Product comparison · 2 mobile device chargers

InLine USB PD power supply, GaN charger, 2-port, USB-C + USB-A vs InLine USB PD power supply, GaN charger, 1-port, USB-C

40specifications compared
14differ
26identical
6known for one product only

Key differences

Number of simultaneously connected devices (max)
- USB PD power supply, GaN charger, 2-port, USB-C + USB-A:2
- USB PD power supply, GaN charger, 1-port, USB-C:1
Input current
- USB PD power supply, GaN charger, 2-port, USB-C + USB-A:0.85 A
- USB PD power supply, GaN charger, 1-port, USB-C:1 A
Maximum power
- USB PD power supply, GaN charger, 2-port, USB-C + USB-A:30 W
- USB PD power supply, GaN charger, 1-port, USB-C:45 W
Maximum output voltage
- USB PD power supply, GaN charger, 2-port, USB-C + USB-A:12 V
- USB PD power supply, GaN charger, 1-port, USB-C:20 V
Port 1 output power
- USB PD power supply, GaN charger, 2-port, USB-C + USB-A:30 W
- USB PD power supply, GaN charger, 1-port, USB-C:45 W
Output current (12V)
- USB PD power supply, GaN charger, 2-port, USB-C + USB-A:2.5 A
- USB PD power supply, GaN charger, 1-port, USB-C:3 A
Efficiency (@10 %)
- USB PD power supply, GaN charger, 2-port, USB-C + USB-A:82.21%
- USB PD power supply, GaN charger, 1-port, USB-C:80.91%
Height
- USB PD power supply, GaN charger, 2-port, USB-C + USB-A:34 mm
- USB PD power supply, GaN charger, 1-port, USB-C:35 mm

Side by side

Differences highlightedShow differences only

Comparison of 31550, 31551
46 specifications	A InLine USB PD power supply, GaN charger, 2-port, USB-C + USB-A Model 31550 View product	B InLine USB PD power supply, GaN charger, 1-port, USB-C Model 31551 View product
Performance1 differ
Charger type	Indoor	Indoor
Charger compatibility	Universal	Universal
Power source type	AC	AC
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	1	Unknown — not stated by the source
USB Type-C ports quantity	1	1
Wireless charging	No	No
Fast charging	Yes	Yes
Fast charging technologyKnown for one	Quick Charge 3.0	Unknown — not stated by the source
Number of simultaneously connected devices (max)Differs	2	1
USB Power Delivery (USB PD)	Yes	Yes
USB Power Delivery revision	3.0	3.0
Power protection features	Over voltage, Short circuit	Over voltage, Short circuit
Designidentical
Product colour	Black	Black
Gallium nitride (GaN) transistors	Yes	Yes
Power7 differ
Input voltage	100 - 240 V	100 - 240 V
Input frequency	50/60 Hz	50/60 Hz
Input currentDiffers	0.85 A	1 A
Maximum powerDiffers	30 W	45 W
Maximum output voltageDiffers	12 V	20 V
Minimum output voltage	5 V	5 V
Port 1 output powerDiffers	30 W	45 W
Port 2 output powerKnown for one	18 W	Unknown — not stated by the source
Output current (5V)	3 A	3 A
Output current (9V)	3 A	3 A
Output current (12V)Differs	2.5 A	3 A
Port 1 output currentKnown for one	3 A	Unknown — not stated by the source
Power consumption (no load)	0.09 W	0.09 W
Average active efficiencyDiffers	83.78% (230V, 50Hz, USB-A 5.0V/3.0A) / 87.77% (230V, 50Hz, USB-A 12.0V/1.5A) / 84.33% (230V, 50Hz, USB-C 5.0V/3.0A) / 88.73% (230V, 50Hz, USB-C 12.0V/2.5A) / 85.56% (230V, 50Hz, USB-A 5.0V/1.7A + USB-C 5.0V/1.7A)	83.87% (230V, 50Hz, 5.0V/3.0A) / 88.70% (230V, 50Hz, 20.0V/2.25A)
Efficiency at low load (10%)	Yes	Yes
Efficiency (@10 %)Differs	82.21%	80.91%
Power plug type	Type C	Type C
Output current (15V)Known for one	Unknown — not stated by the source	3 A
Output current (20V)Known for one	Unknown — not stated by the source	2.25 A
Weight & dimensions2 differ
Width	40 mm	40 mm
Depth	82 mm	82 mm
HeightDiffers	34 mm	35 mm
WeightDiffers	61 g	93 g
Packaging data3 differ
Package widthDiffers	60 mm	61 mm
Package depth	125 mm	125 mm
Package heightDiffers	40 mm	41 mm
Package volume	300 cm³	300 cm³
Package weightDiffers	81 g	100 g
Package type	Hanging box	Hanging box
Certificatesidentical
Compliance certificates	CE	CE
Logistics dataidentical
Country of origin	China	China
Other features1 differ
Dimensions (WxDxH)Differs	40 x 82 x 34 mm	40 x 82 x 35 mm

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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