Mobile Phones with Best Battery Backup

The Galaxy M51 is the world's smartphone with a 7,000mAh battery. And that simply means you will have a hard time draining the battery of this smartphone in one, two, even three days if used moderately. The M51 also relies on the Snapdragon 730G SoC and rocks a 64MP quad camera stack, making it quite a wholesome offering.

The Asus ROG Phone III has gaming DNA through and through, whether its in the choice of components or the phone's design. Asus built this phone to take on the most demanding of tasks, and as such, it runs a Qualcomm Snapdragon 865+ SoC at its heart, paired with 8GB of LPDDR5 RAM. It has a 144Hz OLED display which makes not just gaming, but also using this phone in general a very fluid experience. The phone comes with Air Triggers to help you score better in your game, and a USB Type-C port on the side so that a charging cable never gets in the way of your gaming session. The battery on this phone is a massive 6000mAh unit, again designed to let you game for hours upon hours.

The Samsung Galaxy M31s features a massive 6000mAh battery, which should be a suitable capacity for kinds of heavy users. Typically, the problem with phones that support such large batteries has been that they charged slowly, so Samsung has mitigated the issue by also baking in fast charging capabilities into the Galaxy M31. The phone also sports and FHD+ AMOLED display for maximum power efficiency. In our video loop test, the phone lasted well over 16 hours of continuous playback. If you're on a budget and looking for a smartphone with long and realiable battery life, the Samsung Galaxy M31s could make for a great choice.

The POCO X3 ups the ante with a 6,000mAh battery that also tops up pretty fast thanks to 33W fast charging support. The smartphone is also quite powerful with the Snapdragon 732G under the hood along with a 64MP quad camera stack.

The Realme 6 Pro features a large 5020mAh battery and in-built optimisations put in place easily extends the screen on time to well beyond a day. The phone is also quite powerful with a Snapdragon 720G SoC that's good for gaming. There's a 64MP quad camera setup to boot as well.

The Realme X3 SuperZoom has the internals of a flagship phone from last year, and a camera that takes on the best of 2020. But more importantly, the 4200mAh battery on the phone easily lasts a day. And if it doesn't, the 30W fast charger tops it up fast enough.

The fact that the Poco X2 comes packing a 4500mAh battery should tell you that battery is a big priority for this smartphone. But Poco hasn't stopped at just the battery. The phone also comes with an impressive 90Hz display that is an absolute treat to use. The phone also comes with quad cameras on the back, with the primary camera using a 64 Megapixel sensor.

Realme has been producing some very impressive phones over the last few months, with each device having a key area of focus. The Realme X2 Pro comes with a number of features that make it a strong contender amongst its peers. It's powered by the Qualcomm Snapdragon 855+ processor along with 6GB/8GB/12GB of RAM and a 90Hz display. The phone packs a quad camera setup for photography enthusiasts, with the primary camera having a 64 megapixel sensor. There is also a 4000mAh battery to get you through atleast a day and a half of use, which Realme has augmented with 50W fast charging.

IQOO is the newest entrant in the Indian smartphone game and it has entered with quite a band. The IQOO 3 is the company's first phone to be available in India and it comes packed to the gills with impressive features. Powering the phone is Qualcomm's latest flagship SoC, the Snapdragon 865. The phone runs off of a 4400mAh battery and supports 55W fast charging, capable of giving the phone 50 percent battery capabity in 30 minutes. Other features of the phone include and FHD+ display with 180Hz touch sensing rate, which allows every touch to be registered swiftly and accurately.