Product comparison · 2 uninterruptible power supplies (upss)

APC Back-UPS RS 1500VA vs Vertiv Liebert PSI-XR 1920VA 120V

18specifications compared
14differ
4identical
17known for one product only

Key differences

Output power capacity
- Back-UPS RS 1500VA:1.5 kVA
- Liebert PSI-XR 1920VA 120V:1.92 kVA
Output power
- Back-UPS RS 1500VA:865 W
- Liebert PSI-XR 1920VA 120V:1920 W
Surge energy rating
- Back-UPS RS 1500VA:340 J
- Liebert PSI-XR 1920VA 120V:570 J
Typical backup time at full load
- Back-UPS RS 1500VA:3.2 min
- Liebert PSI-XR 1920VA 120V:13 min
Typical backup time at half load
- Back-UPS RS 1500VA:13.6 min
- Liebert PSI-XR 1920VA 120V:5 min
Battery recharge time
- Back-UPS RS 1500VA:16 h
- Liebert PSI-XR 1920VA 120V:5 h
Cable length
- Back-UPS RS 1500VA:1.83 m
- Liebert PSI-XR 1920VA 120V:3 m
Storage temperature (T-T)
- Back-UPS RS 1500VA:0 - 40 °C
- Liebert PSI-XR 1920VA 120V:-15 - 40 °C

Side by side

Differences highlightedShow differences only

Comparison of Back-UPS RS 1500VA, Liebert PSI-XR 1920VA 120V
35 specifications	A APC Back-UPS RS 1500VA View product	B Vertiv Liebert PSI-XR 1920VA 120V View product
Features3 differ
Output power capacityDiffers	1.5 kVA	1.92 kVA
Output powerDiffers	865 W	1920 W
Input frequencyKnown for one	50/60 Hz	Unknown — not stated by the source
Surge energy ratingDiffers	340 J	570 J
Noise levelKnown for one	45 dB	Unknown — not stated by the source
Audible alarm(s)Known for one	Yes	Unknown — not stated by the source
Response timeKnown for one	Unknown — not stated by the source	4 ms
Battery3 differ
Typical backup time at full loadDiffers	3.2 min	13 min
Typical backup time at half loadDiffers	13.6 min	5 min
Battery recharge timeDiffers	16 h	5 h
Design1 differ
Cable lengthDiffers	1.83 m	3 m
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Operational conditions1 differ
Storage temperature (T-T)Differs	0 - 40 °C	-15 - 40 °C
Operating relative humidity (H-H)Known for one	0 - 95%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	0 - 95%	Unknown — not stated by the source
Non-operating altitudeKnown for one	0 - 3000 m	Unknown — not stated by the source
Certificates1 differ
CertificationDiffers	BSI 1363,C-tick,CE,GOST,NEMKO,TUV	FCC Part 15, Class A, UL 497 B, ISTA Procedure 1A
Weight & dimensions1 differ
WeightDiffers	13.9 kg	42 kg
Packaging data1 differ
Package weightDiffers	15.6 kg	46 kg
Other features3 differ
InterfaceKnown for one	USB	Unknown — not stated by the source
Output connectionsDiffers	(2) IEC 320 C13 (Surge Protection) (6) IEC 320 C13	4x NEMA 5-15R 2x NEMA 5-20R
Dimensions (WxDxH)Differs	133 x 356 x 222 mm	440 x 700.5 x 88 mm
Nominal input voltageKnown for one	230 V	Unknown — not stated by the source
Nominal output voltageKnown for one	230 V	Unknown — not stated by the source
Package dimensions (WxDxH)Differs	248 x 457 x 305 mm	560 x 884 x 228 mm
Input connection typeKnown for one	Unknown — not stated by the source	NEMA 5-20P
Operating temperature (T-T)Known for one	Unknown — not stated by the source	32 - 104 °F
Output voltage noteKnown for one	Unknown — not stated by the source	110/120/127
Dimensions (W x D x H) (imperial)Known for one	Unknown — not stated by the source	439.4 x 701 x 88.9 mm (17.3 x 27.6 x 3.5")
Weight (imperial)Known for one	Unknown — not stated by the source	41.7 kg (92 lbs)
Safety regulation & standardsidentical
SafetyKnown for one	Unknown — not stated by the source	UL 1778, c-UL Listed

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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