Mobile phone users around the globe prefer a smartphone with an optimised battery life that offers longer usage with less charging time. Owing to that, manufacturers are installing high-capacity batteries and upgrading the software and hardware of some variants. 

Moreover, fast and wireless charging technologies have increased the demand for phones with the best battery backup due to their convenience in charging. 

Therefore, to streamline your choice of the longest battery life phone, we present this article on the top 10 best battery life mobile phones available in the market.

Generally, mobile phone usage is not restricted to calling and messaging due to the emergence of new technologies. However, whether you use a phone for its basic features or others, it is supposed to sport a battery life of at least 24 hours. 

Given below is a list of the best smartphones with the longest battery life depending on their runtime and usage style.

1. Samsung Galaxy M31s

Equipping a 6000mAh battery, this model has a long battery life of around 48 hours. As it comes with a 25W charger and fast charging technology, you can expect it to get fully charged in about 2 hours. 

While performing basic functions, the charge in this phone is supposed to last a day and a half. However, if you watch videos for a long time, you might have to plug in a charger after roughly 12 hours. 

Additionally, this phone features a low-powered Exynos 9 Octa 9611 that offers optimised battery backup. It also features 6 GB RAM with a storage capacity of 128 GB expandable up to 512 GB. Further, it supports 4G VoLTE network connectivity. 

Like the above model, this device is best suited for photographers due to its unique camera features.

Other specifications:

• Screen size- 6.5-inch (2400 × 1080)
• Camera- (64+12+5+5) MP primary camera, 32 MP secondary camera 
• Operating system- Android 10
• Price- Around Rs.19,000
• Awards- NA

2. realme 7

This model from the realme 7 series consists of a 5000mAh lithium-ion battery that runs for more than 24 hours without charging. Further, the 30W Dart Charge Support in this variant makes it possible to fully charge it within 65 minutes. Also, the 30W charger and USB cable come bundled together in this phone. 

As per the battery test results, this model functions for 38 hours if it is only used for calling and 35 hours for web browsing. 

In addition to this, it sports a MediaTek Helio G95 processor type consisting of 8 cores. Further, it has a storage capacity of 64 GB and a memory of 6 GB. It supports 4G VoLTE, 4G, 3G, and 2G networks when it comes to connectivity.

Owing to its quad camera and G95 game processor, this is one of the phones with the best battery backup ideal for photographers and gamers. 

Other specifications:

• Screen size- 6.5-inch (2400 × 1080)
• Camera- (64+8+2+2) MP primary camera, 16 MP secondary camera 
• Operating system- Android 10
• Price- Around Rs.15,000
• Awards- NA

3. realme C12

This model equips a 6000mAh battery that gives a runtime of around 32 hours without charging. Further, it comes with a 10W charger that completes the full charging of the device in 210 minutes. Also, it supports reverse charging.

Additionally, upon playing a game for one hour, the realme C12 battery drains a 5% charge. Listening to music for an hour shrinks charge by 2% whereas, attending online classes for an hour or so decreases charge by around 6%. 

Apart from this, the device sports a MediaTek Helio G35 octa-core processor that enables the proper functioning of various programs. Further, it sports 3 GB RAM and a storage capacity of 32 GB expandable up to 256 GB. When it comes to connectivity, this smartphone offers a 4G network type. 

Because this is one of the phones with the best battery backup, it is desirable among college students and gamers who use their phones for a long time. 

Other specifications:

• Screen size- 6.52-inch (1600 × 720)
• Camera- (13+2+2) MP primary camera, 15 MP secondary camera 
• Operating system- Android 10
• Price- Around Rs.8,000
• Awards- It received an editorial choice award for the best realme phones under 10000

4. realme C15

This device shows similarity with the one mentioned above as it entails a 6000mAh battery that keeps it running for roughly 32 hours without plugging in a charger. However, an 18W charging adapter speeds up its charging time. It also offers reverse charging. 

Owing to its massive battery, the model can withstand 46 hours of calling or 10.2 hours of gameplay, or 18 hours of streaming online videos and movies on a single full charge. 

Other than this, it sports an octa-core Qualcomm Snapdragon 460 processor along with a memory of 3 GB and a storage capacity of 32 GB, which can be expanded to 256 GB. Further, this model supports 4G connectivity. 

Students and gamers will find this device catering to their needs. 

Other specifications:

• Screen size- 6.52-inch (1600 × 720)
• Camera- (13+8+2+2) MP primary camera, 8 MP secondary camera 
• Operating system- Android 10
• Price- Around Rs.9,000
• Awards- NA

5. Samsung Galaxy M51

Mobile giant Samsung presents this model to meet the demands of consumers looking for phones with the best battery backup. Featuring a 7000mAh battery, this model runs for 32 hours without needing a charge. Further, it equips a 25W adapter charger that takes just 1 hour and 47 minutes to charge from 0% to 100%.

Using this phone for basic activities will make its charge last for over two days. However, heavy usage activities like gaming will drain its charge a bit faster. 

Additionally, this device sports a Qualcomm Snapdragon 730G octa-core processor, with 6 GB RAM and 128 GB internal storage. It supports 4G VoLTE, 4G, and 3G network connectivity. 

The optimised camera feature in this phone makes it an ideal buy for photographers. 

Other specifications:

• Screen size- 6.7-inch (2400 × 1080)
• Camera- (64+12+5+5) MP primary camera, 32 MP secondary camera 
• Operating system- Android 10
• Price- Around Rs.24,000
• Awards- Runner up for best mid-range phone of 2020

6. realme Narzo 10

Sporting a 5000mAh lithium-ion battery, this model has a total runtime of over 24 hours without charging. Additionally, it supports PD and QC charges. As it comes with an 18W adapter, it takes around 90 minutes to get fully charged. 

