Product comparison · 2 power adapters & inverters

Ewent EW3964 power adapter/inverter Indoor vs HP 40W A/C Adapter

Key differences

Input voltage
- EW3964 power adapter/inverter Indoor:100-240 V
- 40W A/C Adapter:115 V
Input frequency
- EW3964 power adapter/inverter Indoor:50/60 Hz
- 40W A/C Adapter:47/63 Hz
Width
- EW3964 power adapter/inverter Indoor:96 mm
- 40W A/C Adapter:93 mm
Depth
- EW3964 power adapter/inverter Indoor:44 mm
- 40W A/C Adapter:40 mm
Height
- EW3964 power adapter/inverter Indoor:29 mm
- 40W A/C Adapter:30 mm
Weight
- EW3964 power adapter/inverter Indoor:226 g
- 40W A/C Adapter:245 g

Differences highlightedShow differences only

Comparison of EW3964, 40W A/C Adapter
21 specifications	A Ewent EW3964 power adapter/inverter Indoor Model EW3964 View product	B HP 40W A/C Adapter View product
Features2 differ
Power current typeKnown for one	AC-to-DC	Unknown — not stated by the source
Input voltageDiffers	100-240 V	115 V
Input frequencyDiffers	50/60 Hz	47/63 Hz
EfficiencyKnown for one	85%	Unknown — not stated by the source
Supplementary power connectorsKnown for one	8	Unknown — not stated by the source
Detachable power connectorsKnown for one	Yes	Unknown — not stated by the source
Power protection featuresKnown for one	Over current, Over voltage, Overheating, Short circuit	Unknown — not stated by the source
Adjustable output voltageKnown for one	Unknown — not stated by the source	No
Certificatesidentical
CertificationKnown for one	CE. RoHS, FCC	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	96 mm	93 mm
DepthDiffers	44 mm	40 mm
HeightDiffers	29 mm	30 mm
WeightDiffers	226 g	245 g
Packaging dataidentical
Package widthKnown for one	Unknown — not stated by the source	184 mm
Package depthKnown for one	Unknown — not stated by the source	232 mm
Package heightKnown for one	Unknown — not stated by the source	95 mm

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.