Product comparison · 2 uninterruptible power supplies (upss)

APC Back-UPS 500VA vs APC S20BLK uninterruptible power supply (UPS) 1.8 kVA 12 AC outlet(s)

20specifications compared
14differ
6identical
28known for one product only

Key differences

Output power capacity
- Back-UPS 500VA:0.5 kVA
- S20BLK uninterruptible power supply (UPS) 1.8 kVA 12 AC outlet(s):1.8 kVA
AC outlet types
- Back-UPS 500VA:C13 coupler
- S20BLK uninterruptible power supply (UPS) 1.8 kVA 12 AC outlet(s):NEMA 5–15R
AC outlets quantity
- Back-UPS 500VA:4 AC outlet(s)
- S20BLK uninterruptible power supply (UPS) 1.8 kVA 12 AC outlet(s):12 AC outlet(s)
Form factor
- Back-UPS 500VA:Mini Tower
- S20BLK uninterruptible power supply (UPS) 1.8 kVA 12 AC outlet(s):Rackmount
Cable length
- Back-UPS 500VA:1.8 m
- S20BLK uninterruptible power supply (UPS) 1.8 kVA 12 AC outlet(s):3 m
LED indicators
- Back-UPS 500VA:Power
- S20BLK uninterruptible power supply (UPS) 1.8 kVA 12 AC outlet(s):Yes
Operating relative humidity (H-H)
- Back-UPS 500VA:0 - 95%
- S20BLK uninterruptible power supply (UPS) 1.8 kVA 12 AC outlet(s):5 - 95%
Storage relative humidity (H-H)
- Back-UPS 500VA:0 - 95%
- S20BLK uninterruptible power supply (UPS) 1.8 kVA 12 AC outlet(s):5 - 95%

Side by side

Differences highlightedShow differences only

Comparison of Back-UPS 500VA, S20BLK
48 specifications	A APC Back-UPS 500VA View product	B APC S20BLK uninterruptible power supply (UPS) 1.8 kVA 12 AC outlet(s) Model S20BLK View product
Features1 differ
Output power capacityDiffers	0.5 kVA	1.8 kVA
Output powerKnown for one	300 W	Unknown — not stated by the source
Input operation voltage (max)Known for one	230 V	Unknown — not stated by the source
Output operation voltage (max)Known for one	230 V	Unknown — not stated by the source
Surge energy ratingKnown for one	240 J	Unknown — not stated by the source
Number of input phasesKnown for one	1	Unknown — not stated by the source
Number of output phasesKnown for one	3	Unknown — not stated by the source
Surge protectionKnown for one	Yes	Unknown — not stated by the source
Audible alarm(s)Known for one	Yes	Unknown — not stated by the source
EMI/RFI noise filteringKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces2 differ
AC outlet typesDiffers	C13 coupler	NEMA 5–15R
AC outlets quantityDiffers	4 AC outlet(s)	12 AC outlet(s)
USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	1
RS-232 portsKnown for one	Unknown — not stated by the source	1
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	3
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	1
Batteryidentical
Battery technologyKnown for one	Sealed Lead Acid (VRLA)	Unknown — not stated by the source
Typical backup time at full loadKnown for one	70 min	Unknown — not stated by the source
Typical backup time at half loadKnown for one	1 min	Unknown — not stated by the source
Battery recharge timeKnown for one	10 h	Unknown — not stated by the source
Design3 differ
Form factorDiffers	Mini Tower	Rackmount
Cable lengthDiffers	1.8 m	3 m
LED indicatorsDiffers	Power	Yes
Rack capacityKnown for one	Unknown — not stated by the source	3U
Display typeKnown for one	Unknown — not stated by the source	LCD
Operational conditions2 differ
Operating relative humidity (H-H)Differs	0 - 95%	5 - 95%
Storage relative humidity (H-H)Differs	0 - 95%	5 - 95%
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 40 °C
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
CertificationKnown for one	Unknown — not stated by the source	CSA, FCC 15 B, UL 1778
Weight & dimensions4 differ
WidthDiffers	115 mm	432 mm
DepthDiffers	213 mm	483 mm
HeightDiffers	185 mm	133 mm
WeightDiffers	4.9 kg	28.2 kg
Packaging data1 differ
Package weightDiffers	5.5 kg	34.5 kg
Other features1 differ
Output connection typeKnown for one	IEC 320 C13	Unknown — not stated by the source
Package dimensions (WxDxH)Differs	190 x 291 x 257 mm	513 x 594 x 335 mm
Output connectionsKnown for one	Unknown — not stated by the source	NEMA 5–15R
Input connection typeKnown for one	Unknown — not stated by the source	IEC-320 C14
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	432 x 483 x 133 mm
Nominal input voltageKnown for one	Unknown — not stated by the source	120 V
Operating temperature (T-T)Known for one	Unknown — not stated by the source	32 - 104 °F

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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