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Product comparison · 2 power adapters & inverters

Dell 180W 7.4mm AC vs Lenovo 4X21U28840 power adapter/inverter Indoor

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  • 10specifications compared
  • 4differ
  • 6identical
  • 16known for one product only

Key differences

The Lenovo 4X21U28840 power adapter/inverter Indoor has 71.5 mm more width than the Dell 180W 7.4mm AC (147.5 mm vs 76 mm). The Lenovo 4X21U28840 power adapter/inverter Indoor has 39 mm more depth than the Dell 180W 7.4mm AC (69 mm vs 30 mm). The Dell 180W 7.4mm AC has 132.9 mm more height than the Lenovo 4X21U28840 power adapter/inverter Indoor (154.9 mm vs 22 mm).

  • Width
    • 76 mm
    • 147.5 mm
  • Depth
    • 30 mm
    • 69 mm
  • Height
    • 154.9 mm
    • 22 mm
  • Weight
    • 580 g
    • 510 g

Side by side

Differences highlightedShow differences only
26 specifications
A

Dell

180W 7.4mm ACView product
B

Lenovo

4X21U28840 power adapter/inverter Indoor

Model 4X21U28840

View product
Featuresidentical
PurposeLaptopLaptop
Power supply typeIndoorIndoor
Input voltageKnown for one100 - 240 V
Input frequencyKnown for one50 - 60 Hz
Output power180 W180 W
Output voltageKnown for one36 V
Output currentKnown for one5 A
Brand compatibilityKnown for oneLenovo
CompatibilityKnown for oneThinkPad
Power current typeKnown for oneAC-to-DC
Designidentical
Product colourBlackBlack
Operational conditionsidentical
Operating temperature (T-T)Known for one0 - 40 °C
Operating relative humidity (H-H)Known for one8 - 80%
Certificatesidentical
CertificationKnown for oneUL/CB/CE EMC/CE Doc/PSE/IRAM/NOM/DOE,ErP,CoC/Nrcan/FCC and ICES/Mexico MEPS/PSB/CCC/CECP/KC,MSIP/Korea MEPS/RCM/Australia safety/NZ Doc/BSMI/EAC/Serbia/Ukraine/SII/NRCS/SABS/SIRIM/ISC/SONCAP/KEBS/STZ/INSM/KUCAS/BIS/Morocco/SEC/TISI
Weight & dimensions4 differ
Cable length1 m1 m
WidthDiffers76 mm147.5 mm
DepthDiffers30 mm69 mm
HeightDiffers154.9 mm22 mm
WeightDiffers580 g510 g
Packaging dataidentical
Package widthKnown for one240 mm
Package depthKnown for one145 mm
Package heightKnown for one52 mm
Package weightKnown for one630 g
Package typeKnown for oneBox
Packaging contentidentical
Quantity per pack1 pc(s)1 pc(s)
Power adapter includedKnown for oneYes

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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