Product comparison · 2 power adapters & inverters

2-Power ALT281990B power adapter/inverter Indoor vs Lenovo 4X21R04793 power adapter/inverter Indoor

Add a product
  • 13specifications compared
  • 8differ
  • 5identical
  • 13known for one product only

Key differences

  • Output power
    • ALT281990B power adapter/inverter Indoor:240 W
    • 4X21R04793 power adapter/inverter Indoor:65 W
  • Output voltage
    • ALT281990B power adapter/inverter Indoor:19.5 V
    • 4X21R04793 power adapter/inverter Indoor:20 V
  • Output current
    • ALT281990B power adapter/inverter Indoor:12.3 A
    • 4X21R04793 power adapter/inverter Indoor:3.25 A
  • Width
    • ALT281990B power adapter/inverter Indoor:205 mm
    • 4X21R04793 power adapter/inverter Indoor:75.7 mm
  • Depth
    • ALT281990B power adapter/inverter Indoor:105 mm
    • 4X21R04793 power adapter/inverter Indoor:48 mm
  • Height
    • ALT281990B power adapter/inverter Indoor:36 mm
    • 4X21R04793 power adapter/inverter Indoor:22 mm
  • Weight
    • ALT281990B power adapter/inverter Indoor:331 g
    • 4X21R04793 power adapter/inverter Indoor:200 g
  • Cables included
    • ALT281990B power adapter/inverter Indoor:AC
    • 4X21R04793 power adapter/inverter Indoor:USB Type-C

Side by side

Differences highlightedShow differences only (on)
Comparison of ALT281990B, 4X21R04793
26 specifications
Features3 differ
Input frequencyKnown for oneUnknown — not stated by the source50 - 60 Hz
Output powerDiffers240 W65 W
Output voltageDiffers19.5 V20 V
Output currentDiffers12.3 A3.25 A
Brand compatibilityKnown for oneUnknown — not stated by the sourceLenovo
Supplementary power connectorsKnown for one1Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for oneUnknown — not stated by the source0 - 40 °C
Operating relative humidity (H-H)Known for oneUnknown — not stated by the source8 - 80%
Certificatesidentical
CertificationKnown for oneUnknown — not stated by the sourceCB/CCC/CECP/CE/BSMI/Morocco/ SEC/NOM/PSB/SII/TUV-GS/Ukraine/UL/RCM/ISC/SONCAP/ Kvalitet/Uzbek/TUV-S/INSM/KUCAS/KC,KCC/NRCan/ NOM-029/CU/BIS
Weight & dimensions4 differ
Cable lengthKnown for oneUnknown — not stated by the source0.1 m
WidthDiffers205 mm75.7 mm
DepthDiffers105 mm48 mm
HeightDiffers36 mm22 mm
WeightDiffers331 g200 g
Packaging dataidentical
Package widthKnown for oneUnknown — not stated by the source264 mm
Package depthKnown for oneUnknown — not stated by the source110 mm
Package heightKnown for oneUnknown — not stated by the source53 mm
Package weightKnown for oneUnknown — not stated by the source500 g
Package typeKnown for oneUnknown — not stated by the sourceBox
Packaging content1 differ
Cables includedDiffersACUSB Type-C
Power adapter includedKnown for oneYesUnknown — not stated by the source

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