ZenFone Max's lithium-polymer battery offers 37.6 hours of 3G talk time, that is equivalent to 32.5 hours of Wi-Fi web browsing or 72.9 hours of music playback or 22.6 hours of video playback, when fully charged. The 5.2 mm thin chassis of the ZenFone Max, which will be available at ASUS exclusive stores and other retailers from the second fortnight of January, packs a 13-megapixel primary and 5-megapixel front PixelMaster camera.