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Product comparison · 2 power adapters & inverters

Lenovo 4X21S91191 power adapter/inverter Indoor vs Lenovo 4X21U28818 power adapter/inverter Indoor

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  • 18specifications compared
  • 10differ
  • 8identical
  • 7known for one product only

Key differences

  • Input voltage
    • 100 - 240 V
    • 115 - 230 V
  • Input frequency
    • 50 - 60 Hz
    • 50/60 Hz
  • Output power
    • 65 W
    • 140 W
  • Output voltage
    • 20 V
    • 28 V
  • Output current
    • 3.25 A
    • 5 A
  • Width
    • 90 mm
    • 120 mm
  • Depth
    • 46 mm
    • 62.5 mm
  • Height
    • 26.5 mm
    • 22 mm

Side by side

Differences highlightedShow differences only
25 specifications
A

Lenovo

4X21S91191 power adapter/inverter Indoor

Model 4X21S91191

View product
B

Lenovo

4X21U28818 power adapter/inverter Indoor

Model 4X21U28818

View product
Features5 differ
PurposeLaptopLaptop
Power supply typeIndoorIndoor
Input voltageDiffers100 - 240 V115 - 230 V
Input frequencyDiffers50 - 60 Hz50/60 Hz
Input currentKnown for one1.5 A
Output powerDiffers65 W140 W
Output voltageDiffers20 V28 V
Output currentDiffers3.25 A5 A
Brand compatibilityLenovoLenovo
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 IEC 62368-1/CE EMC/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/GS/Serbia/Ukraine/SI/NRCS/SABS/SIRIM/ISC/SONCAP/STZ/INSM/KUCAS/BIS/Morocco/SEC/TISIUL/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
WidthDiffers90 mm120 mm
DepthDiffers46 mm62.5 mm
HeightDiffers26.5 mm22 mm
WeightDiffers310 g500 g
Cable lengthKnown for one1 m
Packaging dataidentical
Package widthKnown for one264 mm
Package depthKnown for one110 mm
Package heightKnown for one53 mm
Package weightKnown for one400 g
Package typeBoxBox
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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