Description
The Vertiv Liebert PSI5-1500RT120LI is a 1500VA/1350W lithium-ion UPS that delivers reliable protection for servers, network devices, and mission-critical IT equipment. Featuring up to 10 years of battery life—twice that of traditional VRLA units—this 2U rack/tower UPS reduces maintenance costs and downtime. The unit includes AVR technology, pure sine wave output, and hot-swappable batteries with quick 2-hour recharge. With up to 18 minutes runtime at half load and programmable outlets, it supports seamless transitions and extended uptime. Remote management and environmental monitoring capabilities are available with optional cards and sensors. Backed by a 5-year advanced replacement warranty.
| Specification | Details |
|---|---|
| Model | PSI5-1500RT120LI |
| Form Factor | 2U Rack/Tower |
| Capacity | 1500VA / 1350W |
| Input Voltage | 120V AC |
| Output Voltage | 120V AC (Pure Sine Wave) |
| Battery Type | Lithium-Ion (10-year life) |
| Recharge Time | 2 Hours |
| Runtime (Half Load) | Up to 18 Minutes |
| Runtime (Full Load) | Up to 8 Minutes |
| Receptacles | 6 × NEMA 5-15R |
| Input Plug Type | NEMA 5-15P |
| AVR (Automatic Voltage Regulation) | Yes |
| Hot-Swappable Batteries | Yes |
| Data Line Protection | RJ-11, RJ-45 |
| Remote Management | Optional via card |
| Cord Length | 10 ft |
| LCD Display | Rotatable (rack/tower use) |
| Dimensions (HxWxD) | 3.4" x 17.2" x 16.1" |
| Weight | Approx. 28.3 lbs |
| Certifications | UL, c-UL, FCC, NOM, RoHS, WEEE, REACH |
| Warranty | 5-Year Advanced Replacement |
| Shipping Weight | 43 lbs |
| Product Condition | New and Factory Fresh |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
