Product comparison · 2 power banks

Hama PD20-W20 Lithium Polymer (LiPo) vs Hama Roll Up 20

Key differences

Battery charge time (USB)
- PD20-W20 Lithium Polymer (LiPo):7 h
- Roll Up 20:2.3 h
USB Type-C ports quantity
- PD20-W20 Lithium Polymer (LiPo):2
- Roll Up 20:1
Total output power
- PD20-W20 Lithium Polymer (LiPo):22.5 W
- Roll Up 20:45 W
Width
- PD20-W20 Lithium Polymer (LiPo):29.1 mm
- Roll Up 20:34 mm
Depth
- PD20-W20 Lithium Polymer (LiPo):71.5 mm
- Roll Up 20:52.1 mm
Height
- PD20-W20 Lithium Polymer (LiPo):113.6 mm
- Roll Up 20:152.8 mm
Weight
- PD20-W20 Lithium Polymer (LiPo):322.9 g
- Roll Up 20:425.8 g
Battery technology
- PD20-W20 Lithium Polymer (LiPo):Lithium Polymer (LiPo)
- Roll Up 20:Lithium-Ion (Li-Ion)

Differences highlightedShow differences only

Comparison of PD20-W20, Roll Up 20
36 specifications	A Hama PD20-W20 Lithium Polymer (LiPo) Model PD20-W20 View product	B Hama Roll Up 20 View product
Performance1 differ
Battery voltageKnown for one	3.85 V	Unknown — not stated by the source
Battery capacityKnown for one	77 Wh	Unknown — not stated by the source
USB Power Delivery up toKnown for one	18 W	Unknown — not stated by the source
Battery charge time (USB)Differs	7 h	2.3 h
Ports & interfaces1 differ
USB Type-C ports quantityDiffers	2	1
Power2 differ
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 powerDiffers	22.5 W	45 W
Power protection featuresDiffers	Overcharge, Over voltage, Short circuit, Overheating	Overcharge, Over voltage, Overheating, Short circuit
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	34 mm
DepthDiffers	71.5 mm	52.1 mm
HeightDiffers	113.6 mm	152.8 mm
WeightDiffers	322.9 g	425.8 g
Packaging contentidentical
Cables includedKnown for one	USB Type-C	Unknown — not stated by the source
Battery1 differ
Battery technologyDiffers	Lithium Polymer (LiPo)	Lithium-Ion (Li-Ion)

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.