Product comparison · 2 power adapters & inverters

2-Power BUN0051A power adapter/inverter Indoor White vs Ewent EW3973 power adapter/inverter Indoor

4specifications compared
2differ
2identical
19known for one product only

Key differences

Purpose
- BUN0051A power adapter/inverter Indoor White:Telephone
- EW3973 power adapter/inverter Indoor:Laptop
Product colour
- BUN0051A power adapter/inverter Indoor White:White
- EW3973 power adapter/inverter Indoor:Black

Side by side

Differences highlightedShow differences only

Comparison of BUN0051A, EW3973
23 specifications	A 2-Power BUN0051A power adapter/inverter Indoor White Model BUN0051A View product	B Ewent EW3973 power adapter/inverter Indoor Model EW3973 View product
Features1 differ
PurposeDiffers	Telephone	Laptop
Power current typeKnown for one	Unknown — not stated by the source	AC-to-DC
Input voltageKnown for one	Unknown — not stated by the source	100-240 V
Input frequencyKnown for one	Unknown — not stated by the source	50/60 Hz
Output powerKnown for one	Unknown — not stated by the source	70 W
Output voltageKnown for one	Unknown — not stated by the source	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
USB ports quantityKnown for one	Unknown — not stated by the source	1
Power protection featuresKnown for one	Unknown — not stated by the source	Over current, Over voltage, Overheating, Short circuit
Output currentKnown for one	2.1 A	Unknown — not stated by the source
Brand compatibilityKnown for one	Apple	Unknown — not stated by the source
CompatibilityKnown for one	Apple iPhone 3GS/4/4s Apple iPad 1/2/3	Unknown — not stated by the source
Design1 differ
Product colourDiffers	White	Black
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	CE. RoHS, FCC
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	110 mm
DepthKnown for one	Unknown — not stated by the source	52 mm
HeightKnown for one	Unknown — not stated by the source	29 mm
WeightKnown for one	Unknown — not stated by the source	270 g
Poweridentical
Output currentKnown for one	2100 mA	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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