Product comparison · 2 uninterruptible power supplies (upss)

APC Smart-UPS RT 2000VA Rack Tower 120V vs NGS ALERT850 uninterruptible power supply (UPS) 0.85 kVA

10specifications compared
8differ
2identical
17known for one product only

Key differences

Output power capacity
- Smart-UPS RT 2000VA Rack Tower 120V:2 kVA
- ALERT850 uninterruptible power supply (UPS) 0.85 kVA:0.85 kVA
Output power
- Smart-UPS RT 2000VA Rack Tower 120V:1400 W
- ALERT850 uninterruptible power supply (UPS) 0.85 kVA:510 W
Typical backup time at full load
- Smart-UPS RT 2000VA Rack Tower 120V:5 min
- ALERT850 uninterruptible power supply (UPS) 0.85 kVA:10 min
Battery recharge time
- Smart-UPS RT 2000VA Rack Tower 120V:3 h
- ALERT850 uninterruptible power supply (UPS) 0.85 kVA:6 h
Weight
- Smart-UPS RT 2000VA Rack Tower 120V:27.5 kg
- ALERT850 uninterruptible power supply (UPS) 0.85 kVA:4.1 kg
Dimensions (WxDxH)
- Smart-UPS RT 2000VA Rack Tower 120V:432 x 559 x 85 mm
- ALERT850 uninterruptible power supply (UPS) 0.85 kVA:95 x 285 x 185 mm
Nominal input voltage
- Smart-UPS RT 2000VA Rack Tower 120V:120 V
- ALERT850 uninterruptible power supply (UPS) 0.85 kVA:230 V
Nominal output voltage
- Smart-UPS RT 2000VA Rack Tower 120V:120 V
- ALERT850 uninterruptible power supply (UPS) 0.85 kVA:230 V

Side by side

Differences highlightedShow differences only

Comparison of Smart-UPS RT 2000VA Rack Tower 120V, ALERT850
27 specifications	A APC Smart-UPS RT 2000VA Rack Tower 120V View product	B NGS ALERT850 uninterruptible power supply (UPS) 0.85 kVA Model ALERT850 View product
Features2 differ
Output power capacityDiffers	2 kVA	0.85 kVA
Output powerDiffers	1400 W	510 W
Emergency Power Off (EPO)Known for one	Yes	Unknown — not stated by the source
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
Battery2 differ
Battery technologyKnown for one	Sealed Lead Acid (VRLA)	Unknown — not stated by the source
Typical backup time at full loadDiffers	5 min	10 min
Typical backup time at half loadKnown for one	15.2 min	Unknown — not stated by the source
Battery recharge timeDiffers	3 h	6 h
Designidentical
Cable lengthKnown for one	1.83 m	Unknown — not stated by the source
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Storage temperature (T-T)Known for one	-15 - 45 °C	Unknown — not stated by the source
Operating altitudeKnown for one	0 - 3000 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	0 - 15000 m	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	0 - 85%
Certificatesidentical
CertificationKnown for one	BSMI,CSA,FCC Part 15 Class B,UL 1778, RoHS 7b	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	27.5 kg	4.1 kg
Other features3 differ
InterfaceKnown for one	DB-9 RS-232, Smart-Slot, USB	Unknown — not stated by the source
Output connectionsKnown for one	6x NEMA 5-15R	Unknown — not stated by the source
Input connection typeKnown for one	NEMA 5-20P	Unknown — not stated by the source
Dimensions (WxDxH)Differs	432 x 559 x 85 mm	95 x 285 x 185 mm
Nominal input voltageDiffers	120 V	230 V
Nominal output voltageDiffers	120 V	230 V
Ports & interfacesidentical
Serial ports quantityKnown for one	Unknown — not stated by the source	1

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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