Thanks to big 4,000 mAh, 4,500 mAh and a huge 5,000 mAh battery in the Galaxy S20 family, Samsung promises all-day battery life. Plus they recharge faster than ever before, too.

Curiously enough, the S21 is the only one of the new trio for which Samsung mentioned more than a day of battery life, even though it has the smallest battery pack. Last year, the Galaxy S20 got an excellent score with its screen at 60Hz, as battery life reached 12 hours and 12 minutes during our testing procedure, but when you switched to

The battery doesn't last that long, say around 1 day, 6 hours for me if I have a very lazy day. But here's my usage (and I have to charge it twice a day). AOD Off, HR continuous, Blood O2 during sleep (10pm - 7am), WiFi Auto, GPS On, "Hey Google" On when the watch face is On.
While the phone is on, open the back cover and pull the battery out. Without its battery, press and hold the Power key for a minute. Now place the battery back in and the back cover. Try to charge

The Galaxy S4 mini is powered by a 1900 mAh battery that should provide enough juice for the dual-core Snapdragon 400 chipset and the Super AMOLED qHD screen. The Galaxy S4 mini showed excellent endurance for 3G calls. The smartphone lasted 13 hours and 10 minutes, which is quite impressive considering the relatively modest battery – all the

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