Product comparison · 2 power banks

Hama PD20-W20 Lithium Polymer (LiPo) vs Ugreen PB521 Lithium Polymer (LiPo)

24specifications compared
10differ
14identical
15known for one product only

Key differences

The Hama PD20-W20 Lithium Polymer (LiPo) has 3 Wh more battery capacity than the Ugreen PB521 Lithium Polymer (LiPo) (77 Wh vs 74 Wh). The Ugreen PB521 Lithium Polymer (LiPo) has 12 W more USB Power Delivery up to than the Hama PD20-W20 Lithium Polymer (LiPo) (30 W vs 18 W). The Hama PD20-W20 Lithium Polymer (LiPo) has 3 h more battery charge time (USB) than the Ugreen PB521 Lithium Polymer (LiPo) (7 h vs 4 h). Product colour: Anthracite on the Hama PD20-W20 Lithium Polymer (LiPo), Beige on the Ugreen PB521 Lithium Polymer (LiPo). Fast charging technology: Quick Charge 3.0, Power Delivery 3.0 on the Hama PD20-W20 Lithium Polymer (LiPo), Quick Charge 3.0 on the Ugreen PB521 Lithium Polymer (LiPo).

Product colour
- PD20-W20 Lithium Polymer (LiPo):Anthracite
- PB521 Lithium Polymer (LiPo):Beige
Battery capacity
- PD20-W20 Lithium Polymer (LiPo):77 Wh
- PB521 Lithium Polymer (LiPo):74 Wh
USB Power Delivery up to
- PD20-W20 Lithium Polymer (LiPo):18 W
- PB521 Lithium Polymer (LiPo):30 W
Battery charge time (USB)
- PD20-W20 Lithium Polymer (LiPo):7 h
- PB521 Lithium Polymer (LiPo):4 h
USB Type-C ports quantity
- PD20-W20 Lithium Polymer (LiPo):2
- PB521 Lithium Polymer (LiPo):1
Width
- PD20-W20 Lithium Polymer (LiPo):29.1 mm
- PB521 Lithium Polymer (LiPo):116 mm
Depth
- PD20-W20 Lithium Polymer (LiPo):71.5 mm
- PB521 Lithium Polymer (LiPo):70 mm
Height
- PD20-W20 Lithium Polymer (LiPo):113.6 mm
- PB521 Lithium Polymer (LiPo):30 mm

Side by side

Differences highlightedShow differences only

Comparison of PD20-W20, PB521
39 specifications	A Hama PD20-W20 Lithium Polymer (LiPo) Model PD20-W20 View product	B Ugreen PB521 Lithium Polymer (LiPo) Model PB521 View product
Design1 differ
Product colourDiffers	Anthracite	Beige
Housing materialKnown for one	Unknown — not stated by the source	Polycarbonate (PC), Acrylonitrile butadiene styrene (ABS)
Performance4 differ
Battery voltageKnown for one	3.85 V	Unknown — not stated by the source
Battery capacityDiffers	77 Wh	74 Wh
Wireless chargingKnown for one	No	Unknown — not stated by the source
Fast charging technologyDiffers	Quick Charge 3.0, Power Delivery 3.0	Quick Charge 3.0
USB Power Delivery up toDiffers	18 W	30 W
Battery charge time (USB)Differs	7 h	4 h
Ports & interfaces1 differ
USB Type-A connectorKnown for one	Yes	Unknown — not stated by the source
USB Type-C ports quantityDiffers	2	1
Poweridentical
USB Type-C required charging power (min)Known for one	15 W	Unknown — not stated by the source
USB Type-C required charging power (max)Known for one	15 W	Unknown — not stated by the source
Total output powerKnown for one	22.5 W	Unknown — not stated by the source
Power protection featuresKnown for one	Overcharge, Over voltage, Short circuit, Overheating	Unknown — not stated by the source
Output currentKnown for one	Unknown — not stated by the source	3 A
Output voltageKnown for one	Unknown — not stated by the source	5 V
Sustainabilityidentical
Sustainability certificatesKnown for one	Forest Stewardship Council (FSC)	Unknown — not stated by the source
Certificatesidentical
CertificationKnown for one	CE	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	29.1 mm	116 mm
DepthDiffers	71.5 mm	70 mm
HeightDiffers	113.6 mm	30 mm
WeightDiffers	322.9 g	344 g
Packaging contentidentical
Cables includedKnown for one	USB Type-C	Unknown — not stated by the source
Quantity per packKnown for one	1 pc(s)	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source

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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