Product comparison · 2 power adapters & inverters

Lenovo 4X21L18251 power adapter/inverter Indoor vs StarTech.com 65W USB-C Laptop Charger with 5ft (1.5m) Tethered USB-C Cable, Power Adapter Brick for Dell, XPS, HP ProBook, MacBook Pro, Microsoft Surface Pro

21specifications compared
16differ
5identical
15known for one product only

Key differences

The StarTech.com 65W USB-C Laptop Charger with 5ft (1.5m) Tethered USB-C Cable, Power Adapter Brick for Dell, XPS, HP ProBook, MacBook Pro, Microsoft Surface Pro has 0.5 A more input current than the Lenovo 4X21L18251 power adapter/inverter Indoor (2 A vs 1.5 A). The Lenovo 4X21L18251 power adapter/inverter Indoor has 235 W more output power than the StarTech.com 65W USB-C Laptop Charger with 5ft (1.5m) Tethered USB-C Cable, Power Adapter Brick for Dell, XPS, HP ProBook, MacBook Pro, Microsoft Surface Pro (300 W vs 65 W). The Lenovo 4X21L18251 power adapter/inverter Indoor has 10 A more output current than the StarTech.com 65W USB-C Laptop Charger with 5ft (1.5m) Tethered USB-C Cable, Power Adapter Brick for Dell, XPS, HP ProBook, MacBook Pro, Microsoft Surface Pro (15 A vs 5 A). Purpose: PC on the Lenovo 4X21L18251 power adapter/inverter Indoor, Laptop on the StarTech.com 65W USB-C Laptop Charger with 5ft (1.5m) Tethered USB-C Cable, Power Adapter Brick for Dell, XPS, HP ProBook, MacBook Pro, Microsoft Surface Pro. Output voltage: 20 V on the Lenovo 4X21L18251 power adapter/inverter Indoor, 5 - 20 V on the StarTech.com 65W USB-C Laptop Charger with 5ft (1.5m) Tethered USB-C Cable, Power Adapter Brick for Dell, XPS, HP ProBook, MacBook Pro, Microsoft Surface Pro.

Purpose
- 4X21L18251 power adapter/inverter Indoor:PC
- 65W USB-C Laptop Charger with 5ft (1.5m) Tethered USB-C Cable, Power Adapter Brick for Dell, XPS, HP ProBook, MacBook Pro, Microsoft Surface Pro:Laptop
Input current
- 4X21L18251 power adapter/inverter Indoor:1.5 A
- 65W USB-C Laptop Charger with 5ft (1.5m) Tethered USB-C Cable, Power Adapter Brick for Dell, XPS, HP ProBook, MacBook Pro, Microsoft Surface Pro:2 A
Output power
- 4X21L18251 power adapter/inverter Indoor:300 W
- 65W USB-C Laptop Charger with 5ft (1.5m) Tethered USB-C Cable, Power Adapter Brick for Dell, XPS, HP ProBook, MacBook Pro, Microsoft Surface Pro:65 W
Output voltage
- 4X21L18251 power adapter/inverter Indoor:20 V
- 65W USB-C Laptop Charger with 5ft (1.5m) Tethered USB-C Cable, Power Adapter Brick for Dell, XPS, HP ProBook, MacBook Pro, Microsoft Surface Pro:5 - 20 V
Output current
- 4X21L18251 power adapter/inverter Indoor:15 A
- 65W USB-C Laptop Charger with 5ft (1.5m) Tethered USB-C Cable, Power Adapter Brick for Dell, XPS, HP ProBook, MacBook Pro, Microsoft Surface Pro:5 A
Brand compatibility
- 4X21L18251 power adapter/inverter Indoor:Lenovo
- 65W USB-C Laptop Charger with 5ft (1.5m) Tethered USB-C Cable, Power Adapter Brick for Dell, XPS, HP ProBook, MacBook Pro, Microsoft Surface Pro:Any brand
Operating temperature (T-T)
- 4X21L18251 power adapter/inverter Indoor:5 - 40 °C
- 65W USB-C Laptop Charger with 5ft (1.5m) Tethered USB-C Cable, Power Adapter Brick for Dell, XPS, HP ProBook, MacBook Pro, Microsoft Surface Pro:0 - 25 °C
Operating relative humidity (H-H)
- 4X21L18251 power adapter/inverter Indoor:8 - 80%
- 65W USB-C Laptop Charger with 5ft (1.5m) Tethered USB-C Cable, Power Adapter Brick for Dell, XPS, HP ProBook, MacBook Pro, Microsoft Surface Pro:10 - 90%

Side by side

Differences highlightedShow differences only

Comparison of 4X21L18251, 165LN-USB-C-CHARGER
36 specifications	A Lenovo 4X21L18251 power adapter/inverter Indoor Model 4X21L18251 View product	B StarTech.com 65W USB-C Laptop Charger with 5ft (1.5m) Tethered USB-C Cable, Power Adapter Brick for Dell, XPS, HP ProBook, MacBook Pro, Microsoft Surface Pro Model 165LN-USB-C-CHARGER View product
Features6 differ
PurposeDiffers	PC	Laptop
Power supply type	Indoor	Indoor
Input voltage	100 - 240 V	100 - 240 V
Input frequency	50 - 60 Hz	50 - 60 Hz
Input currentDiffers	1.5 A	2 A
Output powerDiffers	300 W	65 W
Output voltageDiffers	20 V	5 - 20 V
Output currentDiffers	15 A	5 A
USB ports quantityKnown for one	Unknown — not stated by the source	1
USB Power Delivery revisionKnown for one	Unknown — not stated by the source	3.0
Brand compatibilityDiffers	Lenovo	Any brand
Designidentical
Product colour	Black	Black
Housing materialKnown for one	Unknown — not stated by the source	Plastic
Operational conditions2 differ
Operating temperature (T-T)Differs	5 - 40 °C	0 - 25 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-20 - 80 °C
Operating relative humidity (H-H)Differs	8 - 80%	10 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	30 - 90%
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	CE, Federal Communications Commission (FCC), RoHS, TÜV mark
CertificationKnown for one	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	Unknown — not stated by the source
Weight & dimensions4 differ
Cable lengthKnown for one	Unknown — not stated by the source	1.8 m
WidthDiffers	200 mm	67 mm
DepthDiffers	100 mm	89.5 mm
HeightDiffers	25.4 mm	26 mm
WeightDiffers	1.16 kg	329 g
Packaging data4 differ
Package widthDiffers	385 mm	168 mm
Package depthDiffers	150 mm	104 mm
Package heightDiffers	58 mm	72 mm
Package weightDiffers	1.29 kg	345 g
Package typeKnown for one	Box	Unknown — not stated by the source
Packaging contentidentical
Cables includedKnown for one	Unknown — not stated by the source	USB Type-C
Included power plug typesKnown for one	Unknown — not stated by the source	US
Quantity per pack	1 pc(s)	1 pc(s)
Logistics dataidentical
Master (outer) case widthKnown for one	Unknown — not stated by the source	435 mm
Master (outer) case lengthKnown for one	Unknown — not stated by the source	385 mm
Master (outer) case heightKnown for one	Unknown — not stated by the source	195 mm
Products per master (outer) caseKnown for one	Unknown — not stated by the source	20 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