10 Best Battery Smartphones in 2021: Low & High Budget Smartphones List

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Best mobile phones with Longest Battery Life
Best mobile phones with Longest Battery Life

Best battery cell phone: see models to buy in 2021

List brings together the cell phones with the best battery to buy in 2021. You can find models from manufacturers such as Motorola, Samsung and Xiaomi, in different price ranges.

Those looking for a cell phone with a better battery to buy in 2021 will find several models for sale in Pakistan, from the top-of-the-line, with a more powerful technical sheet, to the cheapest smartphones, but which do the job depending on their use. Although component capacity is important, it is natural that battery life is tied to different factors, such as the type of use you make of your smartphone and even cell phone specifications, since devices with more powerful hardware tend to consume more energy.

Anyway, you can find devices with battery for about two days of use in different price ranges. To help you in this choice, we selected the cell phones with the best battery to buy in 2021 . Some models on the list even offer fast charging, capable of guaranteeing a few hours of use with just a few minutes in the socket.

How to choose a cell phone with the best battery?

The acronym mAh (milliampere-hour) refers to a unit of measurement used to indicate the capacity of a battery to accumulate charge. In theory, the greater this number, the greater the autonomy of the device. However, in practice, other factors also end up influencing durability, such as screen size and resolution, type of display, processor, running applications and frequency of use of the device, among others.

For example, an intermediate cell phone, which has a weaker hardware set, should withstand a day of use on a 4,000 mAh battery. However, this value may not be enough for an advanced smartphone, with a powerful processor and a high quality screen, to withstand the same period.

Therefore, when looking for cell phones with better batteries, it is important to pay attention to several factors, such as capacity and the type of use you will make. It is noteworthy that the battery also affects the price of the smartphone. As they are made on a lithium basis, more material is needed to produce batteries with greater capacity.

Finally, to ensure that the battery lasts for a long time, some good practices are recommended, such as using original chargers and charging the device before the charge goes to zero. You can also dim the screen and turn off features with Bluetooth, NFC and GPS to save load.

Next, check out the cell phones with the best 2021 batteries, in different price ranges. All options on the list have at least 5,000 mAh of capacity.

Galaxy A02

Starting the list of cell phones with better batteries, we have the Galaxy A02, a basic device launched by Samsung in 2021. The smartphone has a capacity of 5,000 mAh, which promises up to 19 hours of continuous internet use via Wi-Fi and up to 79 hours of playback of audio.

Its technical sheet is simple, but enough to run the main everyday apps. It features 1.5 GH quad-core processor, 2 GB RAM and 32 GB storage. The A02 has a 6.5 inch screen with HD+ resolution and LCD panel. The camera suite includes two 13MP and 2MP rear sensors and a 5MP front sensor.

Galaxy A02 datasheet

  • Screen: 6.5 inches with HD+ resolution
  • Processor: MediaTek MT6739 quad-core up to 1.5GHz
  • RAM memory: 2 GB
  • Storage: 32GB (expandable via microSD up to 512GB)
  • Rear camera: 13MP main sensor + 2MP depth sensor
  • Front camera: 5 MP
  • Battery: 5,000 mAh
  • OS: Android 10
  • Connectivity: Wi-Fi, 3G, 4G, Bluetooth 5.0 and GPS
  • Dimensions and weight: 164 x 75.9 x 9.1 mm and 206 g
  • Colors: black, blue and red

Moto E7 Plus

If you are looking for a cell phone option with better battery life, but want to save money, the Moto E7 Plus is a good choice. The smartphone has a 5,000 mAh component, which is capable of withstanding up to 21 hours of continuous video playback, according to the manufacturer. Also, it has good specs for a basic device, including 4GB of RAM and 64GB of storage.

Another highlight is the dual camera, which has a 48 MP main sensor with quad-pixel technology, which increases light sensitivity, and a 2 MP depth sensor, for portrait mode photos. The screen of this phone with 5,000 mAh is 6.5 inches, with HD+ resolution and 20:9 aspect ratio, which makes the display occupy almost the entire front of the phone.

