Product comparison · 2 mobile device chargers

InLine USB power supply charger Dual USB-C, PD, PPS vs InLine USB PD power supply, GaN charger, 1-port, USB-C

39specifications compared
22differ
17identical
8known for one product only

Key differences

USB Type-C ports quantity
- USB power supply charger Dual USB-C, PD, PPS:2
- USB PD power supply, GaN charger, 1-port, USB-C:1
Number of simultaneously connected devices (max)
- USB power supply charger Dual USB-C, PD, PPS:2
- USB PD power supply, GaN charger, 1-port, USB-C:1
Input current
- USB power supply charger Dual USB-C, PD, PPS:0.85 A
- USB PD power supply, GaN charger, 1-port, USB-C:1 A
Maximum power
- USB power supply charger Dual USB-C, PD, PPS:30 W
- USB PD power supply, GaN charger, 1-port, USB-C:45 W
Port 1 output power
- USB power supply charger Dual USB-C, PD, PPS:30 W
- USB PD power supply, GaN charger, 1-port, USB-C:45 W
Output current (12V)
- USB power supply charger Dual USB-C, PD, PPS:2.5 A
- USB PD power supply, GaN charger, 1-port, USB-C:3 A
Output current (15V)
- USB power supply charger Dual USB-C, PD, PPS:2 A
- USB PD power supply, GaN charger, 1-port, USB-C:3 A
Output current (20V)
- USB power supply charger Dual USB-C, PD, PPS:1.5 A
- USB PD power supply, GaN charger, 1-port, USB-C:2.25 A

Side by side

Differences highlightedShow differences only

Comparison of 31509B, 31551
47 specifications	A InLine USB power supply charger Dual USB-C, PD, PPS Model 31509B View product	B InLine USB PD power supply, GaN charger, 1-port, USB-C Model 31551 View product
Performance3 differ
Charger type	Indoor	Indoor
Charger compatibility	Universal	Universal
Power source type	AC	AC
USB Type-C ports quantityDiffers	2	1
Wireless charging	No	No
Fast charging	Yes	Yes
Number of simultaneously connected devices (max)Differs	2	1
Programmable power supply (PPS)Known for one	Yes	Unknown — not stated by the source
USB Power Delivery (USB PD)	Yes	Yes
Power protection featuresDiffers	Over current, Over voltage, Short circuit	Over voltage, Short circuit
USB Power Delivery revisionKnown for one	Unknown — not stated by the source	3.0
Designidentical
Product colour	Black	Black
Gallium nitride (GaN) transistors	Yes	Yes
Power9 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 voltage	20 V	20 V
Minimum output voltage	5 V	5 V
AC adapter output currentKnown for one	3 A	Unknown — not stated by the source
Port 1 output powerDiffers	30 W	45 W
Port 2 output powerKnown for one	30 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
Output current (15V)Differs	2 A	3 A
Output current (20V)Differs	1.5 A	2.25 A
Port 1 output currentKnown for one	3 A	Unknown — not stated by the source
Port 2 output currentKnown for one	3 A	Unknown — not stated by the source
Power consumption (no load)Differs	0.068 W	0.09 W
Average active efficiencyDiffers	84.77% (230V, 50Hz, USB-C1+USB-C2: 5. 0VDC/1.5A+5.0VDC/1.5A)	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	80.2%	80.91%
Power plug type	Type C	Type C
Weight & dimensions3 differ
WidthDiffers	38 mm	40 mm
Depth	82 mm	82 mm
HeightDiffers	16 mm	35 mm
WeightDiffers	38 g	93 g
Packaging data5 differ
Package widthDiffers	85 mm	61 mm
Package depthDiffers	130 mm	125 mm
Package heightDiffers	30 mm	41 mm
Package volumeDiffers	400 cm³	300 cm³
Package weightDiffers	67 g	100 g
Package typeKnown for one	Unknown — not stated by the source	Hanging box
Logistics data1 differ
Country of originDiffers	Taiwan	China
Other features1 differ
Dimensions (WxDxH)Differs	38 x 82 x 16 mm	40 x 82 x 35 mm
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	CE

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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