When comparing Anker PowerCore 20100 vs Intocircuit Power Castle 11200mAh, the Slant community recommends Intocircuit Power Castle 11200mAh for most people. In the question“What are the best external battery packs for smartphones?” Intocircuit Power Castle 11200mAh is ranked 1st while Anker PowerCore 20100 is ranked 2nd.
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Pros
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.
Pro Great value
Cons
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.