Moto E7 Plus technical sheet

  • Screen: 6.5 inches with HD+ resolution
  • Processor: Snapdragon 460 octa-core up to 1.8 GHz (GPU Adreno 610)
  • RAM memory: 4 GB
  • Storage: 64GB (expandable via microSD up to 256GB)
  • Rear camera: 48MP main sensor (f/1.7) + 2MP depth sensor (f/2.4)
  • Front camera: 8 MP (f/2.2)
  • Battery: 5,000 mAh
  • OS: Android 10
  • Connectivity: Wi-Fi, 3G, 4G, Bluetooth 5.0 and GPS
  • Dimensions and weight: 165.2 x 75.7 x 9.2 mm and 200 g
  • Colors: navy blue and amber bronze

Galaxy M31

The Galaxy M31 is the right choice for those who do not compromise on performance and cost-effectiveness. The mid-range smartphone offers 6,000 mAh and was launched in July 2020 as the cell phone with the best Samsung battery in the country (currently, it has already been surpassed by another model, but it is still a good option). The manufacturer promises autonomy for up to 21 hours of Internet browsing, and the cell phone also has a fast charge of up to 15W. Understand how fast charging technology works on smartphones .

In addition, the smartphone comes with respectable hardware, with 6 GB of RAM, Exynos 9611 octa-core processor up to 2.3 GHz and 128 GB storage. The rear camera set has four sensors (64 MP + 8 MP + 5 MP + 5 MP) and the front camera has 32 MP. Regarding the screen, the Super AMOLED panel has 6.4 inches and Full HD+ resolution.

Galaxy M31 datasheet

  • Screen: 6.4 inches with Super AMOLED panel and Full HD+ resolution
  • Processor: Exynos 9611 octa-core up to 2.3GHz
  • RAM memory: 6 GB
  • Storage: 128GB (expandable via microSD up to 512GB)
  • Rear camera: 64 MP (f/1.8) + 8 MP (f/2.2) + 5 MP (f/2.2) + 5 MP (f/2.4)
  • Front camera: 32 MP (f/2.0)
  • Battery: 6,000 mAh with fast charging
  • OS: Android 10
  • Connectivity: Wi-Fi, 3G, 4G, Bluetooth 5.0 and GPS
  • Dimensions and weight: 159.2 x 75.1 x 8.9 mm and 191 g
  • Colors: blue, black and pink

Redmi Note 9 Pro

Another cell phone option with a better battery among the intermediates is the Redmi Note 9 Pro, from Xiaomi. The device has 5020 mAh, with autonomy for 16 hours of continuous navigation. Another plus is the ultra-fast 30W charging, which guarantees a few hours of use with a few minutes in the socket. The smartphone still promises high performance, with a Snapdragon 720G processor, 6GB RAM and 64GB or 128GB of storage options.

The artificial intelligence rear camera set features four lenses: 64MP primary, 8MP ultra wide-angle, 5MP macro camera, and 2MP depth sensor. In addition, the Redmi Note 9 Pro draws attention for its 6.67-inch display with Full HD+ resolution, which occupies almost the entire front of the device.

Redmi Note 9 Pro datasheet

  • Screen: 6.67 inches with Full HD+ resolution and Gorilla Glass 5 protection
  • Processor: Snapdragon 720G octa-core up to 2.3GHz (GPU Adreno 118)
  • RAM memory: 6 GB
  • Storage: 64GB or 128GB (expandable via microSD up to 256GB)
  • Rear camera: 64MP main sensor + 8MP ultra wide angle + 5MP macro + 2MP depth sensor
  • Front camera: 16 MP (f/2.4)
  • Battery: 5.020 mAh with fast charging
  • OS: Android 10
  • Connectivity: Wi-Fi, 3G, 4G, Bluetooth 5.0 and GPS
  • Dimensions and weight: 165.75 x 76.68 x 8.8 mm and 209 g
  • Colors: white, gray and green

Galaxy M51

Another Samsung cell whose battery steals the show is the Galaxy M51, launched in November 2020. The model has the highest battery capacity of a smartphone on sale in Pakistan: 7,000 mAh, which can withstand two days of intense use, according to the manufacturer. Plus, it offers fast charging with a 25W power charger.

The Galaxy M51 also draws attention for its elegant look with a premium finish. The 6.7-inch screen takes up almost the entire front of the device. Its technical sheet also has 6 GB RAM memory and 128 GB storage. For photos, the smartphone has four rear cameras, with sensors up to 64 MP, in addition to a 32 MP front camera. To learn more about this 7,000 mAh cell phone, check out our Galaxy M51 review .

