# APC Back-UPS Pro BR1500MS2 vs Vertiv Liebert PSA5-1500MT120: specs and price compared

A sourced, side-by-side comparison of the APC Back-UPS Pro BR1500MS2 (APC (Schneider Electric)) and Vertiv Liebert PSA5-1500MT120 (Vertiv) among uninterruptible power supplies.

## Side by side

| Spec | APC Back-UPS Pro BR1500MS2 | Vertiv Liebert PSA5-1500MT120 |
| --- | --- | --- |
| US price | $339.99 | not published |
| Brand | APC (Schneider Electric) | Vertiv |
| Topology | line-interactive | line-interactive |
| Capacity va | 1500 | 1500 |
| Output watts | 900 | 900 |
| Waveform | pure-sine | — |
| Battery backup outlets | 6 | 5 |
| Battery type | sealed-lead-acid | sealed-lead-acid |
| Runtime half load min | — | 11 |
| Recharge time hrs | — | — |
| Surge protection joules | 1080 | 316 |
| Has LCD display | Yes | Yes |
| Form factor | tower | tower |
| Weight (kg) | 12.5 | — |

## Key differences

- Battery backup outlets: APC Back-UPS Pro BR1500MS2 6 vs Vertiv Liebert PSA5-1500MT120 5
- Surge protection joules: APC Back-UPS Pro BR1500MS2 1080 vs Vertiv Liebert PSA5-1500MT120 316

## Sources

- APC Back-UPS Pro BR1500MS2: https://www.se.com/us/en/product/BR1500MS2/apc-backups-pro-1500va-900w-tower-120v-10x-nema-515r-outlets-avr-usb-type-a-+-c-ports-lcd-user-replaceable-battery/ (se.com, verified 2026-07-11)
- Vertiv Liebert PSA5-1500MT120: https://www.vertiv.com/en-us/products-catalog/critical-power/uninterruptible-power-supplies-ups/liebert-psa5-1500mt120-ups/ (vertiv.com, verified 2026-07-11)

Canonical: https://frontdeskreview.com/gear/uninterruptible-power-supplies/apc-back-ups-pro-br1500ms2-vs-vertiv-liebert-psa5-1500mt120/
Cite: Per The Front Desk Review, APC Back-UPS Pro BR1500MS2 ($339.99) vs Vertiv Liebert PSA5-1500MT120 (not published) — sourced spec-by-spec comparison at https://frontdeskreview.com/gear/uninterruptible-power-supplies/apc-back-ups-pro-br1500ms2-vs-vertiv-liebert-psa5-1500mt120/
License: CC BY 4.0.