If you are wondering how to keep a phone’s battery life longer, you can choose to buy this device. It maintains the charge for a day and a half on this phone if you play games, watch videos, and web browsing for 1-2 hours. However, upon reaching 20%, it is advisable to turn on the power saving mode as the charge drains out unexpectedly at this point. 

Furthermore, this model features a MediaTek Helio G80 (12nm) octa-core processor and 4 GB RAM with an internal storage of 128 GB expandable up to 256 GB. It also supports 4G VoLTE, 4G, 3G, and 2G network connectivity. 

Due to its sturdy design and lag-free gaming, this phone is best suitable for college-goers and gamers. 

Other specifications:

• Screen size- 6.5-inch (1600 × 720)
• Camera- (48+8+2+2) MP primary camera, 16 MP secondary camera
• Operating system- Android 10
• Price- Around Rs.12,000
• Awards- This model fetched the editorial choice award for the best 5000mAh battery mobile phones under 15000

7. realme Narzo 10A

Similar to the previous model, this variant also features a 5000mAh battery that offers a backup beyond 24 hours. Although this model does not support fast charging, it supports reverse charging. Further, it has a 10W charging adapter that takes around 3 hours to charge.

Upon doing regular activities like calling, sending emails, texting, etc., this phone’s battery lasted for around a day and a half. However, continuous gaming made the battery last for about 7 hours. Therefore, if you wish to stop your battery from draining so fast, you can reduce the time of heavy usage activities like gaming, etc. 

Additionally, you will find a MediaTek Helio G70 (12nm) octa-core processor featuring this device. It also comes with 3 GB RAM and a storage capacity of 32 GB which may be expanded to 256 GB. Additionally, it supports various networks like 4G VoLTE, 4G, 3G, and 2G. 

Owing to its low price and gaming performance, this variant is ideal for students and gamers. 

Other specifications:

• Screen size- 6.52-inch (1600 × 720)
• Camera- (12+2+2) MP primary camera, 5 MP secondary camera 
• Operating system- Android 10
• Price- Around Rs.10,000
• Awards- This device has been awarded the best 5000mAh battery mobile phones under 11000 by editorial choice

8. Xiaomi Redmi Note 10 Pro

Packed with a 5020mAh Li polymer battery, this device offers a backup of more than 24 hours without charging. The 33W adapter enables a charging time of one hour from nil to 100%. However, it does not come with wireless charging support. 

Using this phone exclusively for video playback, web browsing, and 3G calling resulted in an enhanced battery endurance rating of 118 hours. 

Furthermore, this smartphone features a Qualcomm Snapdragon 732G octa-core processor with 6 GB RAM and internal storage of 64 GB, expandable to 512 GB. It also performs optimally over network connections like 4G VoLTE, 4G, 3G, and 2G. 

As this device serves a user’s everyday requirements efficiently, it is an ideal choice for parents. 

Other specifications:

• Screen size- 6.67-inch (2400 × 1080)
• Camera- (64+8+5+2) MP primary camera, 16 MP secondary camera 
• Operating system- Android 11
• Price- Around Rs.18,000
• Awards- This model has housed many editorial choice awards, including the best budget smartphones in India

9. realme 7 Pro

If you are looking for phones with the best battery life, you must check out this variant from the realme 7 series. It has a battery capacity of 4500mAh with a 65W SuperDart charging technology. Therefore, it takes around 40 minutes to deliver a full charge. Further, it facilitates reverse charging. Additionally, it enables users to go without charging for about 22 hours. 

Watching videos on this phone for over 3 hours can lose around 16% of the charge from a full battery.  

Apart from this, the phone sports an octa-core Qualcomm Snapdragon 720G processor that allows the smooth running of multiple functions. Further, it consists of 6 GB RAM and an internal storage capacity of 128 GB expandable up to 256 GB. In addition to this, it supports a wide range of network types like 4G VoLTE, 4G, 3G, and 2G. 

As this phone features a game space dedicated to gamers, they might find this option suitable. 

Other specifications:

• Screen size- 6.4-inch (2400 × 1080)
• Camera- (64+8+2+2) MP primary camera, 32 MP secondary camera 
• Operating system- Android 10
• Price- Around Rs.20,000
• Awards- Best budget phone of 2020- IGA 2020 runner up

10. realme X3 SuperZoom

This model packs in a battery of 4200mAh that can run for around 21 hours. Owing to realme’s 30W Dart Flash Charge technology, this phone takes about an hour to charge. Additionally, it comes with PD Charge support. 

Upon using this phone normally for basic purposes like calling, texting, etc., the charge lasts for around a day and a half. However, using this variant for gaming will make its charge last for roughly 24 hours. 

Furthermore, this model features an octa-core Qualcomm Snapdragon 855+ processor with 8 GB RAM and internal storage of 256 GB. Also, it supports a 4G VoLTE, 4G, 3G, and 2G network type. 

In addition to this, the phone’s highlight is its periscope telephoto camera that makes it a desirable phone among photographers. 

Other specifications:

• Screen size- 6.57-inch (2400 × 1080)
• Camera- (64+8+8+2) MP primary camera, (32+8) MP secondary camera 
• Operating system- Android 10
• Price- Around Rs.24,000
• Awards- Editorial choice awards for the best 4G mobile phones under 30000 and more