Galaxy M51 Datasheet

  • Screen: 6.7 inches with Super AMOLED Plus panel and Full HD+ resolution
  • Processor: Snapdragon 730G octa-core up to 2.2GHz
  • RAM memory: 6 GB
  • Storage: 128GB (expandable via microSD up to 1TB)
  • Rear camera: 64 MP (f/1.8) + 12 MP (f/2.2) + 5 MP (f/2.4) + 5 MP (f/2.4)
  • Front camera: 32 MP (f/2.0)
  • Battery: 7,000 mAh with fast charging
  • OS: Android 10
  • Connectivity: Wi-Fi, 3G, 4G, Bluetooth 5.0 and GPS
  • Dimensions and weight: 163.9 x 76.3 x 9.5 mm and 213 g
  • Colors: black and white

Realme 7

The Realme 7 is another cell phone with 5,000 mAh. The Chinese model is an intermediate with an excellent technical sheet, including Helio G95 processor, an octa-core of up to 2.05 GHz, and 8 GB RAM memory. Its storage is 128 GB, with the possibility of expansion via microSD.

In addition, Realme 7 has a 6.5-inch screen, with Full HD+ resolution and 90 Hz refresh rate. The set is quite versatile, with different types of lenses and 64 MP main sensor. On the front, the device has a 16 MP sensor and promises great selfies. See more details of this cell phone model with better battery in the datasheet review of Realme 7 .

Realme 7 technical sheet

  • Screen: 6.5 inches with Full HD+ resolution and IPS technology
  • Processor: MediaTek Helio G95 octa-core up to 2.05GHz
  • RAM memory: 8 GB
  • Internal storage: 128GB (expandable via microSD up to 256GB)
  • Rear cameras: 64 MP + 8 MP (ultra-wide) + 2 MP (macro) + 2 MP (depth sensor)
  • Front camera: 16 MP
  • Battery: 5,000 mAh with 30W turbo charge
  • Operating System: Android 10
  • Connectivity: Wi-Fi, 3G, 4G, Bluetooth 5.0, NFC and GPS
  • Dimensions and weight: 163.3 x 75.4 x 9.4 mm and 196.5 g
  • Colors: white and blue

Well X3 NFC

The Poco X3 NFC is a device from Xiaomi that has the proposal of being a more affordable gamer phone and, to withstand the game, it has a powerful battery. The smartphone features a 5.160 mAh component and stands out for its fast charging of 33 W. Xiaomi promises 100% charge in just one hour. In other words, battery will not be a problem for the owner of the Poco X3.

In addition, the smartphone brings several features for those who enjoy playing on mobile. One of them is the Snapdragon 732G processor, which is optimized for gaming and works together with 6 GB of RAM memory, and the 120 Hz refresh rate screen, which ensures smoother images. Other highlights include a quad array of rear cameras, with a 64 MP main sensor, and a 20 MP front camera.

The smartphone is available in versions with 64GB or 128GB storage, and you can check out more details in the Poco X3 NFC review .

Poco X3 NFC datasheet

  • Screen: 6.67 inches, with Full HD+ resolution and 120 Hz refresh rate
  • Processor:
  • RAM memory: 6 GB
  • Storage: 64GB or 128GB (expandable via microSD up to 256GB)
  • Rear camera: 64 MP (f/1.89) + 13 MP ultra-wide (F/2.2) + 2 MP macro (f/2.4) + 2 MP depth sensor (f/2.4)
  • Front camera: 20 MP (f/2.2)
  • Battery: 5,160 mAh with 33W fast charging
  • OS: Android 10
  • Connectivity: Wi-Fi, 3G, 4G, Bluetooth 5.1, NFC, GPS and infrared
  • Dimensions and weight: 165.3 x 76.8 x 9.4 mm and 215 g
  • Colors: dark gray and cobalt blue

Moto G60

The Moto G60 is part of the tenth generation of the Moto G family, launched in 2021, and has a 6,000 mAh battery as one of its highlights. According to Motorola, the model can withstand up to 54 hours of moderate use on a single charge. Plus, it has a 20 W fast charge.

Other highlights of this 6,000 mAh smartphone include its triple camera set, with 108 MP main sensor and Ultra Pixel technology, which promises sharper photos. The Moto G60 also features a Snapdragon 732G processor and 6 GB of RAM, which ensure a crash-free performance.

Regarding storage, the Motorola cell phone offers 128 GB, with the possibility of expansion via microSD. Its screen is 6.8 inches, with Full HD+ resolution and 90 Hz refresh rate, which ensures smoother images. See other details in the Moto G60 review .

