Phones with the biggest batteries

Top 10SamsungBattery life5GBiggest screen120HzRAMBudgetSmall
Smartphones (1 - 5)
Oukitel WP19Oukitel WP15 5GUlefone Power Armor 13Blackview BV9100Doogee S89 ProOukitel K13 ProOukitel K12Gionee M30Doogee S88 ProUlefone Power Armor 14 ProDoogee S88 PlusUlefone Power Armor 14Doogee V10Doogee S86 ProDoogee S97 ProBlackview BV8800Oukitel WP9Oukitel WP10Ulefone Note 12PTecno Pova Neo 2 (128GB / 4GB RAM)
Image
Oukitel WP19
Oukitel WP15 5G
Ulefone Power Armor 13
Blackview BV9100
Doogee S89 Pro
Oukitel K13 Pro
Oukitel K12
Gionee M30
Doogee S88 Pro
Ulefone Power Armor 14 Pro
Doogee S88 Plus
Ulefone Power Armor 14
Doogee V10
Doogee S86 Pro
Doogee S97 Pro
Blackview BV8800
Oukitel WP9
Oukitel WP10
Ulefone Note 12P
Tecno Pova Neo 2 (128GB / 4GB RAM)
Best price
Best price
Battery powerBattery power, or battery capacity, represents the amount of electrical energy that a battery can store. More battery power can be an indication of longer battery life.
Battery powerBattery power, or battery capacity, represents the amount of electrical energy that a battery can store. More battery power can be an indication of longer battery life.21000mAh
15600mAh
13200mAh
13000mAh
12000mAh
11000mAh
10000mAh
10000mAh
10000mAh
10000mAh
10000mAh
10000mAh
8500mAh
8500mAh
8500mAh
8380mAh
8000mAh
8000mAh
7700mAh
7000mAh
Screen sizeThe bigger the screen size is, the better the user experience.
Screen sizeThe bigger the screen size is, the better the user experience.6.78"
6.52"
6.81"
6.3"
6.3"
6.41"
6.3"
6"
6.3"
6.52"
6.3"
6.52"
6.39"
6.1"
6.39"
6.58"
5.86"
6.67"
6.82"
6.82"
ResolutionResolution is an essential indicator of a screen's image quality, representing the maximum amount of pixels that can be shown on the screen. The resolution is given as a compound value, comprised of horizontal and vertical pixels.
ResolutionResolution is an essential indicator of a screen's image quality, representing the maximum amount of pixels that can be shown on the screen. The resolution is given as a compound value, comprised of horizontal and vertical pixels.1080 x 2460px
720 x 1600px
1080 x 2400px
1080 x 2340px
1080 x 2340px
720 x 1560px
1080 x 2340px
720 x 1440px
1080 x 2160px
720 x 1600px
1080 x 2340px
720 x 1600px
720 x 1560px
720 x 1520px
720 x 1560px
1080 x 2408px
720 x 1520px
1080 x 2340px
720 x 1640px
720 x 1640px
Pixel densityPixel density is a measurement of a screen's resolution, expressed as the number of pixels per inch (PPI) on the screen. A higher pixel density translates into more clarity and sharpness for the images rendered on the screen, thus improving the quality of the viewing experience.
Pixel densityPixel density is a measurement of a screen's resolution, expressed as the number of pixels per inch (PPI) on the screen. A higher pixel density translates into more clarity and sharpness for the images rendered on the screen, thus improving the quality of the viewing experience.410ppi
269ppi
386ppi
409ppi
409ppi
268ppi
409ppi
268ppi
383ppi
269ppi
409ppi
269ppi
269ppi
276ppi
268.88ppi
400ppi
287ppi
386ppi
263ppi
263ppi
CPU speedThe CPU speed indicates how many processing cycles per second can be executed by a CPU, considering all of its cores (processing units). It is calculated by adding the clock rates of each core or, in the case of multi-core processors employing different microarchitectures, of each group of cores.
CPU speedThe CPU speed indicates how many processing cycles per second can be executed by a CPU, considering all of its cores (processing units). It is calculated by adding the clock rates of each core or, in the case of multi-core processors employing different microarchitectures, of each group of cores.2 x 2.05GHz & 6 x 2GHz
2 x 2.2GHz & 6 x 2GHz
2 x 2.05GHz & 6 x 2GHz
4 x 2.3GHz & 4 x 1.8GHz
6 x 2GHz & 2 x 2.2GHz
4 x 2.3GHz & 4 x 1.65GHz
4 x 2.3GHz & 4 x 1.8GHz
4 x 2GHz & 4 x 2GHz
4 x 2.1GHz & 4 x 2GHz
2 x 2GHz & 6 x 1.8GHz
4 x 2.1GHz & 4 x 2GHz
8 x 2.3GHz
2 x 2.2GHz & 6 x 2GHz
4 x 2GHz & 4 x 2GHz
2 x 2.05GHz & 6 x 2GHz
2 x 2.05GHz & 6 x 2GHz
4 x 2GHz & 4 x 2GHz
4 x 2GHz & 4 x 2GHz
4 x 1.6GHz & 4 x 1.2GHz
2 x 2GHz & 6 x 1.8GHz
RAMRandom-access memory (RAM) is a form of volatile memory used to store working data and machine code currently in use. It is a quick-access, temporary virtual storage that can be read and changed in any order, thus enabling fast data processing.
RAMRandom-access memory (RAM) is a form of volatile memory used to store working data and machine code currently in use. It is a quick-access, temporary virtual storage that can be read and changed in any order, thus enabling fast data processing.8GB
8GB
8GB
4GB
8GB
4GB
4GB
8GB
6GB
6GB
8GB
4GB
8GB
6GB
8GB
8GB
6GB
8GB
4GB
4GB
Megapixels (main camera)The number of megapixels determines the resolution of the images captured with the main camera. A higher megapixel count means that the camera is capable of capturing more details. However, the megapixel count is not the only important element determining the quality of an image.
Megapixels (main camera)The number of megapixels determines the resolution of the images captured with the main camera. A higher megapixel count means that the camera is capable of capturing more details. However, the megapixel count is not the only important element determining the quality of an image.64MP & 20MP & 2MP
48MP & 13MP & 2MP
48MP & 8MP & 2MP & 2MP
16MP & 0.3MP
64MP & 20MP & 8MP
16MP & 2MP
N.A.16MP
21MP & 8MP & 8MP
20MP & 2MP & 2MP
48MP & 8MP & 8MP
20MP & 2MP & 2MP
48MP & 8MP
16MP & 8MP & 2MP
48MP & 8MP & 2MP & 2MP
50MP & 20MP & 8MP & 2MP
16MP & 13MP & 0.8MP
48MP & 13MP & 2MP & 2MP
13MP & 2MP & 2MP & 2MP
16MP
Megapixels (front camera)The number of megapixels determines the resolution of the images captured with the front camera. A higher megapixel count means that the front camera is capable of capturing more details, an essential factor for taking high-resolution selfies.
Megapixels (front camera)The number of megapixels determines the resolution of the images captured with the front camera. A higher megapixel count means that the front camera is capable of capturing more details, an essential factor for taking high-resolution selfies.16MP
8MP
16MP
16MP
16MP
8MP
16MP & 2MP
8MP
16MP
16MP
16MP
16MP
16MP
8MP
16MP
16MP
8MP
16MP
8MP
8MP
Wireless chargingIt supports a wireless charging standard such as Qi. To charge the device, you simply put it down on a compatible charging pad.
Wireless chargingIt supports a wireless charging standard such as Qi. To charge the device, you simply put it down on a compatible charging pad.
Dust- and water-resistanceThe device is dustproof and water-resistant. Water-resistant devices can resist the penetration of water, such as powerful water jets, but not being submerged into water.
Dust- and water-resistanceThe device is dustproof and water-resistant. Water-resistant devices can resist the penetration of water, such as powerful water jets, but not being submerged into water.
External memory slotThe device has a standard memory slot (such as an SD or micro SD card slot) that enables you to extend the built-in internal storage with affordable memory modules, or easily retrieve data, such as photographs, from the memory card.
External memory slotThe device has a standard memory slot (such as an SD or micro SD card slot) that enables you to extend the built-in internal storage with affordable memory modules, or easily retrieve data, such as photographs, from the memory card.

