7 Best Mobile Phones with Big Battery Life 2021 with 6000 mAh Battery

We at BLUCellPhones.us have gone through the 7 best mobile Phones with Big Battery Life to buy in 2021.

When buying a new smartphone, there are some parameters that you should look into. They are -

  • Display & Design
  • Performance
  • Camera &
  • Battery Life

Out of the above-mentioned parameters, there is one thing where you should give the highest preference. Yes, the battery life is the most important thing to consider. According to a new survey by SurveyMonkey, roughly 76 percent of users choose to prefer longer battery life when buying a new smartphone. So this particular parameter supplies electricity that keeps your device running.

Is battery life is your requirement for purchasing a new smartphone? Do you want a smartphone with 2-3 days of battery life? If yes then you have arrived at the right place for the right information because we have gone through a list of phones with best battery life.

For a basic phone, 1000 mAh battery was more than enough to give you 2 days of battery life. But a basic phone is a basic phone because it can only make phone calls and send SMS. That's it! But with the smartphone revolution, there come a lot of many additional functionalities. You can do a lot of things, you can check emails, do video calls, play games, automate things with Artificial Intelligence(AI), and a lot more. This where the need for big-size batteries comes in for smartphones.

Phones with Big Battery:

Here is the reason why you need smartphones with big battery capacity -

  • Extensive battery life
  • You will not have to worry about charging your phone frequently(forget a power bank)
  • Helpful when you travel a long distance/away from home
  • It's for gamers delight as they can continue playing games non-stop
  • Don't worry about your phone's battery when you are on a weekend holiday trip

However, mobiles under this category come with few cons too -

  • Phones get a bit Heavier: It's obvious that battery size increases when its capacity increases. This leads to an increase in the overall weight of the device.

So here are the smartphones with monstrous battery capacity (we have included phone weight which is an important measure for such kinds of mobile devices) -

Moto G9 Power ⇒ Buy NoW

The Moto Power series by Lenovo owned Motorola has wisely understood the need for a battery that lasts long. It all started with the Moto G Power phone and it's known for the best battery backup on smartphones. This is why we have seen several launches in the G Power series with G Power, G8 Power, G5 Power, and now Moto G9 Power with a massive 6000 mAh battery that provides non-stop 60 hours of video playback and that's the reason why it's on #1 spot in our list. It's just priced at $239 only and works for AT&T, T-Mobile, Verizon Wireless, and other carriers in the USA if you buy the unlocked version of the device.

"Big Battery Size Phones doesn't always mean it will run for longer duration"

BLU G91 Pro - Budget Gaming Phone with Super Fast Charging

When we say big on battery, it doesn't always mean that only having 6000+ will work for you. You need to have a provision that your phone should charge quickly and what can be great when you have 30W Super fast charging and additionally 10W wireless charging.

The remaining all specs are good for a budget gaming phone with good battery size and super quick charging so that you can be back on playing games just after 15-20 minutes break.

Price: $249.99

Moto G10 Power ⇒ Buy NoW

Continuing on the success of what it pitches, the Moto G10 Power falls in line with G9 Power and the G10 Power comes with a 6000 mAh Lithium Polymer non-removable battery. It provides the same battery life output of 21 hours (approximately).


UMIDIGI, a relatively less popular brand has always answered these kinds of small issues that users are facing. The #2 on our list is the UMIDIGI Power 3 smartphone. UMI especially came out with a series dedicated to massive battery-size phones, the UMIDIGI Power series.

UMIDIGI Power 3 phone houses a powerful 6150 mAh battery with 48 megapixel Quad cameras at the back. It's not just the best phone with big battery life, a good camera but also an amazing all tech phone.

This latest Umidigi phone has got a 6.5-inch display, 4 GB RAM with 64 GB storage, and 18W fast charging capabilities, runs on Android 10, and the company should upgrade it to Android 11 version. Priced at $199.99, this mobile enters into our list of smartphones under 200 USD at the #2 spot.

Samsung Phones with Big Battery Life

Samsung M series is competing for the title of "Android phone with high battery capacity". Starting with M20, M30 with 5000 mAh battery, the M30s broke the records with 6000 mAh battery. That's plenty for a 6.4-inch handset.

