nag-charge ako sabay ng phones ko, yung S9 saka yung old S7e. both are at 15% battery level, all apps closed. same manufacturer supplied charger, usb-c yung S9, usb mini yung S7e. in less than 2hrs, S7e reached 100% while si S9 naman nasa 87% pa lang. so mas madaling napuno yung 3600mAh (S7e) kesa 3000mAh (S9)? o di kaya since old na yung battery ng S7e kaya madali na mapuno
