Product comparison · 2 mobile device chargers

InLine USB power supply, GaN charger, 4-port, 2x USB-C + 2x USB-A vs InLine USB-C extension, 5-port

Key differences

Power source type
- USB power supply, GaN charger, 4-port, 2x USB-C + 2x USB-A:AC
- USB-C extension, 5-port:USB
USB Type-C ports quantity
- USB power supply, GaN charger, 4-port, 2x USB-C + 2x USB-A:2
- USB-C extension, 5-port:5
Maximum power
- USB power supply, GaN charger, 4-port, 2x USB-C + 2x USB-A:120 W
- USB-C extension, 5-port:100 W
Minimum output voltage
- USB power supply, GaN charger, 4-port, 2x USB-C + 2x USB-A:5 V
- USB-C extension, 5-port:15 V
Width
- USB power supply, GaN charger, 4-port, 2x USB-C + 2x USB-A:111 mm
- USB-C extension, 5-port:37 mm
Depth
- USB power supply, GaN charger, 4-port, 2x USB-C + 2x USB-A:98 mm
- USB-C extension, 5-port:91 mm
Height
- USB power supply, GaN charger, 4-port, 2x USB-C + 2x USB-A:21 mm
- USB-C extension, 5-port:22 mm
Weight
- USB power supply, GaN charger, 4-port, 2x USB-C + 2x USB-A:288 g
- USB-C extension, 5-port:114 g

Differences highlightedShow differences only

Comparison of 31515B, 31515D
27 specifications	A InLine USB power supply, GaN charger, 4-port, 2x USB-C + 2x USB-A Model 31515B View product	B InLine USB-C extension, 5-port Model 31515D View product
Performance2 differ
Power source typeDiffers	AC	USB
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	2	Unknown — not stated by the source
USB Type-C ports quantityDiffers	2	5
USB Power Delivery revisionKnown for one	Unknown — not stated by the source	3.1
Designidentical
Gallium nitride (GaN) transistorsKnown for one	Yes	Unknown — not stated by the source
Power2 differ
Input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
Input frequencyKnown for one	50/60 Hz	Unknown — not stated by the source
Input currentKnown for one	2.3 A	Unknown — not stated by the source
Maximum powerDiffers	120 W	100 W
Maximum output voltageKnown for one	20 V	Unknown — not stated by the source
Minimum output voltageDiffers	5 V	15 V
Efficiency at low load (10%)Known for one	Yes	Unknown — not stated by the source
Output current (15V)Known for one	Unknown — not stated by the source	1.2 A
Weight & dimensions4 differ
WidthDiffers	111 mm	37 mm
DepthDiffers	98 mm	91 mm
HeightDiffers	21 mm	22 mm
WeightDiffers	288 g	114 g
Packaging contentidentical
Cables includedKnown for one	AC	Unknown — not stated by the source
Other features1 differ
Dimensions (WxDxH)Differs	111 x 98 x 21 mm	37 x 91 x 22 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.