Ranked in these QuestionsQuestion Ranking
Pro Great price for the capacity
Pro Huge capacity
Its capacity is 20,000 mAh which can charge an iPhone 6 seven times, and a Galaxy S6 five times.
Pro High power output
It has 2 USB ports that output at 2.4 amps each allowing it to charge 2 devices at the maximum rate for most phones.
Pro Solid build quality
Pro Safe power output
Anker is a well established quality brand, and contains surge protection, and other safety features to make sure that the power output matches whatever your device can take.
Con Very heavy
Due to the size of the battery this device is pretty heavy and less portable than others. While not unexpected it is something to consider for a portable charger.