Product comparison · 2 power banks

NGS PowerPump 4400 Duo vs NGS PowerPump 6600

Key differences

Differences highlightedShow differences only

Comparison of PowerPump 4400 Duo, PowerPump 6600
21 specifications	A NGS PowerPump 4400 Duo View product	B NGS PowerPump 6600 View product
Design1 differ
Number of simultaneously connected devices (max)	2	2
Product colourDiffers	Black, Pink	Black, Grey
Charger compatibility	Mobile phone/Smartphone, Tablet, MP3/MP4, GPS, E-book reader	Mobile phone/Smartphone, Tablet, MP3/MP4, GPS, E-book reader
On/off switchKnown for one	Yes	Unknown — not stated by the source
Built-in flashlight	Yes	Yes
LED indicators	Yes	Yes
Performanceidentical
Charging source	USB	USB
Battery charge time (USB)Known for one	6 h	Unknown — not stated by the source
Ports & interfacesidentical
Input interface	Micro-USB	Micro-USB
USB ports quantity	2	2
Power1 differ
Input voltage	5 V	5 V
Input current	1 A	1 A
Output currentDiffers	3.1 A	2 A
Output voltage	5 V	5 V
Weight & dimensions4 differ
WidthDiffers	45 mm	65 mm
DepthDiffers	90 mm	95 mm
HeightDiffers	20 mm	25 mm
WeightDiffers	110 g	175 g
Packaging contentidentical
Cables included	Micro-USB	Micro-USB
Battery1 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Battery capacityDiffers	4400 mAh	6600 mAh

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.