Product comparison · 2 power adapters & inverters

i-tec DC adapter 20V 6.75A 135W (Accessory for Selected Docking Stations) vs Lenovo 4X21L18251 power adapter/inverter Indoor

13specifications compared
9differ
4identical
11known for one product only

Key differences

The Lenovo 4X21L18251 power adapter/inverter Indoor has 165 W more output power than the i-tec DC adapter 20V 6.75A 135W (Accessory for Selected Docking Stations) (300 W vs 135 W). The Lenovo 4X21L18251 power adapter/inverter Indoor has 8.25 A more output current than the i-tec DC adapter 20V 6.75A 135W (Accessory for Selected Docking Stations) (15 A vs 6.75 A). The Lenovo 4X21L18251 power adapter/inverter Indoor has 60 mm more width than the i-tec DC adapter 20V 6.75A 135W (Accessory for Selected Docking Stations) (200 mm vs 140 mm). Purpose: Docking station on the i-tec DC adapter 20V 6.75A 135W (Accessory for Selected Docking Stations), PC on the Lenovo 4X21L18251 power adapter/inverter Indoor. Input voltage: 100–240 on the i-tec DC adapter 20V 6.75A 135W (Accessory for Selected Docking Stations), 100 - 240 V on the Lenovo 4X21L18251 power adapter/inverter Indoor.

Purpose
- DC adapter 20V 6.75A 135W (Accessory for Selected Docking Stations):Docking station
- 4X21L18251 power adapter/inverter Indoor:PC
Input voltage
- DC adapter 20V 6.75A 135W (Accessory for Selected Docking Stations):100–240
- 4X21L18251 power adapter/inverter Indoor:100 - 240 V
Input frequency
- DC adapter 20V 6.75A 135W (Accessory for Selected Docking Stations):50/60 Hz
- 4X21L18251 power adapter/inverter Indoor:50 - 60 Hz
Output power
- DC adapter 20V 6.75A 135W (Accessory for Selected Docking Stations):135 W
- 4X21L18251 power adapter/inverter Indoor:300 W
Output current
- DC adapter 20V 6.75A 135W (Accessory for Selected Docking Stations):6.75 A
- 4X21L18251 power adapter/inverter Indoor:15 A
Width
- DC adapter 20V 6.75A 135W (Accessory for Selected Docking Stations):140 mm
- 4X21L18251 power adapter/inverter Indoor:200 mm
Depth
- DC adapter 20V 6.75A 135W (Accessory for Selected Docking Stations):70 mm
- 4X21L18251 power adapter/inverter Indoor:100 mm
Height
- DC adapter 20V 6.75A 135W (Accessory for Selected Docking Stations):25 mm
- 4X21L18251 power adapter/inverter Indoor:25.4 mm

Side by side

Differences highlightedShow differences only

Comparison of DC20V135W, 4X21L18251
24 specifications	A i-tec DC adapter 20V 6.75A 135W (Accessory for Selected Docking Stations) Model DC20V135W View product	B Lenovo 4X21L18251 power adapter/inverter Indoor Model 4X21L18251 View product
Features5 differ
PurposeDiffers	Docking station	PC
Power supply type	Indoor	Indoor
Input voltageDiffers	100–240	100 - 240 V
Input frequencyDiffers	50/60 Hz	50 - 60 Hz
Input currentKnown for one	Unknown — not stated by the source	1.5 A
Output powerDiffers	135 W	300 W
Output voltage	20 V	20 V
Output currentDiffers	6.75 A	15 A
Brand compatibilityKnown for one	Unknown — not stated by the source	Lenovo
Designidentical
Product colour	Black	Black
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 40 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	8 - 80%
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	UL/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/BIS
Weight & dimensions4 differ
WidthDiffers	140 mm	200 mm
DepthDiffers	70 mm	100 mm
HeightDiffers	25 mm	25.4 mm
WeightDiffers	340 g	1.16 kg
Cable lengthKnown for one	1.5 m	Unknown — not stated by the source
Packaging dataidentical
Package widthKnown for one	Unknown — not stated by the source	385 mm
Package depthKnown for one	Unknown — not stated by the source	150 mm
Package heightKnown for one	Unknown — not stated by the source	58 mm
Package weightKnown for one	Unknown — not stated by the source	1.29 kg
Package typeKnown for one	Unknown — not stated by the source	Box
Packaging contentidentical
Quantity per pack	1 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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