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Product comparison · 2 power adapters & inverters

Lenovo 4X21U28839 power adapter/inverter Indoor vs Lenovo GX21M50633 power adapter/inverter Indoor

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  • 22specifications compared
  • 13differ
  • 9identical
  • 4known for one product only

Key differences

The Lenovo 4X21U28839 power adapter/inverter Indoor has 40 W more output power than the Lenovo GX21M50633 power adapter/inverter Indoor (180 W vs 140 W). The Lenovo 4X21U28839 power adapter/inverter Indoor has 16 V more output voltage than the Lenovo GX21M50633 power adapter/inverter Indoor (36 V vs 20 V). The Lenovo GX21M50633 power adapter/inverter Indoor has 2 A more output current than the Lenovo 4X21U28839 power adapter/inverter Indoor (7 A vs 5 A). Input frequency: 50 - 60 Hz on the Lenovo 4X21U28839 power adapter/inverter Indoor, 50/60 Hz on the Lenovo GX21M50633 power adapter/inverter Indoor.

  • Input frequency
    • 50 - 60 Hz
    • 50/60 Hz
  • Output power
    • 180 W
    • 140 W
  • Output voltage
    • 36 V
    • 20 V
  • Output current
    • 5 A
    • 7 A
  • Width
    • 147.5 mm
    • 122 mm
  • Depth
    • 69 mm
    • 62 mm
  • Height
    • 22 mm
    • 26.5 mm
  • Weight
    • 510 g
    • 328 g

Side by side

Differences highlightedShow differences only
26 specifications
A

Lenovo

4X21U28839 power adapter/inverter Indoor

Model 4X21U28839

View product
B

Lenovo

GX21M50633 power adapter/inverter Indoor

Model GX21M50633

View product
Features4 differ
Input frequencyDiffers50 - 60 Hz50/60 Hz
Output powerDiffers180 W140 W
Output voltageDiffers36 V20 V
Output currentDiffers5 A7 A
Brand compatibilityKnown for oneLenovo
CompatibilityKnown for oneThinkPad
Power current typeKnown for oneAC-to-DC
Input currentKnown for one2.5 A
Certificates1 differ
CertificationDiffersUL/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/TISIUL/CSA/IECEE CB/&EMC/ES/PSE/Australian/New Zealand/MEPS/Nordic/CCC/PSB/NOM/Russian/IRAM/Serbia EMC/Croatia EMC/GS marketing/CECP/SASO/NZ SDOC/SII
Weight & dimensions4 differ
WidthDiffers147.5 mm122 mm
DepthDiffers69 mm62 mm
HeightDiffers22 mm26.5 mm
WeightDiffers510 g328 g
Packaging data4 differ
Package widthDiffers240 mm165 mm
Package depthDiffers145 mm167 mm
Package heightDiffers52 mm60 mm
Package weightDiffers630 g900 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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