwind and use the whirlpool sometimes. Their pillows are immaculate. So I starting looking at “Hotel Pillows”. These are not the same as the hotel pillows, not even close tbh, but they are the best ones I’ve bought so far. They are comfy from day one. I was worried when opening the box and seeing that they had the same cover on them as others I bought before, but they were not the same. Pretty comfortable, and less neck pain than any of the other ones. My house is like the house of pillows and I am finally going to start getting rid of the old ones. Maybe we’ll find some down pillows to put on our registry, but until then, these are staying on my bed.
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Pleasant surprise, warm and fluffy
Size: Queen, Color: White, Size: Queen, Color: White
For the past couple years my girlfriend and I have gone through a few cheap comforters. We never really gave much thought to them and subsequently they never impressed us. I grew up using a down comforter and have very fond memories of that blanket. The comfort and warmth was something that I hadn't experienced since I had moved out and gotten my own comforter. So this has been in the back of my mind ever since but I wasn't sure if I wanted to dish out that kind of money for a blanket and also deal with the hassle of dry cleaning it. Also by purchasing a down blanket we'd be supporting an industry in which the down feathers from geese are taken from them and that's not something we personally wanted to support. So for all those reason we started looking into down alternative. The first thing that made me question these products was the price, they seem TOO cheap. I was raised with the mantra, "you get what you pay for" and with that in mind I was quite weary when looking at these products. I always make sure to compare many different products and read through the reviews, both good and bad before I buy something. I decided to take a chance on this particular one as it seemed to be the highest rated by customers and I liked what I saw in the images provided by said customer. If anything, the price was low enough that I wasn't too worried if I didn't end up liking it.
Now I wasn't actually home when it arrived but my girlfriend confirmed that it was very flat right out of the package, as was expected. By the time I got home 2-3 hours later it appeared to be fully fluffed. The material it is made of is very soft and comfortable on your skin and I was pleasantly surprised with the thickness/fluffyness. It is a fairly light blanket, similar to a down blanket I suppose in that regard. So far I have only slept with it one night but it did a great job of keeping me warm. I live in Wisconsin and the temperatures this week have been ranging from -10 over night to single digits during the day. I had been using 2 blankets prior to getting this one and sometimes I would still wake up in the night feeling cold. But so far with this blanket alone I have stayed warm which again was a pleasant surprise.
I do have to say that this doesn't remind me a whole lot of my down blanket and I think that may have to do with the material used in the shell. And you're not going to be 100% able to recreate a down blanket not using down. So if you are looking for something that feels exactly like down and won't be satisfied otherwise, this might not be for you. However, if you are looking for a good quality, warm, fluffy and affordable priced blanket that will give you that "cloud" like feeling, I think you would be really happy with this blanket.
Again this is my opinion from using it for one night, I can not comment on the durability or longevity of this blanket, but I am hoping that it holds up over time.
**also our cats immediately fell in love with it, it is their new favorite spot to nap.
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Reviewed in the United States on December 29, 2017
★★★★★ 5
High quality duvet!
Size: Twin XL, Color: White, Size: Twin XL, Color: White
Extremely comfortable, soft, and thick duvet! It is also very light despite its thickness, and it makes all my comforters look super fluffy. It keeps me warm without making me sweat. It’s easy to wash, high quality, and it has 3 loops on all 4 sides of the comforter. You could also use this duvet by itself if you wanted to since it is so comfortable and looks like a white comforter on its own. Absolutely love this duvet and do recommend!
(I will add another photo of the duvet by itself when I take the duvet cover off to wash it)
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Reviewed in the United States on April 18, 2026
★★★★★ 5
Super impressed for the price!
Size: Queen, Color: White
I didn’t have super high expectations ordering this, but it ended up being way better than I thought. It’s really soft and has that fluffy look without feeling super heavy. I was worried it would feel cheap or flat, but it actually holds its shape really well.
I’ve been using it for a bit now and it still looks good on my bed, not lumpy or uneven. It’s warm enough but not too hot, so I’ve been able to use it comfortably without waking up overheating.
I’ve also washed it and it didn’t fall apart or lose its fluff, which was a big thing for me. For the price, it honestly feels like something more expensive.
Only thing I’d say is if you like a super thick/heavy comforter, this one is more on the lightweight side, but I personally prefer that. Overall really happy with it and would buy again.
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Reviewed in the United States on April 7, 2026