Buzz
The Samsung S21 Ultra is the latest and most premium smartphone from the tech giant Samsung, originating from South Korea. This phone is currently acclaimed as the top-ranking Android smartphone globally, directly competing with Apple's high-end flagship, the iPhone 12 with the iOS operating system.
Users have always been content with the battery life of various Android models, especially Samsung's. The new high-end Samsung S21 Ultra provides a commendable battery usage experience.
According to information provided by the manufacturer, the Samsung S21 Ultra features a 5000mAh battery, similar to the predecessor S20 Ultra. However, Samsung has made improvements to ensure that the S21 Ultra lasts even longer.
Battery life on the Samsung S21 Ultra phone
Owning top-notch features such as a screen refresh rate of up to 120Hz, displaying in stunning 2K+, and recording 4K 60FPS videos on all lenses, many might worry about the 5000mAh battery's unchanged capacity, potentially affecting usage time.
Contrary to concerns, the battery life on the S21 Ultra phone has seen significant improvement compared to the S20 Ultra. Samsung, for the first time, has introduced the production of the Snapdragon 888 and Exynos 2100 chips on the new 5nm process, enhancing performance and power efficiency.
Additionally, Samsung has advanced smarter software processing to optimize power consumption, automatically adjusting screen brightness and refresh frequency from 10Hz to 120Hz when the screen is idle, resulting in a battery saving of up to 15-20%.
According to references from Phonearena, the average battery life on the Samsung S21 Ultra reaches approximately 11 hours and 43 minutes, topping the chart in battery duration, surpassing both the S21 Plus and the iPhone 12 Pro Max.
Tests on the usage time of the Samsung S21 Ultra for specific tasks also provided impressive results. According to a referenced test, battery life when setting the phone to 100% screen brightness, 100% volume, 120Hz refresh rate, WQHD+ screen resolution, without enabling power-saving mode and enabling high-performance mode:
Using 5 commonly used apps - Chrome, YouTube, Facebook, Messenger, and Zalo - the Samsung S21 Ultra demonstrated continuous usage times of 10 hours and 42 minutes for Facebook, 10 hours and 22 minutes for Messenger, 9 hours and 48 minutes for Zalo, 8 hours and 34 minutes for Chrome, and 10 hours and 15 minutes for YouTube.
This is genuinely a positive outcome, proving the stable and optimized performance of the Samsung S21 Ultra phone. With this phone, you can confidently use it throughout an entire day.
As for gamers, the Samsung S21 Ultra can endure even the heaviest games with the same full phone settings as tested with the familiar apps above. Here are the results:
Continuous gaming time with heavy games averages around 6 hours. This result on the Samsung S21 Ultra is more than satisfying for gamers.
Charging time of the Samsung S21 Ultra phone
The Samsung S21 Ultra phone is equipped with 25W wired fast charging, 15W fast wireless charging, and 4.5W reverse wireless charging. This provides a convenient and easy battery usage experience.
Charging the Samsung S21 Ultra phone to over 50% takes approximately 30 minutes, and on average, it takes about 1 hour and 20 minutes to fully charge.