Galaxy M30: Big on a battery with 5000 mAh capacity

M30s haven't reached shores in the United States but Galaxy M30 SM-M305F/DS is surely available for a price of $229.99 on Amazon [Buy NoW Link]. The good thing about this Samsung phone with long battery life (5000 mAh with 3x fast charging capabilities) is ⇒ it's available in different RAM and storage variants as -

  • 3 GB RAM with 32 GB Storage
  • 4 GB RAM with 64 GB storage
  • 6 GB RAM with 128 GB storage

That's awesome! Choose as per your needs!

Energizer 6000 mAh Phone

Energizer is a well-known brand when it comes to batteries. Their ULTIMATE U710S mobile phone is a perfect answer for mobiles with big battery capacity.

This Energize phone has got a 7.1" Full HD+ display, 13 MP+ VGA main, 5 MP front camera, Mediatek Helio P23 Octa-core SoC, 3 GB RAM, 32 GB ROM, 3 years warranty and houses ultra long-lasting 6000 mAh battery which gives you more than a day usage. You can buy it on the company site.


  • Ready for US market


  • May not be suitable for gamers as 3 GB RAM is less and high graphics games like PUBG require at least 4 GB RAM to run smoothly.

Gaming Phone with 6000 mAh Battery

Large battery phones are surely a plus for extensive gamers. They want uninterrupted fun and what could be a better solution other than the MOQI I7S Game Phone. Yes, the name is hard to remember!

The MOQI I7S has got a 6-inch touchscreen game console and runs on Snapdragon 710 SoC with 6 GB RAM and 64 GB Storage. With the fast-charging & Android 8.1 Oreo version, it's an ideal solution for gamers.

The MOQI 6000 mAh replaceable battery games you all day. Furthermore, it comes with liquid cool heat pipe conduction technology which keeps your required cool in any environment. What more do you want?

Price: $389.99

However high battery

capacity doesn't always mean that it provides the highest duration of usage i.e., milliampere-hours doesn't determine how long a phone battery will actually last. It should be efficient enough and display size, resolution plays a big role in determining phones with long-lasting batteries.

Longest Battery Life Smartphones:

Provided here is the list of mobiles with longest battery life -

Phone Model Name Use Duration Battery Capacity
Motorola Moto G9 Power 21h 8 min 6000 mAh
Motorola Moto G10 Power 20h 55 min 6000 mAh
Motorola Moto G7 Power 20h 8min 5000 mAh
Xiaomi Mi Max 2 17h 22 min 5300 mAh
LG X Power 15h 18 min 4100 mAh
Motorola Moto E5 Plus 15h 8 min 5000 mAh
BLU Studio Energy 14h 53 min 5000 mAh
Motorola Moto G8 Plus 14h 29 min 4000 mAh
Huawei Mate 20 14h 26 min 4000 mAh
Asus ROG Phone II 14h 11 min 6000 mAh
Motorola Moto Z Play Droid 13h 43 min 3510 mAh
Xiaomi Redmi 3S 13h 39 min 4100 mAh
Apple iPhone 11 13h 29 min 3110 mAh

Source: Phone Arena(measured using a custom web script that mimics real-time use at a screen brightness rate of 200 nits (luminance).

Chinese Phones with Big Battery Size

Chinese OEMs have gone insane by launching 10,000 mAh battery phones. One among them is the Doogee S88 Pro.

Doogee S88 Pro

Sporting a massive 10,000 mAh, the S88 Pro by Doogee is a big battery-size Chinese rugged phone. Sporting a 6.3" Full HD display, Mediatek Helio P70 processor with 6 GB RAM and 128 GB storage.

It's priced at $199.99 and available for Doogee mall online.


Its clearly understood that although there are mobiles with a 10,000 mAh battery, the actual performance varies based on various factors. So, to help you better we have listed both types - smartphones with longer battery life and cell phones with biggest battery. Both makes a lot of difference.

As a conclusion I would like to say that Motorola has worked hard to provide Android phones with greatly optimized battery while other Chinese OEMs have concentrated on providing just the headlines.


Also Read:

Mobiles under 50 USD

Unlocked Mobiles under 200 USD

So those were smart phones with Big Battery capacity and battery life. Do let us know which one you liked the most.

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7 Phones with Big Battery Life 2021 | Monster Size Battery Phones 6000 mAh
Phones with Big Battery 2021: You have arrived at the right place for the right info because we have gone through a list of phones with best battery life 6000 mAh.
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This post was last modified on August 26, 2021 9:46 AM