Product comparison · 2 power adapters & inverters

Ewent EW3988 power adapter/inverter Universal vs Ewent EW3990 power adapter/inverter Auto

10specifications compared
9differ
1identical
28known for one product only

Key differences

Purpose
- EW3988 power adapter/inverter Universal:Laptop
- EW3990 power adapter/inverter Auto:Universal
Power supply type
- EW3988 power adapter/inverter Universal:Universal
- EW3990 power adapter/inverter Auto:Auto
Power current type
- EW3988 power adapter/inverter Universal:AC-to-DC
- EW3990 power adapter/inverter Auto:DC-to-AC
Input voltage
- EW3988 power adapter/inverter Universal:100 - 240 V
- EW3990 power adapter/inverter Auto:11-15 V
Input frequency
- EW3988 power adapter/inverter Universal:50/60 Hz
- EW3990 power adapter/inverter Auto:50 Hz
Input current
- EW3988 power adapter/inverter Universal:1.5 A
- EW3990 power adapter/inverter Auto:15 A
Output power
- EW3988 power adapter/inverter Universal:90 W
- EW3990 power adapter/inverter Auto:150 W
Product colour
- EW3988 power adapter/inverter Universal:Black
- EW3990 power adapter/inverter Auto:Black, Silver

Side by side

Differences highlightedShow differences only

Comparison of EW3988, EW3990
38 specifications	A Ewent EW3988 power adapter/inverter Universal Model EW3988 View product	B Ewent EW3990 power adapter/inverter Auto Model EW3990 View product
Features8 differ
PurposeDiffers	Laptop	Universal
Power supply typeDiffers	Universal	Auto
Power current typeDiffers	AC-to-DC	DC-to-AC
Input voltageDiffers	100 - 240 V	11-15 V
Input frequencyDiffers	50/60 Hz	50 Hz
Input currentDiffers	1.5 A	15 A
Output powerDiffers	90 W	150 W
Supplementary power connectorsKnown for one	10	Unknown — not stated by the source
Detachable power connectorsKnown for one	Yes	Unknown — not stated by the source
USB ports quantity	1	1
Power protection featuresDiffers	Over current, Over voltage, Overheating, Short circuit	Over voltage, Overheating, Overload, Short circuit, Under voltage
Output voltageKnown for one	Unknown — not stated by the source	230 V
Power plug typeKnown for one	Unknown — not stated by the source	Type F (CEE 7/4)
Brand compatibilityKnown for one	Unknown — not stated by the source	Any brand
Poweridentical
DC output voltageKnown for one	20V, 18.5V, 19V, 19.5V	Unknown — not stated by the source
Design1 differ
Detachable cableKnown for one	Yes	Unknown — not stated by the source
Product colourDiffers	Black	Black, Silver
LED indicatorsKnown for one	Yes	Unknown — not stated by the source
On/off switchKnown for one	Unknown — not stated by the source	Yes
Weight & dimensionsidentical
Cable lengthKnown for one	1.65 m	Unknown — not stated by the source
WidthKnown for one	107 mm	Unknown — not stated by the source
DepthKnown for one	60 mm	Unknown — not stated by the source
HeightKnown for one	17 mm	Unknown — not stated by the source
WeightKnown for one	234 g	Unknown — not stated by the source
Packaging dataidentical
Package widthKnown for one	128 mm	Unknown — not stated by the source
Package depthKnown for one	44 mm	Unknown — not stated by the source
Package heightKnown for one	176 mm	Unknown — not stated by the source
Package weightKnown for one	445 g	Unknown — not stated by the source
Package typeKnown for one	Box	Unknown — not stated by the source
Packaging contentidentical
Quantity per packKnown for one	1 pc(s)	Unknown — not stated by the source
Quick installation guideKnown for one	Unknown — not stated by the source	Yes
Performanceidentical
USB connectivityKnown for one	Unknown — not stated by the source	Yes
USB versionKnown for one	Unknown — not stated by the source	2.0
USB output currentKnown for one	Unknown — not stated by the source	2.1 A
USB output voltageKnown for one	Unknown — not stated by the source	5 V
Technical detailsidentical
Peak powerKnown for one	Unknown — not stated by the source	300 W
WaveformKnown for one	Unknown — not stated by the source	Sine
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	85044095

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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