Is bigger actually better? Not always, and definitely not when it comes to the physical size of a phone’s battery. Sure, it’s true that, when comparing phones purely based on battery power, a phone with a larger battery (and therefore more power), will last longer than phones with a smaller battery. However, you then have to factor in other features, such as different processors and other internal hardware, which also affect the performance of a phone’s battery life.

Defining battery power

In theory, more mAh (milliampere-hours) does equal more power, but when put to the test, not all of the biggest batteries performed equally. Let’s start off with defining battery power, though. You know it’s measured in mAh, which indicates how much electric power can be used over time. A battery with more mAh translates into longer battery life. 

The average phone has a battery power of around 2,500mAh. When comparing today’s top phones, you’ll likely see the battery power listed as one of the first features. And, sure, it helps to see that a phone has a large battery, but you’ll want to compare its overall performance with other benchmarks first before making a purchase.

Battery power: Is more mAh really more?

To measure the correlation between battery power and mAh, Android Authority created their own speed test, the Speed Test G. While the test measures the performance of phones’ CPU speed, GPU speed, and overall performance, it also measures battery life performance. The results? Quite shocking (or not so shocking if you’ve been following along with what we’re saying). 

In the test, they recorded how long it took to drain the battery of each phone completely. The Google Pixel 3a XL lasted by far the longest at six hours, but only has a battery power of 3,700mAh. The much larger Asus ROG Phone II, however, which boasts a 6,000mAh battery, only lasted for just over four and a half hours.

So, what’s affecting battery power?

Really, it comes down to what you’re using the phone for and which processor is powering it. Low or even mid-range processors tend to consume far less power. So, if you test the same battery in two phones with different processors, the low-range processor will ultimately ensure that the battery lasts longer; it’s not constantly pulling tons of juice out to power tasks at a faster rate.

While this isn’t always the case, it certainly affects the battery life of phones with bigger batteries. Keep this in mind when comparing top smartphones if your biggest concern is battery life.

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