Product comparison · 2 power adapters & inverters

Ewent EW3990 power adapter/inverter Auto vs Ewent EW3991 power adapter/inverter Auto

Key differences

Input voltage
- EW3990 power adapter/inverter Auto:11-15 V
- EW3991 power adapter/inverter Auto:220 - 240 V
Input current
- EW3990 power adapter/inverter Auto:15 A
- EW3991 power adapter/inverter Auto:12 A
Product colour
- EW3990 power adapter/inverter Auto:Black, Silver
- EW3991 power adapter/inverter Auto:Black

Differences highlightedShow differences only

Comparison of EW3990, EW3991
23 specifications	A Ewent EW3990 power adapter/inverter Auto Model EW3990 View product	B Ewent EW3991 power adapter/inverter Auto Model EW3991 View product
Features3 differ
Purpose	Universal	Universal
Power supply type	Auto	Auto
Power current type	DC-to-AC	DC-to-AC
Input voltageDiffers	11-15 V	220 - 240 V
Input frequency	50 Hz	50 Hz
Input currentDiffers	15 A	12 A
Output power	150 W	150 W
Output voltage	230 V	230 V
Power plug type	Type F (CEE 7/4)	Type F (CEE 7/4)
USB ports quantity	1	1
Power protection featuresDiffers	Over voltage, Overheating, Overload, Short circuit, Under voltage	Over voltage, Overload
Brand compatibilityKnown for one	Any brand	Unknown — not stated by the source
Performanceidentical
USB connectivity	Yes	Yes
USB version	2.0	2.0
USB output currentKnown for one	2.1 A	Unknown — not stated by the source
USB output voltage	5 V	5 V
Design1 differ
Product colourDiffers	Black, Silver	Black
On/off switch	Yes	Yes
Packaging contentidentical
Quick installation guideKnown for one	Yes	Unknown — not stated by the source
Technical detailsidentical
Peak power	300 W	300 W
Waveform	Sine	Sine
Logistics dataidentical
Harmonized System (HS) codeKnown for one	85044095	Unknown — not stated by the source
Poweridentical
Output currentKnown for one	Unknown — not stated by the source	500 mA

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.