SKU: 49743165165

Vertiv Liebert PSI5 Lithium-Ion UPS 3000VA/2700W 120V Line Interactive AVR

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Description

Vertiv Liebert PSI5 Lithium-Ion UPS 3000VA/2700W 120V Line Interactive AVRIn edge and distributed IT environments, uptime is non negotiable. The Vertiv Liebert PSI5 Lithium Ion UPS is engineered to shield critical equipmentfrom edge servers and network gear to telecom cabinetsagainst power disturbances, outages, and voltage irregularities. This 3 kVA UPS uses advanced lithium ion battery technology to deliver longer runtime and a stronger, more durable power reserve than traditional VLRA units, enabling your systems to stay

In edge and distributed IT environments, uptime is non-negotiable. The Vertiv Liebert PSI5 Lithium-Ion UPS is engineered to shield critical equipment—from edge servers and network gear to telecom cabinets—against power disturbances, outages, and voltage irregularities. This 3 kVA UPS uses advanced lithium-ion battery technology to deliver longer runtime and a stronger, more durable power reserve than traditional VLRA units, enabling your systems to stay online when it matters most. With a five-year advanced replacement warranty, the PSI5 is designed for long-term reliability, reduced maintenance, and simplified service in remote or space-constrained locations.

Built for edge deployments, the Liebert PSI5 integrates seamlessly into micro data centers, edge racks, and distributed IT closets. Its 120V line-interactive AVR topology protects against voltage sags and surges, while its lightweight form factor simplifies installation in tight spaces. If your organization relies on continuous uptime—whether for on-site data capture, industrial control, or cloud-enabled edge services—the PSI5 Lithium-Ion UPS provides a robust, scalable power foundation that reduces risk and extends the life of your infrastructure.

  • High-capacity 3000 VA / 2700 W at 120 VAC to safeguard servers, storage, and networking gear in edge and distributed IT environments.
  • Lithium-Ion battery technology delivers more than double the runtime and longer service life compared with traditional VLRA UPS units, reducing maintenance and replacement costs.
  • Line-Interactive AVR topology protects connected equipment from voltage sags, surges, and minor power fluctuations, preserving data integrity and hardware life.
  • Five-year advanced replacement warranty provides long-term protection and peace of mind for mission-critical workloads.
  • Lightweight, compact design with flexible installation options—rack, cabinet, or wall-mount—optimized for tight edge locations and distributed IT setups.

Technical Details of Vertiv Liebert PSI5 Lithium-Ion UPS 3000VA/2700W 120V Line Interactive AVR

  • Model: Vertiv Liebert PSI5 Lithium-Ion UPS
  • Capacity: 3000 VA / 2700 W
  • Input Voltage: 120 V AC
  • Output Voltage: 120 V AC
  • Topology: Line-Interactive AVR
  • Battery Type: Lithium-Ion
  • Warranty: 5-year advanced replacement
  • Usage: Edge and distributed IT, protection for servers, networking gear, and other critical equipment

How to install Vertiv Liebert PSI5 Lithium-Ion UPS 3000VA/2700W 120V Line Interactive AVR

  • Plan the location: choose a cool, dry, well-ventilated space with access to a 120 V power outlet and adequate clearance for airflow and serviceability.
  • Prepare installation: determine whether the unit will be mounted in a rack, cabinet, or wall-mount setup, and assemble mounting hardware if needed.
  • Connect the UPS to mains: plug the input cord into a proper 120 V AC outlet that matches the unit’s power requirements.
  • Connect protected loads: route your critical devices—servers, network switches, storage, and telecom gear—to the UPS output outlets, ensuring total load does not exceed the rated capacity.
  • Configure management features: install any included management software, enable the AVR settings, and configure alert thresholds, runtime monitoring, and shutdown policies to align with your operational procedures.

Frequently asked questions

  • Q: What makes the PSI5 Lithium-Ion UPS different from VLRA models?

    A: The PSI5 uses Lithium-Ion batteries, delivering more than double the battery life, lighter weight, and longer service intervals compared with traditional VLRA units, which translates into lower maintenance costs and reduced downtime.

  • Q: Is the PSI5 suitable for edge computing and micro data centers?

    A: Yes. Its compact footprint, 3000 VA capacity, and line-interactive AVR topology are well-suited for protecting edge servers, routers, storage, and other critical devices in distributed IT environments.

  • Q: Does the product come with a warranty?

    A: Yes. The PSI5 includes a five-year advanced replacement warranty, offering long-term protection against hardware failures and rapid replacement when needed.

  • Q: How do I monitor the UPS status?

    A: The PSI5 provides LED indicators and compatibility with vendor management software, allowing you to monitor runtime, battery health, input/output status, and alarm notifications from a centralized interface.

  • Q: What installation options does the PSI5 support?

    A: The unit is designed for rack, cabinet, or wall-mount installations, delivering flexible deployment in space-constrained edge environments.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 49743165165

