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Product comparison · 2 power adapters & inverters

Dahua Technology S042-1A120300HE power adapter/inverter Indoor/outdoor vs Lenovo GX21T87702 power adapter/inverter Indoor Black

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  • 15specifications compared
  • 13differ
  • 2identical
  • 10known for one product only

Key differences

The Lenovo GX21T87702 power adapter/inverter Indoor Black has 8 V more output voltage than the Dahua Technology S042-1A120300HE power adapter/inverter Indoor/outdoor (20 V vs 12 V). The Lenovo GX21T87702 power adapter/inverter Indoor Black has 9.25 A more output current than the Dahua Technology S042-1A120300HE power adapter/inverter Indoor/outdoor (12.25 A vs 3 A). The Lenovo GX21T87702 power adapter/inverter Indoor Black has 0.3 m more cable length than the Dahua Technology S042-1A120300HE power adapter/inverter Indoor/outdoor (1.8 m vs 1.5 m). Purpose: Universal on the Dahua Technology S042-1A120300HE power adapter/inverter Indoor/outdoor, Laptop on the Lenovo GX21T87702 power adapter/inverter Indoor Black. Power supply type: Indoor/outdoor on the Dahua Technology S042-1A120300HE power adapter/inverter Indoor/outdoor, Indoor on the Lenovo GX21T87702 power adapter/inverter Indoor Black.

  • Purpose
    • Universal
    • Laptop
  • Power supply type
    • Indoor/outdoor
    • Indoor
  • Input voltage
    • 90 - 264 V
    • 100 - 240 V
  • Output voltage
    • 12 V
    • 20 V
  • Output current
    • 3 A
    • 12.25 A
  • Operating temperature (T-T)
    • -10 - 55 °C
    • 0 - 40 °C
  • Operating relative humidity (H-H)
    • 0 - 90%
    • 8 - 80%
  • Cable length
    • 1.5 m
    • 1.8 m

Side by side

Differences highlightedShow differences only
25 specifications
A

Dahua Technology

S042-1A120300HE power adapter/inverter Indoor/outdoor

Model S042-1A120300HE

View product
B

Lenovo

GX21T87702 power adapter/inverter Indoor Black

Model GX21T87702

View product
Features5 differ
PurposeDiffersUniversalLaptop
Power supply typeDiffersIndoor/outdoorIndoor
Input voltageDiffers90 - 264 V100 - 240 V
Input frequencyKnown for one50/60 Hz
Input currentKnown for one1.5 A
Output voltageDiffers12 V20 V
Output currentDiffers3 A12.25 A
Power current typeKnown for oneAC-to-DC
Output powerKnown for one36 W
EfficiencyKnown for one87.4%
Power protection featuresKnown for oneOver current, Overheating, Overload, Surge protection
Designidentical
Product colourBlackBlack
Operational conditions2 differ
Operating temperature (T-T)Differs-10 - 55 °C0 - 40 °C
Operating relative humidity (H-H)Differs0 - 90%8 - 80%
Certificates1 differ
CertificationDiffersCEUL/CB IEC 62368-1/CE EMC/PSE/IRAM/NOM/DOE,ErP,CoC/Nrcan/FCC and ICES/Mexico MEPS/PSB/CCC/KC,MSIP/RCM/Australia safety/BSMI/EAC/GS/Serbia/Ukraine/SI/NRCS/SIRIM/ISC/SONCAP/STZ/INSM/KUCAS/BIS/Morocco/SEC
Weight & dimensions5 differ
Cable lengthDiffers1.5 m1.8 m
WidthDiffers51.1 mm165 mm
DepthDiffers101.5 mm76 mm
HeightDiffers71.6 mm254 mm
WeightDiffers175 g800 g
Packaging dataidentical
Package widthKnown for one235 mm
Package depthKnown for one200 mm
Package heightKnown for one80 mm
Package weightKnown for one1.1 kg
Packaging contentidentical
Quantity per pack1 pc(s)1 pc(s)

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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