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Product comparison · 2 power adapters & inverters

Lenovo 4X21L18251 power adapter/inverter Indoor vs Lenovo 4X21U28840 power adapter/inverter Indoor

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  • 22specifications compared
  • 14differ
  • 8identical
  • 3known for one product only

Key differences

The Lenovo 4X21L18251 power adapter/inverter Indoor has 120 W more output power than the Lenovo 4X21U28840 power adapter/inverter Indoor (300 W vs 180 W). The Lenovo 4X21U28840 power adapter/inverter Indoor has 16 V more output voltage than the Lenovo 4X21L18251 power adapter/inverter Indoor (36 V vs 20 V). The Lenovo 4X21L18251 power adapter/inverter Indoor has 10 A more output current than the Lenovo 4X21U28840 power adapter/inverter Indoor (15 A vs 5 A). Purpose: PC on the Lenovo 4X21L18251 power adapter/inverter Indoor, Laptop on the Lenovo 4X21U28840 power adapter/inverter Indoor. Weight: 1.16 kg on the Lenovo 4X21L18251 power adapter/inverter Indoor, 510 g on the Lenovo 4X21U28840 power adapter/inverter Indoor.

  • Purpose
    • PC
    • Laptop
  • Output power
    • 300 W
    • 180 W
  • Output voltage
    • 20 V
    • 36 V
  • Output current
    • 15 A
    • 5 A
  • Operating temperature (T-T)
    • 5 - 40 °C
    • 0 - 40 °C
  • Width
    • 200 mm
    • 147.5 mm
  • Depth
    • 100 mm
    • 69 mm
  • Height
    • 25.4 mm
    • 22 mm

Side by side

Differences highlightedShow differences only
25 specifications
A

Lenovo

4X21L18251 power adapter/inverter Indoor

Model 4X21L18251

View product
B

Lenovo

4X21U28840 power adapter/inverter Indoor

Model 4X21U28840

View product
Features4 differ
PurposeDiffersPCLaptop
Power supply typeIndoorIndoor
Input voltage100 - 240 V100 - 240 V
Input frequency50 - 60 Hz50 - 60 Hz
Output powerDiffers300 W180 W
Output voltageDiffers20 V36 V
Output currentDiffers15 A5 A
Brand compatibilityLenovoLenovo
CompatibilityKnown for oneThinkPad
Input currentKnown for one1.5 A
Designidentical
Product colourBlackBlack
Operational conditions1 differ
Operating temperature (T-T)Differs5 - 40 °C0 - 40 °C
Operating relative humidity (H-H)8 - 80%8 - 80%
Certificates1 differ
CertificationDiffersUL/CSA/IEC/South Korea Safety/ES's MEPS/PSE(DEN-AN)/GEMS/NEMKO/SEMKO/DEMKO/SETI(FIMKO)/CCC/PSB/NOM/EAC/IRAM/Croatia EMC/GS/CECP/SASO/Ukarine/Serbia/Montenegro/NZ SDOC/SII/NRCan/NOM-029/BISUL/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 lengthKnown for one1 m
WidthDiffers200 mm147.5 mm
DepthDiffers100 mm69 mm
HeightDiffers25.4 mm22 mm
WeightDiffers1.16 kg510 g
Packaging data4 differ
Package widthDiffers385 mm240 mm
Package depthDiffers150 mm145 mm
Package heightDiffers58 mm52 mm
Package weightDiffers1.29 kg630 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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