Good capacity, price / performance ratio is great, low capacity "in need of improvement"

Good capacity, price / performance ratio is great, low capacity "in need of improvement"

External Power Bank 12000 mAh, USB port, 8 Adapter for Apple iPhone, micro and mini USB, PSP, charger for your phone, CM3-PB-005 (Wireless Phone Accessory)
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Customer Review

Conceived as "long term care" for an iPhone as Navi battery has its good service provided. He loaded five times by different battery levels (5-25%) My iPhone. I have calculated a loaded !! Capacity of almost 7000 mAh, which is pretty good in my opinion. Mathematically, would the 12000 mAh (at 3.3V) battery 7900 mAh at 5 volts. Located less than 15% conversion loss are da me very well or if the battery has more than 12,000 mAh. In addition, he has only twice finished loading / unloading, capacity could therefore continue to grow moderately.
Small negative point: The anyway be displayed have only four stages remaining capacity indicator is useless. Immediately after short use and full charge, it shows already at 50-75%. Too fast one is then at 25-50, but after that is still a lot of "juice" in it ...
Unrated: Long-term quality / capacity ...
Regards, Andreas

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