Best phone battery life in 2021: The longest lasting smartphones
Batteries in smartphones are lasting longer than ever. But it’s inevitable that, eventually, they’ll run out. It’s always helpful to have a spare, but some phones outshine others in terms of their ability to last longer before creeping into the red.
Which Phones Have the Best Battery Life?
We spent time with some of the most popular smartphones on the market to find the phones with the best battery life. These phones were rated not just on length of battery life, but also how likely they are to malfunction in conditions like when it’s cold out. Battery meters can also be deceiving, as some companies show the display at “100% charged” for longer than it actually is, and same goes for the opposite end when it’s almost out, displaying less power than you really have.
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Last updated: December 02, 2021 (Changelog)
Fast charging has been getting faster and more widely available even on more affordable smartphones. Still, while being able to top up a phone in less than an hour, or even as fast as half an hour, can lead to changing your charging habits entirely, actual battery autonomy remains a key priority - no flash charge can help you out when there's no power outlet around.
So, on this page you will find the phones that prioritize battery life and scored at the top of our battery testing chart.DITORS' CHOICE
Xiaomi Poco F3
- 114h Endurance rating (23:40h calls, 15:58h web, 19:02h video)
- 4,520mAh battery, 33W charging
- Cheap, yet flagship-grade phone
- 120Hz OLED screen, HDR10+
- Snapdragon 870 chip
- Versatile camera setup
- IP53-rated
- No microSD slot, no 3.5mm jack
- Mediocre ultrawide camera quality
Xiaomi Redmi Note 10 Pro
- 118h Endurance rating (28:45h calls, 14:13h web, 17:44h video)
- Great 120Hz AMOLED screen, HDR10
- Snapdragon 732G chipset is snappy and efficient
- Good camera quality overall
- Dedicated microSD slot, 3.5mm jack, NFC
- IP53-rated, dual Gorilla Glass 5
- No reverse charging
- No Night Mode on ultrawide, low-light quality is merdiocre
- A higher grade chipset would have been more exciting
Realme 8
- 127h Endurance rating (36:10h calls, 17:41h web, 17:12h video)
- Bright Super AMOLED HDR10 screen
- Solid performance on a budget
- 3.5mm jack, microSD, NFC, FM radio
- 30W fast charging
- Over the top design
- The camera quality is subpar
- No stereo speakers
Xiaomi Redmi Note 10
- 110h Endurance rating (41:21h calls, 13:55h web, 20:13h video)
- 33W charging
- Bright Full HD Super AMOLED screen
- Good quad-camera
- IP53-rated, microSD, 3.5mm jack, FM radio
- Stereo speakers
- No NFC
- Not the fastest SoC around
Realme 7 5G
- 129h Endurance rating (35:38h calls, 18:57h web, 16:03h video)
- 30W charging
- Large Full HD screen, 120Hz
- Weather-sealed ports and loudspeaker
- Good quad-camera
- Very good performance, 5G
- NFC, 3.5mm jack, microSD slot
- 120Hz refresh rate handling and automatic switching needs work
Xiaomi Poco M3
- 154h Endurance rating (46:04h calls, 21:57h web, 17:03h video)
- Large 1080p screen, small notch
- Okay camera experience
- 6,000mAh battery, 18W charging
- Stereo speakers, IR port, microSD, 3.5mm jack
- No ultrawide camera
- No NFC
- Gaming would require lowering the screen resolution
Xiaomi Poco M3 Pro 5G
- 121h Endurance rating (32:14h calls, 18:05h web, 16:36h video)
- Large 1080p screen, small notch
- Good camera experience
- 5,000mAh battery, 18W charging
- IR port, microSD, 3.5mm jack, NFC
- No ultrawide camera
- No stereo speakers
- Gaming would require lowering the screen resolution
Xiaomi Poco M4 Pro 5G
- 123h Endurance rating (33:26h calls, 18:47h web, 16:31h video)
- Large 1080p 90Hz screen, small notch
- Versatile camera experience
- 5,000mAh battery, 33W charging
- Stereo speakers, IR port, microSD, 3.5mm jack, NFC
- Gaming would require lowering the screen resolution
- No macro camera, no 4K video capturing
- Not so good speaker quality
Xiaomi Redmi 10
- 127h Endurance rating (46:37h calls, 16:46h web, 13:00h video)
- 90Hz LCD screen
- Versatile camera
- microSD, 3.5mm jack, IR port, FM radio
- Stereo speakers
- No NFC
- Not the fastest SoC around
- Underwhelming photo and video quality
Samsung Galaxy M62
- 7000mAh battery, 25W charging (older model had 156h endurance)
- Large 1080p AMOLED, good performance
- Promising photo and video quality
- Potent chip with flagship-like performance
- Recent software
- Others offer HRR screens at that price
This year managed to surprise us with some battery champions that also happen to be flagships, so we've decided on mentioning those, too. Until recently only mid-rangers and entry-levels phones were capable of making this list, but we are more than happy to see flagships evolving into such powerhouses, too.
