Product comparison · 2 power adapters & inverters

Ewent EW1209 power adapter/inverter Indoor vs Ewent EW3974 power adapter/inverter Indoor

6specifications compared
4differ
2identical
16known for one product only

Key differences

Purpose
- EW1209 power adapter/inverter Indoor:Universal
- EW3974 power adapter/inverter Indoor:Laptop
Output power
- EW1209 power adapter/inverter Indoor:5 W
- EW3974 power adapter/inverter Indoor:90 W
Output voltage
- EW1209 power adapter/inverter Indoor:5 V
- EW3974 power adapter/inverter Indoor:9.5 V
Product colour
- EW1209 power adapter/inverter Indoor:White
- EW3974 power adapter/inverter Indoor:Black

Side by side

Differences highlightedShow differences only

Comparison of EW1209, EW3974
22 specifications	A Ewent EW1209 power adapter/inverter Indoor Model EW1209 View product	B Ewent EW3974 power adapter/inverter Indoor Model EW3974 View product
Features3 differ
PurposeDiffers	Universal	Laptop
Power current typeKnown for one	Unknown — not stated by the source	AC-to-DC
Input frequencyKnown for one	Unknown — not stated by the source	50/60 Hz
Output powerDiffers	5 W	90 W
Output voltageDiffers	5 V	9.5 V
EfficiencyKnown for one	Unknown — not stated by the source	86%
Supplementary power connectorsKnown for one	Unknown — not stated by the source	8
Detachable power connectorsKnown for one	Unknown — not stated by the source	Yes
USB ports quantityKnown for one	Unknown — not stated by the source	1
Power protection featuresKnown for one	Unknown — not stated by the source	Over current, Over voltage, Overheating, Short circuit
CompatibilityKnown for one	iPad Mini, iPhone & Smartphone iPod & MP3/MP4 players	Unknown — not stated by the source
Performanceidentical
USB versionKnown for one	Unknown — not stated by the source	2.0
Connector(s)Known for one	USB	Unknown — not stated by the source
Design1 differ
Product colourDiffers	White	Black
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	CE, RoHS, FCC
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	130 mm
DepthKnown for one	Unknown — not stated by the source	57 mm
HeightKnown for one	Unknown — not stated by the source	30 mm
WeightKnown for one	Unknown — not stated by the source	320 g
Poweridentical
Power adapter capacityKnown for one	1000 mAh	Unknown — not stated by the source

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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