Essential for Ingress player

Used for two months to expand the capacity of my Galaxy S5, I am very happy with the battery itself. Allows you to load more than three times completely S5 (not 4), also works well in continuous power supply in the pocket to play Ingress, however with this treatment the cable supplied 90cm is a bit shaky at the base of the microphone connector USB, it is indeed already almost naked son. The small duct junction between the micro USB connector and cable has already been torn. So the son is a little bare. Because it sells in packs of three, I question a little weak at this level ...