Product comparison · 2 uninterruptible power supplies (upss)

CyberPower EC650LCD uninterruptible power supply (UPS) Standby (Offline) 0.65 kVA vs Ewent EW3943 uninterruptible power supply (UPS) 1.2 kVA

21specifications compared
15differ
6identical
31known for one product only

Key differences

Output power capacity
- EC650LCD uninterruptible power supply (UPS) Standby (Offline) 0.65 kVA:0.65 kVA
- EW3943 uninterruptible power supply (UPS) 1.2 kVA:1.2 kVA
Output power
- EC650LCD uninterruptible power supply (UPS) Standby (Offline) 0.65 kVA:390 W
- EW3943 uninterruptible power supply (UPS) 1.2 kVA:600 W
Input operation voltage (min)
- EC650LCD uninterruptible power supply (UPS) Standby (Offline) 0.65 kVA:96 V
- EW3943 uninterruptible power supply (UPS) 1.2 kVA:110 V
Input operation voltage (max)
- EC650LCD uninterruptible power supply (UPS) Standby (Offline) 0.65 kVA:140 V
- EW3943 uninterruptible power supply (UPS) 1.2 kVA:240 V
Input frequency
- EC650LCD uninterruptible power supply (UPS) Standby (Offline) 0.65 kVA:47/63 Hz
- EW3943 uninterruptible power supply (UPS) 1.2 kVA:50/60 Hz
AC outlet types
- EC650LCD uninterruptible power supply (UPS) Standby (Offline) 0.65 kVA:NEMA 5–15R
- EW3943 uninterruptible power supply (UPS) 1.2 kVA:C13 coupler
AC outlets quantity
- EC650LCD uninterruptible power supply (UPS) Standby (Offline) 0.65 kVA:8 AC outlet(s)
- EW3943 uninterruptible power supply (UPS) 1.2 kVA:4 AC outlet(s)
Form factor
- EC650LCD uninterruptible power supply (UPS) Standby (Offline) 0.65 kVA:Compact
- EW3943 uninterruptible power supply (UPS) 1.2 kVA:Tower

Side by side

Differences highlightedShow differences only

Comparison of EC650LCD, EW3943
52 specifications	A CyberPower EC650LCD uninterruptible power supply (UPS) Standby (Offline) 0.65 kVA Model EC650LCD View product	B Ewent EW3943 uninterruptible power supply (UPS) 1.2 kVA Model EW3943 View product
Features6 differ
UPS topologyKnown for one	Standby (Offline)	Unknown — not stated by the source
Output power capacityDiffers	0.65 kVA	1.2 kVA
Output powerDiffers	390 W	600 W
Input operation voltage (min)Differs	96 V	110 V
Input operation voltage (max)Differs	140 V	240 V
Input frequencyDiffers	47/63 Hz	50/60 Hz
Surge energy ratingKnown for one	526 J	Unknown — not stated by the source
EMI/RFI noise filteringKnown for one	Yes	Unknown — not stated by the source
Surge protectionKnown for one	Yes	Unknown — not stated by the source
Surge protection featuresKnown for one	Modem, Telephone	Unknown — not stated by the source
Power protection featuresDiffers	Overload	Over voltage, Short circuit, Under voltage
Output operation voltage (min)Known for one	Unknown — not stated by the source	110 V
Output operation voltage (max)Known for one	Unknown — not stated by the source	240 V
Automatic Voltage Regulation (AVR)Known for one	Unknown — not stated by the source	Yes
EfficiencyKnown for one	Unknown — not stated by the source	80%
Ports & interfaces2 differ
AC outlet typesDiffers	NEMA 5–15R	C13 coupler
Power plugKnown for one	NEMA 5-15R	Unknown — not stated by the source
AC outlets quantityDiffers	8 AC outlet(s)	4 AC outlet(s)
USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
Modem (RJ-11) portsKnown for one	2	Unknown — not stated by the source
Batteryidentical
Battery voltageKnown for one	12 V	Unknown — not stated by the source
Typical backup time at full loadKnown for one	2.8 min	Unknown — not stated by the source
Typical backup time at half loadKnown for one	10.7 min	Unknown — not stated by the source
Battery recharge timeKnown for one	8 h	Unknown — not stated by the source
Battery capacityKnown for one	Unknown — not stated by the source	7 Ah
Number of batteries supportedKnown for one	Unknown — not stated by the source	2
Design1 differ
Form factorDiffers	Compact	Tower
Cable lengthKnown for one	1.5 m	Unknown — not stated by the source
Display typeKnown for one	LCD	Unknown — not stated by the source
Operational conditions1 differ
Storage temperature (T-T)Known for one	-15 - 45 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Differs	0 - 90%	10 - 90%
Storage relative humidity (H-H)Known for one	0 - 95%	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
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
CertificationKnown for one	UL1778, cUL 107.3, FCC	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	269.2 mm	125 mm
DepthDiffers	149.9 mm	400 mm
HeightDiffers	78.7 mm	220 mm
WeightDiffers	2.9 kg	9.7 kg
Packaging dataidentical
Bundled softwareKnown for one	PowerPanel	Unknown — not stated by the source
Package weightKnown for one	2.95 kg	Unknown — not stated by the source
Other features1 differ
Nominal output voltageDiffers	120 V	230 V
Package dimensions (WxDxH)Known for one	335.28 x 205.74 x 109.22 mm	Unknown — not stated by the source
Nominal input voltageKnown for one	Unknown — not stated by the source	230 V

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.

More uninterruptible power supplies (upss) comparisons

All uninterruptible power supplies (upss) comparisons