The Best 4000mAh Battery Phones Under 20000

For a phone that lasts all day even with heavy use, check out the best 4000mAh phones under 20000. By spending just a little over ten thousand, you get a variety of feature upgradations (like a better RAM or a nicer camera) in addition to a power-packed battery that keeps dead-phone nightmares at bay – we think the setback is worth it. Ahead, the best 4000mAh phones under 20000, so you can be reachable 24x7. (For more affordable options, check out the best 4000mAh phones under 10000)

The Best 4000mAh Battery Phones Under 20000

1. Xiaomi Redmi Note 6 Pro

The Xiaomi Redmi Note 6 Pro is one of the best 4000mAh phones under 20000 with a 4000 mAh Li-polymer battery that gives you up to 2 days of battery life. It has a 6.26 FHD+ Display, a 4GB RAM, 64GB storage expandable to up to 256GB, and a dual SIM with dual standby. This phone is Xiaomi's first that boasts an AI-powered quad camera – 12-megapixel (f/1.9, 1.4-micron) + 5-megapixel rear and 20-megapixel (f/2.0, 1.8-micron) + 2-megapixel front. Comes with a Qualcomm Snapdragon 636 Processor. Get it in Black.

2. Xiaomi Redmi 6 Pro

The Xiaomi Redmi 6 Pro is one of the best 4000mAh phones under 20000 with a 4000 mAh Li-polymer battery. It has a 5.84 inch HD+ touchscreen display, a 4GB RAM, 32 GB/64GB storage expandable to up to 256GB and a dual SIM with dual standby. Shoot with a 12+5 MP Dual rear camera and a 5 MP front camera. The phone runs on a 2.0GHz Qualcomm Snapdragon 625 octa core processor. Get it in Black, Blue, Red and Gold.

3. Oppo A7

The Oppo A7 CPH1901 is one of the best 4000mAh phones under 20000 with a 4230mAH battery. Shoot with a 13MP+2MP dual front camera and a 16MP rear camera (with editing options like AI beauty, HDR, background blur, stickers). The phone comes with a 4GB RAM, 64GB storage expandable up to 256GB, a dual sim with dual standby and a 6.2 inch touch screen, and runs on Snapdragon 450

4. Honor 8C

The Honor 8Cis one of the best 4000mAh phones under 20000 with a 4000mAH lithium-polymer battery. Shoot with a 13MP+2MP dual rear primary camera and 8MP front facing camera. The phone comes with a 4GB RAM, 32GB storage expandable up to 256GB, a dual sim with dual standby and a 6.26 inch touch screen, and runs on a 1.8GHz Snapdragon 632 octa core processor.

5. Xiaomi Mi Max 2

The Xiaomi Mi Max 2 is one of the best 4000mAh phones under 20000 with a 5300mAH lithium-polymer that has a standby time of 528 hours. It has a 6.44 capacitive touchscreen display, a 4GB RAM, 64GB internal memory expandable up to 128GB and a dual SIM (micro+nano) with dual-standby (4G+4G). Shoot with a 12MP primary camera (with Sony IMX386 sensor, 1.25µm pixel size, 6 element lens, f/2.2 aperture, PDAF, HDR, Panaroma, 1080p full HD video recording) and take selfies with a 5MP front facing camera. The phone runs on a Snapdragon 625 octa core processor. Get it in Black.

6. Oppo F3 Plus

The Oppo F3 Plus is one of the best 4000mAh phones under 20000 with a 5300mAH lithium-ion battery. It has a 6 inch LCD touchscreen display, a 4GB RAM, 64GB internal memory expandable up to 256GB and a dual SIM (micro+nano) with dual-standby (4G+4G). Shoot with a 16MP primary camera (with f/1.7, 1/2.8", phase detection autofocus, OIS, dual-LED dual-tone flash, check quality, face detection, HDR, panorama) and take selfies with a 16MP+8MP front facing dual camera. The phone runs on a Snapdragon 653 octa core processor.

7. Asus Zenfone Max Pro M1

The Asus Zenfone Max Pro M1 is one of the best 4000mAh phones under 20000 with a 5000mAH lithium-polymer battery. It has a 5.99 inch touchscreen display, a 3GB RAM, 32GB internal memory expandable up to 1TB and dual SIM with dual-standby (4G+3G). Shoot with a 13MP + 5MP dual primary camera and 8MP front facing camera. The phone runs on a 1.8GHz Qualcomm Snapdragon 636 octa core processor.