Apple iPhone 13 Pro Max
- 121h Endurance rating (27:26h calls, 20:10h web, 24:12h video)
- 4,352mAh battery, 20W charging
- Excellent OLED screen, Dolby Vision and HDR10
- The fastest chip on the market
- Versatile triple-camera setup, macro mode
- Sturdy design, IP68
- Not the fastest charging
- Chipset is prone to throttling
Samsung Galaxy S21 Ultra 5G
- 114h Endurance rating (35:32h calls, 15:04h web, 17:53h video)
- 5,000mAh battery, 25W charging
- Excellent AMOLED screen, HDR10
- Top-notch performance
- Versatile four-camera setup, great selfies
- Sturdy design, IP68
- Not the fastest charging
- Uses different chipsets in different regions
- Bulky and slippery
FAST CHARGING
Realme GT Neo2
- 111h Endurance rating (32:18h calls, 14:34h web, 22:17h video)
- 5,000mAh battery, 65W charging
- Attractive design
- Snapdragon 870 5G chip
- Good camera experience
- 120Hz AMOLED screen
- No IP rating
- No HRR gaming
FAST CHARGING
OnePlus Nord 2 5G
- 102h Endurance rating (24:55h calls, 16:24h web, 16:02h video)
- 4,500mAh battery, 65W charging
- Attractive design
- Powerful Dimensity 1200 5G chip
- Good camera experience
- OnePlus's Oxygen on a Fluid AMOLED
- No IP rating
- Limited HRR gaming
US OPTION
Samsung Galaxy A42 5G
- 144h Endurance rating (41:01h calls, 19:12h web, 24:11h video)
- Bright AMOLED, flagship-grade performance, 5G
- Great photo and video quality
- Recent software
- Low-res screen
- Sluggish charging
Most recent updates
November 30, 2021: Added Samsung Galaxy 42 5G as US local offer.
November 18, 2021: Added Poco M4 Pro 5G.
November 5, 2021: Added the Apple iPhone 13 Pro Max, Samsung Galaxy S21 Ultra, Realme GT Neo2, and the OnePlus Nord 2 5G.
October 20, 2021: Added the Redmi 10. Removed the Galaxy A12, Realme 7 Pro, Galaxy A42 5G.
June 30, 2021: Added the Poco M3 Pro.
May 19, 2021: Replaced the Poco F2 Pro with the Poco F3 as our Editors' Choice. Replaced the Realme 6i with the Realme 8. Replaced the Redmi Note 9S with the Redmi Note 10 Pro. Replaced the Mi Note 10 Lite with the Redmi Note 10. Replaced the Galaxy A21s with the Galaxy A12. Replaced the Galaxy M51 with the Galaxy M62. Removed the Galaxy M30s, Moto G9 Plus, Moto G8 Power / G Power.
Jan 05, 2021: Added Samsung Galaxy M51. Added Samsung Galaxy A42 5G. Added Poco M3. Added Moto G8 Power / G Power.
Nov 27, 2020: Replaced Moto G8 Power with G9 Plus. Replaced the Realme 5 with Realme 7 Pro and Realme 7 5G. Added Samsung Galaxy A21s. Added Mi Note 10 Lite. Removed iQOO 3.

















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