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4.6 ★★★★★
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dmart
Natrona Heights, US
★★★★★ 5
USED FOR SINUS ISSUES WITH GREAT SUCCESS
Size: 60 Count (Pack of 1)
Finally my 3 months of sinus congestion and cough are going away. My ears are also draining slowly too. This + oil pulling is helping with tooth sensitivity. Get this! I have struggled with sinus issues my entire life with brief breaks from problems. I have had easily over 80 antibiotic prescriptions in my life for ear infections, 7 ear surgeries for a non-cancerous tumor, sinus infections, strep, etc. Last year the sinus problems began again and I was becoming dependent on antibiotics (5 infections in 3 months). After researching and concluding the bacterial infections were secondary to a fungal infection, my doctor and I decided to use a Nystatin both orally and powdered form in my netipot, and this cured the problem. However I was misdiagnosed with lyme this summer and was on antibiotics for a month. I also got strep throat, leading to another week of antibiotics. The sinus problems returned. I would have gone back to that doctor for more nystatin, however, I moved so that primary care, who was amazing and listened to me and trusted my science background, was no longer an option for me to visit. So I began researching ways to overcome ENT problems naturally and this probiotic came up as a good choice for sinus and teeth issues (I have also been having severe tooth sensitivity). And I am happy to say it is working. Additionally I have been putting the juice of kimchi up my nostrils and in my ears. The latter resulting in my ears draining onto my pillows for the first few nights. I do not recommend Nystatin or any other fungal killer for that matter. After using Nystatin, I starting developing other problems like random joint and muscle pains, and I believe that is because the fungus was moving out of my intestines into the blood stream to escape the Nystatin (it has low absorption into the blood). I don't even recommend natural fungal killers like oil of oregano, pau d'arcco, neem, etc. I had been using for months and my intestinal candida was not improving. I truly recommend probiotics because biological control is always superior to chemical control. There is less chance for resistance since the organisms evolved together over millenia. Also building up diversity in your microbiome is hugely important. Get a good low-histamine probiotic to help with intestinal candida overgrowth and a good oral probiotic. If you think you have systemic candida, I recommend the book Killing Candida Sweetly. I have found it helpful. I have been attempting to follow the protocols, but even with my moderate adherence, it is working.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 10, 2017
B
Verified Purchase
betsallonu
Alexandria, US
★★★★★ 4
This stuff works
Size: 60 Count (Pack of 1)
This stuff works. I'm 51 years old and about 2 years ago I started noticing stains close to the gum line on my otherwise pearly smile and also thicker plaque. I asked the dentist what to do as I'm ridiculous about brushing & flossing already. She said I should think about getting a water flosser so I did and use it 2x a day. I've gone through 3 of them in 2 yrs time as they don't seem to last long. Anyhow at my next check up my dentist commented on how well my teeth were doing and I told her I had taken her advice and water flossing. I mentioned to her that I had read a study that said the amount of plaque in your mouth is directly correlated to the amount of plaque in your heart so I was determined not to have plaque. I got a staph infection in my nose after a cruise and had awful garbage in my nose and running into my throat so I tried this stuff to heal myself. Wouldn't you know the fuzzy sweaters/plaque on my teeth lessened over time using these tablets and I no longer need to use the water flosser. I think I have a chronic Candida problem and have tried everything under the sun to get rid of it and I think this stuff corrects the digestive issues which lead to plaque and sinus problems. I'm about to order my second bottle because my teeth have no stains and actually look better than with the water flosser. Also I can easily pack the tablets for a trip and couldnt do that with the bulky water flosser. As a side note the dark circles and bags are better under my eyes so I think these tablets are healing everything related to the candida, plaque on teeth and sinus pouches. I haven't added any other vitamins or herbs to my daily regimen except these. Would have given 5 stars if a full 2 months supply (60) was in the bottle, I hate when they short you just so you have to reorder early.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 31, 2019
Z
Verified Purchase
ZOMGPWN❗
Boise, US
★★★★★ 5
Great oral probiotic!
Size: 30 Count (Pack of 1)
Great oral probiotic! Tastes very good and has the right strains for oral health. Brushing, flossing and scraping are all key... and adding in a good oral probiotic is like the icing on the cake. Not too expensive either. If you are looking for a product like this, I can highly recommend NatureWise.
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Reviewed in the United States on December 8, 2025
K
Verified Purchase
KJ
Houston, US
★★★★★ 3
Didn't Hurt, Didn't Help Much Either.
Size: 60 Count (Pack of 1)
Recently I was looking for an oral probiotic to help with sinus, gums and tartar for both myself and some pets. As a result, I purchased both this product and Great Oral Health's probiotics. Even though this product did have some positive effect as regards sinus pressure, it took two tables three times a day to work. Also, I noticed that an earthy, clay-like smell to breath in both myself and my pets as a result of using them. It didn't cause any harm, only that it was slightly disconcerting to smell like dirt. The product from Great Oral Health didn't take as long to produce results, and there was a visible reduction in tartar. Also, no odor. All in all, nothing majorly wrong with the product, except that it doesn't have results noticeable enough to warrant buying again.
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Reviewed in the United States on July 19, 2018
J
Verified Purchase
Jazzmanndan
San Leandro, US
★★★★★ 5
Same probiotic strains, but a subtle formulation update
Size: 60 Count (Pack of 1)
I’ve used NatureWise Oral Health Probiotics (WiseBiotics) for a while and recently noticed a clear difference between the older and newer version — especially in taste and texture. After comparing the labels side-by-side, there has been a formulation change. The probiotic strains are still the same (including BLIS K12 and M18), but the newer version now lists Organic Inulin (90 mg) as an active ingredient instead of just a minor “other ingredient.” This seems to explain the changes I noticed: • The tablets feel more powdery/chalky • The taste is slightly different (a bit less crisp mint, slightly sweeter/fiber-like) • The dissolve/chew experience is not quite the same as before Inulin is a prebiotic fiber, so this change may actually help feed the probiotics — which is a positive. But it definitely changes the user experience. For me, it’s not necessarily a dealbreaker, but it’s noticeable enough that others should be aware, especially if you’re sensitive to texture or ingredients like inulin. Bottom line: Same probiotic strains, but a subtle formulation update that affects taste and texture. Still a good product — just not identical to the previous version. Hope this helps someone else who thought they were imagining things 🙂
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Reviewed in the United States on April 8, 2026

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