http://www.techradar.com/news/samsungs-galaxy-s9-phones-will-last-longer-despite-unchanged-batteries >On of the most glaring details that was absent from the Samsung Galaxy S9 box leak last week (and there were a few) was any information regarding the upcoming handset's battery. Now, thanks to Brazil's telecom regulator Anatel, the S9 and S9 Plus' that particular detail may have been revealed. >According to the certificates obtained by SlashLeaks, Samsung's next flagship handsets will have the same sized batteries as their predecessors, with the S9 packing a 3,000mAh unit and the S9 Plus sporting a 3,500mAh one — exactly the same capacities as seen in their S8 predecessors.