3000VA 208/230V Online Rack/Tower UPS Comparison
Online rack UPS systems are widely deployed in IT, network, AV, and edge environments requiring compact footprint and continuous conditioned power. The Xtreme Power P91g-3000 and APC Smart-UPS SRT3000RMXLT are both 208/230 V online double-conversion UPS platforms designed for these applications.
While both systems use VRLA batteries and similar 2U rack formats, the P91g-3000 delivers higher usable output power (unity power factor), significantly higher charging capability for extended runtime systems, and TAA compliance.
For deployments prioritizing maximum real-power capacity, faster recharge with external batteries, and government eligibility, the P91g-3000 provides a high-performance 208/230 V UPS platform.
Learn more about the Xtreme Power P91g UPS
https://xpcc.com/products/p91g/
Key Differentiators at a Glance
• Full 3 kW unity-power-factor output
• Much higher charge current (up to 8 A)
• Faster recharge with extended batteries
• TAA-compliant UPS platform
• Lighter chassis with similar footprint
• Strong high-altitude capability
3000VA 208/230V UPS Feature Comparison
208/230V Rack Applications
| Feature | Xtreme Power P91g-3000 | APC SRT3000RMXLT | Notes / Considerations |
| Battery Chemistry | VRLA | VRLA | Equal chemistry |
| Capacity | 3000VA / 3000W | 3000VA / 2700W | Higher usable power |
| Topology | Online double conversion | Online double conversion | Equivalent protection |
| Runtime (internal) | ~3 min @ 3 kW | ~3 min @ 2.7 kW | Comparable baseline |
| Charge Current | Programmable 1–8 A | ~1.5–2 A | Much higher |
| Recharge Time | <3 hr | ~3 hr (longer w/EBM) | Faster recharge |
| Extended Batteries | Up to 7 packs | Up to 10 packs | Comparable scaling |
| Size & Weight | 17.2×24.8×3.4 in; 60.6 lb | 17.0×25.0×3.4 in; 69 lb | Lighter |
| Operating Altitude | Derate >6500 ft | Derate >4921 ft | Higher capability |
| TAA Compliance | Yes | No | Federal eligible |
| Warranty | 3-year | 3-year | Equal |
Download the Printable Comparison
Download the Xtreme Power P91g APC SRT comparison PDF
Ideal for engineering submittals, bid reviews, and procurement evaluations.
https://xpcc.com/wp-content/uploads/Xtreme-P91g-3000-APC-Smart-UPS-SRT3000RMXLT-Comparison.pdf
Where the P91g-3000 Excels
• High-density IT loads needing full 3 kW output
• Extended runtime deployments with EBMs
• Fast recharge recovery requirements
• Federal / public-sector installations
• Edge and distributed IT environments
• High-altitude deployments
When APC SRT3000RMXLT May Be a Fit
• Facilities standardized on APC UPS
• Existing APC runtime ecosystems
• Installations matching APC service infrastructure
Who Should Choose Which?
Choose the Xtreme Power P91g-3000 if you need:
• Full 3 kW usable output
• Higher charge current for EBMs
• Faster recharge recovery
• TAA-compliant UPS
• Lighter 208/230 V rack platform
• Strong altitude capability
Choose APC SRT3000RMXLT if you need:
• Alignment with APC infrastructure
• Compatibility with existing APC battery packs
• Consistency with APC service environment
Compare P91g to Other 208/230V UPS Platforms
Evaluating online UPS options for rack deployments?
View all P91g UPS comparisons:
https://xpcc.com/p91g-ups-comparisons/
Plan With Confidence
Xtreme Power Conversion supports UPS selection, runtime planning, and deployment for IT, AV, telecom, and distributed infrastructure environments.
(800) 582-4524
sales@xpcc.com