We are putting the Xiaomi Redmi 13 through its paces and just completed the battery life test. The results from the $180, 4G mid-ranger are mixed. The phone is equipped with a 5,030mAh battery, which is good, but the Helio G91 Ultra chipset (which is fabbed on an ancient 12nm node) is proving to be an issue. The Redmi 13 did surprisingly well in the video test – 15:00h – considering that it has a large 6.79” IPS LCD (90Hz). It’s not all that bright at 550 nits max, but we test all phones at the same brightness setting of 200 nits, so they are on a level playing field. The voice call...

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