Samsung made much ado over the Galaxy S III's 2,100mAh battery, but we've been wondering whether or not that power pack was a major perk or just a necessity to offset that hefty Exynos 4 Quad. One of what looks to be a growing number of escaped pre-release devices was put through the ringer in battery tests and came out looking spic-and-span: it lasted for just over 10 hours for video and voice, or long enough to make even a tablet like the new iPad or