Moto G60 technical sheet

  • Screen: 6.8 inches, with Max Vision panel, Full HD+ resolution
  • Processor: Snapdragon 732G octa-core up to 2.3GHz
  • RAM memory: 6 GB
  • Storage: 128GB (expandable via microSD up to 1TB)
  • Rear camera: 108 MP with Ultra Pixel technology (f/1.9) + 8 MP macro and ultra-wide hybrid camera (f/2.2) + 2 MP depth sensor (f/2.4)
  • Front camera: 32 MP with Quad Pixel technology (f/2.2)
  • Video recording: Ultra HD 4K at 30fps (rear and front cameras)
  • Battery: 6,000 mAh, with 20 W Turbo charging
  • OS: Android 11
  • Connectivity: Wi-Fi, 4G and 3G, Bluetooth 5.0, NFC and GPS
  • Dimensions and weight: 169.7 x 75.9 x 9.75 mm and 220 g
  • Colors: blue and champagne

Moto Edge Plus

If you are looking for a premium cell phone, with high-end performance and powerful battery, you can bet on Moto Edge Plus. Motorola’s top-of-the-line offers 5,000 mAh with TurboPower and is capable of functioning as a powerbank, transferring load to other devices. Despite the large capacity, it is worth noting that the device also tends to consume a lot of energy, due to the powerful hardware and the 90 Hz screen. The smartphone has a Snapdragon 865 processor, one of the fastest currently, 12 GB RAM memory and storage 256 GB.

One of the highlights of the Moto Edge Plus is the 6.7-inch screen with curved edges, which gives an immersive feeling. In addition, the display has Full HD+ resolution and 90 Hz refresh rate, which should provide smoother, high-quality images. As for cameras, it has a triple set on the back: 64 MP wide lens, 16 MP ultra-wide and 8 MP telephoto lens. The cell phone is also compatible with 5G Internet, although the technology is not yet available in Pakistan. Another cool feature of this 5,000 mAh phone is the fingerprint reader built into the screen.

Moto Edge Plus technical sheet

  • Screen: 6.7 inches with Full HD+ resolution, HDR and 90 Hz refresh rate
  • Processor: Snapdragon 865 octa-core up to 2.84 GHz (Adreno 650 GPU)
  • Memory: RAM 12 GB
  • Storage: 256 GB (not expandable)
  • Rear camera: wide lens with 108MP sensor (f/1.8) + ultra-wide and 16MP macro (f/2.2) + 8MP telephoto (f/2.4)
  • Front camera: 25 MP (f/2.4)
  • Battery: 5,000 mAh with turbo charging
  • OS: Android 10
  • Connectivity: Wi-Fi, 3G, 4G, 5G, Bluetooth 5.1, GPS and NFC
  • Dimensions and weight: 161.1 x 71.3 x 9.6 mm and 203 g
  • Gray color

Galaxy S21 Ultra

Among the top of the line, the Galaxy S21 Ultra stands out as a cell phone option with the best battery. It features a 5,000 mAh component, with 25 W fast charging. Its specs include the powerful Exynos 2100 processor and 12 GB of RAM memory.

The S21 Ultra has a 6.8-inch screen with 2K resolution and 120 Hz refresh rate, ideal for watching movies and gaming. The model is available in versions with 256 GB and 512 GB, without the possibility of expansion.

The camera set also stands out and promises great photos. The smartphone features a 108MP wide lens, a 12MP wide lens and two 10MP telephoto lenses, with super stabilization and 100x zoom. On the front camera, it’s 40 MP for selfies. See more details of this 5,000 mAh cell phone in the Galaxy S21 Ultra datasheet review .

Galaxy S21 Ultra Datasheet

  • Screen: 6.8 inches, with 2K resolution and 120HZ refresh rate
  • Processor: Exynos 2100 octa-core with up to 2.9GHz (Mali-G78 GPU)
  • RAM memory: 12 GB
  • Internal storage: 256GB or 512GB
  • Rear camera: 108 MP (f/1.8) + 12 MP ultra-wide (f/2.2) + 10 MP telephoto (f/2.4) + 10 MP telephoto (f/4.9)
  • Front camera: 40 MP (f/2.2) with auto HDR
  • Battery: 5,000 mAh with 25W turbo charger support
  • Connectivity: Wi-Fi, 3G, 4G, 5G, Bluetooth 5.1, GPS and NFC
  • Dimensions and weight: 165.1 x 75.6 x 8.9 mm and 227 g
  • Colors: black and silver

If you’re still in doubt about which phone to buy, it’s worth taking a look at other articles. For those looking for more affordable models, the tip is also to check our list of intermediates with better battery life .

However, if you are looking for the best technologies and don’t mind spending a little more, get to know the best cell phones of 2021. If you’re looking for savings, we recommend looking at the most cost-effective smartphones.

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