Product comparison · 2 power adapters & inverters

Ewent EW3973 power adapter/inverter Indoor vs Ewent EW3974 power adapter/inverter Indoor

Key differences

Output power
- EW3973 power adapter/inverter Indoor:70 W
- EW3974 power adapter/inverter Indoor:90 W
Certification
- EW3973 power adapter/inverter Indoor:CE. RoHS, FCC
- EW3974 power adapter/inverter Indoor:CE, RoHS, FCC
Width
- EW3973 power adapter/inverter Indoor:110 mm
- EW3974 power adapter/inverter Indoor:130 mm
Depth
- EW3973 power adapter/inverter Indoor:52 mm
- EW3974 power adapter/inverter Indoor:57 mm
Height
- EW3973 power adapter/inverter Indoor:29 mm
- EW3974 power adapter/inverter Indoor:30 mm
Weight
- EW3973 power adapter/inverter Indoor:270 g
- EW3974 power adapter/inverter Indoor:320 g

Differences highlightedShow differences only

Comparison of EW3973, EW3974
19 specifications	A Ewent EW3973 power adapter/inverter Indoor Model EW3973 View product	B Ewent EW3974 power adapter/inverter Indoor Model EW3974 View product
Features1 differ
Purpose	Laptop	Laptop
Power supply type	Indoor	Indoor
Power current type	AC-to-DC	AC-to-DC
Input voltage	100-240 V	100-240 V
Input frequency	50/60 Hz	50/60 Hz
Output powerDiffers	70 W	90 W
Output voltage	9.5 V	9.5 V
Efficiency	86%	86%
Supplementary power connectors	8	8
Detachable power connectors	Yes	Yes
USB ports quantity	1	1
Power protection features	Over current, Over voltage, Overheating, Short circuit	Over current, Over voltage, Overheating, Short circuit
Performanceidentical
USB version	2.0	2.0
Designidentical
Product colour	Black	Black
Certificates1 differ
CertificationDiffers	CE. RoHS, FCC	CE, RoHS, FCC
Weight & dimensions4 differ
WidthDiffers	110 mm	130 mm
DepthDiffers	52 mm	57 mm
HeightDiffers	29 mm	30 mm
WeightDiffers	270 g	320 g

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.