All categories
Phones & WearablesView all 31

Departments

Phones & WearablesComputers & TabletsComponents & StorageNetworkingPrinting & OfficePower & ChargingTV, Audio & VideoGaming, Toys & RobotsKitchen AppliancesHome AppliancesPersonal Care & HealthSmart Home & SecurityCar & MobilityTools & GardenCameras & Photo

Shopping country

Browse

All categoriesCompare products

Product comparison · 2 power adapters & inverters

Lenovo 4X21U28840 power adapter/inverter Indoor vs Lenovo GX21T87702 power adapter/inverter Indoor Black

Add a product
  • 20specifications compared
  • 13differ
  • 7identical
  • 5known for one product only

Key differences

The Lenovo 4X21U28840 power adapter/inverter Indoor has 16 V more output voltage than the Lenovo GX21T87702 power adapter/inverter Indoor Black (36 V vs 20 V). The Lenovo GX21T87702 power adapter/inverter Indoor Black has 7.25 A more output current than the Lenovo 4X21U28840 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 4X21U28840 power adapter/inverter Indoor (1.8 m vs 1 m). Input frequency: 50 - 60 Hz on the Lenovo 4X21U28840 power adapter/inverter Indoor, 50/60 Hz on the Lenovo GX21T87702 power adapter/inverter Indoor Black. Package weight: 630 g on the Lenovo 4X21U28840 power adapter/inverter Indoor, 1.1 kg on the Lenovo GX21T87702 power adapter/inverter Indoor Black.

  • Input frequency
    • 50 - 60 Hz
    • 50/60 Hz
  • Output voltage
    • 36 V
    • 20 V
  • Output current
    • 5 A
    • 12.25 A
  • Cable length
    • 1 m
    • 1.8 m
  • Width
    • 147.5 mm
    • 165 mm
  • Depth
    • 69 mm
    • 76 mm
  • Height
    • 22 mm
    • 254 mm
  • Weight
    • 510 g
    • 800 g

Side by side

Differences highlightedShow differences only
25 specifications
A

Lenovo

4X21U28840 power adapter/inverter Indoor

Model 4X21U28840

View product
B

Lenovo

GX21T87702 power adapter/inverter Indoor Black

Model GX21T87702

View product
Features3 differ
PurposeLaptopLaptop
Power supply typeIndoorIndoor
Input voltage100 - 240 V100 - 240 V
Input frequencyDiffers50 - 60 Hz50/60 Hz
Output powerKnown for one180 W
Output voltageDiffers36 V20 V
Output currentDiffers5 A12.25 A
Brand compatibilityKnown for oneLenovo
CompatibilityKnown for oneThinkPad
Input currentKnown for one1.5 A
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
WidthDiffers147.5 mm165 mm
DepthDiffers69 mm76 mm
HeightDiffers22 mm254 mm
WeightDiffers510 g800 g
Packaging data4 differ
Package widthDiffers240 mm235 mm
Package depthDiffers145 mm200 mm
Package heightDiffers52 mm80 mm
Package weightDiffers630 g1.1 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.

More power adapters & inverters comparisons

All power adapters & inverters comparisons