Which UPS topology and output power quality best protects your critical load?

The APC SRT2200RMXLA-NC uses Double Conversion Online topology, which continuously regenerates a clean sine wave output regardless of input quality. Its output harmonic distortion is specified at less than 2%, and it delivers a crest factor of 3:1. Output frequency is maintained at 50/60 Hz ±3 Hz synchronized to mains. Rated output is 1800W / 2200VA.

The CyberPower PR2200RT2UC uses Line-Interactive topology, which conditions input power and switches to battery on an out-of-tolerance event with a specified response time of 6 ms. It delivers a sine wave output and is rated at 2200W / 2200VA — a unity power factor (1.0 per spec). Input operating voltage range is 75–149V at 47–63 Hz input frequency, and the unit includes EMI/RFI noise filtering. Output harmonic distortion and crest factor are not specified.

For loads sensitive to even brief voltage transitions or harmonic content — such as medical imaging, precision measurement, or high-density server infrastructure — the Double Conversion topology of the SRT2200RMXLA-NC provides zero-transfer-time isolation from input anomalies. The PR2200RT2UC's 6 ms transfer time is adequate for most IT equipment with internal hold-up, and its wide 75–149V input window reduces unnecessary battery cycling in environments with chronic voltage sag.

How does runtime capacity and battery expansion compare between these two units?

The APC SRT2200RMXLA-NC ships with one internal battery module providing 306 VAh of runtime capacity at a 72V battery bus, charged at 102W. Typical recharge time is 3 hours. Critically, the unit supports external battery expansion via the SRT72RMBP module family: one pack adds 918 VAh, scaling in increments up to 10 packs (6,426 VAh total). Expected battery life is 3–5 years; replacement batteries are APCRBC141 and SRT72RMBPUS.

The CyberPower PR2200RT2UC specifications provided do not include battery capacity in VAh, battery voltage, recharge time, expected battery life, or any external battery expansion options. Surge energy rating is listed at 2,430 J.

For deployments where extended runtime is a requirement — such as surveillance DVR/NVR systems that must continue recording through prolonged outages, or network infrastructure supporting extended failover — the SRT2200RMXLA-NC's documented expansion path is a concrete spec advantage. The PR2200RT2UC's runtime characteristics cannot be evaluated from the provided specifications.

Which unit better fits your outlet, mounting, and environmental requirements?

The APC SRT2200RMXLA-NC provides 7 output receptacles: 6× NEMA 5-20R and 1× NEMA L5-20R, fed from a NEMA 5-20P input on a 6 ft (1.83 m) cord. It is rated IP20, acoustically rated at 55 dBA, and dissipates 535 BTU/h. Operating altitude is 0–10,000 ft; storage altitude reaches 50,000 ft. Operating humidity is 0–95% non-condensing; storage temperature is −4 to 122°F (−20 to 50°C). Weight is 55.01 lb (24.95 kg).

The CyberPower PR2200RT2UC provides 8× NEMA 5-20R output receptacles from a 10 ft cord, with a maximum output current of 15A. Noise level is 52.5 dB and heat dissipation is 135 BTU/h. IP rating, operating altitude, storage temperature, storage altitude, and unit weight are not specified in the provided data.

The PR2200RT2UC offers one additional NEMA 5-20R outlet and a longer 10 ft input cord, and its 135 BTU/h heat dissipation is notably lower — relevant in thermally constrained enclosures. The SRT2200RMXLA-NC adds a locking L5-20R receptacle suited for high-availability loads requiring a secured connection, and its full environmental envelope is documented, enabling deployment qualification for altitude-sensitive or temperature-extreme edge installations.

Which should you choose: the SRT2200RMXLA-NC or the PR2200RT2UC?

Our take: The SRT2200RMXLA-NC is the stronger choice when output power purity, documented battery expandability, and full environmental qualification are non-negotiable. Its Double Conversion Online topology delivers sub-2% output harmonic distortion and zero transfer time versus the PR2200RT2UC's 6 ms Line-Interactive switch. The APC unit supports up to 10 external battery packs extending runtime to a documented 6,426 VAh, while the CyberPower's runtime capacity and expansion options are absent from the provided specifications. The SRT2200RMXLA-NC also ships with a locking L5-20R outlet alongside six 5-20R receptacles. Conversely, the PR2200RT2UC specifies 2200W at unity power factor versus the APC's 1800W real-power output, dissipates substantially less heat (135 vs. 535 BTU/h), and includes 8× NEMA 5-20R outlets on a 10 ft cord. It is the more appropriate choice for cost-sensitive deployments with predominantly switched-mode IT loads in well-cooled racks where extended runtime expansion is not required.

Side-by-Side Comparison

Spec-for-spec, from manufacturer data.

Frequently Asked Questions

Related Resources

• APC by Schneider Electric SRT2200RMXLA-NC product page — full specs and to add to a quote
• CyberPower PR2200RT2UC product page — full specs and to add to a quote