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Product comparison · 2 power adapters & inverters

Ewent EW3964 power adapter/inverter Indoor vs Ewent EW3974 power adapter/inverter Indoor

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  • 17specifications compared
  • 7differ
  • 10identical
  • 2known for one product only

Key differences

  • Output power
    • 40 W
    • 90 W
  • Efficiency
    • 85%
    • 86%
  • Certification
    • CE. RoHS, FCC
    • CE, RoHS, FCC
  • Width
    • 96 mm
    • 130 mm
  • Depth
    • 44 mm
    • 57 mm
  • Height
    • 29 mm
    • 30 mm
  • Weight
    • 226 g
    • 320 g

Side by side

Differences highlightedShow differences only
19 specifications
A

Ewent

EW3964 power adapter/inverter Indoor

Model EW3964

View product
B

Ewent

EW3974 power adapter/inverter Indoor

Model EW3974

View product
Features2 differ
PurposeLaptopLaptop
Power supply typeIndoorIndoor
Power current typeAC-to-DCAC-to-DC
Input voltage100-240 V100-240 V
Input frequency50/60 Hz50/60 Hz
Output powerDiffers40 W90 W
Output voltage9.5 V9.5 V
EfficiencyDiffers85%86%
Supplementary power connectors88
Detachable power connectorsYesYes
USB ports quantityKnown for one1
Power protection featuresOver current, Over voltage, Overheating, Short circuitOver current, Over voltage, Overheating, Short circuit
Performanceidentical
USB versionKnown for one2.0
Designidentical
Product colourBlackBlack
Certificates1 differ
CertificationDiffersCE. RoHS, FCCCE, RoHS, FCC
Weight & dimensions4 differ
WidthDiffers96 mm130 mm
DepthDiffers44 mm57 mm
HeightDiffers29 mm30 mm
WeightDiffers226 g320 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.

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