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Product comparison · 2 power adapters & inverters

Lenovo 4X21U28814 power adapter/inverter Indoor vs Lenovo GX21T87702 power adapter/inverter Indoor Black

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  • 16specifications compared
  • 9differ
  • 7identical
  • 9known for one product only

Key differences

The Lenovo 4X21U28814 power adapter/inverter Indoor has 8 V more output voltage than the Lenovo GX21T87702 power adapter/inverter Indoor Black (28 V vs 20 V). The Lenovo GX21T87702 power adapter/inverter Indoor Black has 7.25 A more output current than the Lenovo 4X21U28814 power adapter/inverter Indoor (12.25 A vs 5 A). The Lenovo GX21T87702 power adapter/inverter Indoor Black has 0.8 m more cable length than the Lenovo 4X21U28814 power adapter/inverter Indoor (1.8 m vs 1 m). Input voltage: 115 - 230 V on the Lenovo 4X21U28814 power adapter/inverter Indoor, 100 - 240 V on the Lenovo GX21T87702 power adapter/inverter Indoor Black.

  • Input voltage
    • 115 - 230 V
    • 100 - 240 V
  • Output voltage
    • 28 V
    • 20 V
  • Output current
    • 5 A
    • 12.25 A
  • Cable length
    • 1 m
    • 1.8 m
  • Width
    • 120 mm
    • 165 mm
  • Depth
    • 62.5 mm
    • 76 mm
  • Height
    • 22 mm
    • 254 mm
  • Weight
    • 500 g
    • 800 g

Side by side

Differences highlightedShow differences only
25 specifications
A

Lenovo

4X21U28814 power adapter/inverter Indoor

Model 4X21U28814

View product
B

Lenovo

GX21T87702 power adapter/inverter Indoor Black

Model GX21T87702

View product
Features3 differ
PurposeLaptopLaptop
Power supply typeIndoorIndoor
Input voltageDiffers115 - 230 V100 - 240 V
Input frequency50/60 Hz50/60 Hz
Input currentKnown for one1.5 A
Output voltageDiffers28 V20 V
Output currentDiffers5 A12.25 A
Output powerKnown for one140 W
Brand compatibilityKnown for oneLenovo
CompatibilityKnown for oneThinkPad P16v Gen 3 (Intel) ThinkPad T1g Gen 8
Designidentical
Product colourBlackBlack
Operational conditionsidentical
Operating temperature (T-T)0 - 40 °C0 - 40 °C
Operating relative humidity (H-H)8 - 80%8 - 80%
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/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 m1.8 m
WidthDiffers120 mm165 mm
DepthDiffers62.5 mm76 mm
HeightDiffers22 mm254 mm
WeightDiffers500 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
Package typeKnown for oneBox
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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