Duracell 3350 power bank vs Duracell 6700 power bank

Comparison of 3350, 6700

7 specifications	A Duracell 3350 power bank Model 3350 View product	B Duracell 6700 power bank Model 6700 View product
Designidentical
Number of simultaneously connected devices (max)	1	1
Product colour	Black, Bronze	Black, Bronze
Charger compatibility	Universal	Universal
LED indicators	Yes	Yes
Performanceidentical
Charging source	USB	USB
Ports & interfacesidentical
Input interface	USB Type-A	USB Type-A
Battery1 differ
Battery capacityDiffers	3350 mAh	6700 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.