Product comparison · 2 power banks

Cellularline Free power smart vs mophie 4137 power bank Lithium Polymer (LiPo)

Key differences

Product colour
- Free power smart:Blue
- 4137 power bank Lithium Polymer (LiPo):Black
Battery technology
- Free power smart:Lithium-Ion (Li-Ion)
- 4137 power bank Lithium Polymer (LiPo):Lithium Polymer (LiPo)
Battery capacity
- Free power smart:2500 mAh
- 4137 power bank Lithium Polymer (LiPo):6000 mAh

Differences highlightedShow differences only

Comparison of Free power smart, 4137
18 specifications	A Cellularline Free power smart View product	B mophie 4137 power bank Lithium Polymer (LiPo) Model 4137 View product
Design2 differ
Number of simultaneously connected devices (max)	1	1
Product colourDiffers	Blue	Black
Charger compatibilityDiffers	Mobile phone/Smartphone, Tablet, MP3/MP4, GPS, E-book reader	Universal
LED indicatorsKnown for one	Unknown — not stated by the source	Yes
WaterproofKnown for one	Unknown — not stated by the source	No
Performanceidentical
Charging source	USB	USB
Fast chargingKnown for one	Unknown — not stated by the source	No
Ports & interfacesidentical
USB Type-A output portsKnown for one	Unknown — not stated by the source	1
USB Type-C ports quantityKnown for one	Unknown — not stated by the source	1
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	70 mm
DepthKnown for one	Unknown — not stated by the source	13.6 mm
HeightKnown for one	Unknown — not stated by the source	143.5 mm
WeightKnown for one	Unknown — not stated by the source	167 g
Battery2 differ
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Battery capacityDiffers	2500 mAh	6000 mAh
Poweridentical
Input voltageKnown for one	5 V	Unknown — not stated by the source
Input currentKnown for one	1 A	Unknown — not stated by the source
Output currentKnown for one	1 A	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.