Battery Life
Powered by a non-removable 2600 mAh Li-Po battery, the Desire 816 could last up to 737 hours on standby and offer up to 21 hours of talk time over 3G networks. The device's endurance rating was logged at 64 hours, illustrating its ability to comfortably last through daily activities on a moderate usage pattern, though heavy users might find themselves needing a midday top-up.