Product comparison · 2 power adapters & inverters

2-Power AC Adapter 19V 2.1A 40W inc. mains cable vs Ewent EW3971 power adapter/inverter Indoor

11specifications compared
9differ
2identical
15known for one product only

Key differences

Purpose
- AC Adapter 19V 2.1A 40W inc. mains cable:Laptop
- EW3971 power adapter/inverter Indoor:Universal
Input voltage
- AC Adapter 19V 2.1A 40W inc. mains cable:110-240 V
- EW3971 power adapter/inverter Indoor:100-240 V
Output power
- AC Adapter 19V 2.1A 40W inc. mains cable:39 W
- EW3971 power adapter/inverter Indoor:90 W
Output voltage
- AC Adapter 19V 2.1A 40W inc. mains cable:19 V
- EW3971 power adapter/inverter Indoor:9.5 V
Width
- AC Adapter 19V 2.1A 40W inc. mains cable:34 mm
- EW3971 power adapter/inverter Indoor:134 mm
Depth
- AC Adapter 19V 2.1A 40W inc. mains cable:112 mm
- EW3971 power adapter/inverter Indoor:67 mm
Height
- AC Adapter 19V 2.1A 40W inc. mains cable:26 mm
- EW3971 power adapter/inverter Indoor:17.5 mm
Weight
- AC Adapter 19V 2.1A 40W inc. mains cable:172 g
- EW3971 power adapter/inverter Indoor:277 g

Side by side

Differences highlightedShow differences only

Comparison of CAA0725G, EW3971
26 specifications	A 2-Power AC Adapter 19V 2.1A 40W inc. mains cable Model CAA0725G View product	B Ewent EW3971 power adapter/inverter Indoor Model EW3971 View product
Features4 differ
PurposeDiffers	Laptop	Universal
Power supply type	Indoor	Indoor
Power current typeKnown for one	Unknown — not stated by the source	AC-to-DC
Input voltageDiffers	110-240 V	100-240 V
Input frequencyKnown for one	Unknown — not stated by the source	50/60 Hz
Output powerDiffers	39 W	90 W
Output voltageDiffers	19 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
Power protection featuresKnown for one	Unknown — not stated by the source	Over current, Over voltage, Overheating, Short circuit
CompatibilityKnown for one	Samsung Series 7 Slate PC	Unknown — not stated by the source
Designidentical
Product colour	Black	Black
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	CE, RoHS, FCC
Weight & dimensions4 differ
WidthDiffers	34 mm	134 mm
DepthDiffers	112 mm	67 mm
HeightDiffers	26 mm	17.5 mm
WeightDiffers	172 g	277 g
Packaging dataidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Package widthKnown for one	128 mm	Unknown — not stated by the source
Package depthKnown for one	188 mm	Unknown — not stated by the source
Package heightKnown for one	52 mm	Unknown — not stated by the source
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	AC
Logistics data1 differ
Harmonized System (HS) codeDiffers	85044095	85044090
Poweridentical
Power adapter capacityKnown for one	2100 mAh	Unknown — not stated by the source
Batteryidentical
Battery capacityKnown for one	39 Wh	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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