Best 4000 mAh Battery Mobile Phones Under 21000

4000 mAh Battery Smartphones Under 21000 seems to be the upgrade of the year and we believe most of you have already bought one of the latest 4000 mAh Battery Mobile phones Under 21000. However, if you are still looking for a 4000 mAh Battery mobile and cannot decide which one to buy, here are your options. We list down the best Phones Under 21000 with 4000 mAh Battery in India, which offer the right combination of connectivity and performance. These best 4000 mAh Battery mobile phones Under 21000 offer the right balance between performance and build quality. Although the prices of the products mentioned in the list given below have been updated as of 10th May 2021, the list itself may have changed since it was last published due to the launch of new products in the market since then.
1.

REALME X2 128GB

RealMe X2 128GB launched on 17th December 2019, comes with a 6.4 inch display & a resolution of 1080 x 2340 pixels. The Smartphone is powered by 2.2 GHz Octa core Qualcomm SDM730 Snapdragon 730G (8 nm) processor and runs on 8 GB of RAM.

Specifications
Screen Size:6.4" (1080 x 2340)
Camera:64 + 8 + 2 + 2 | 32 MP
RAM:8 GB
Battery:4000 mAh
Operating system:Android
Soc:Qualcomm SDM730 Snapdragon 730G (8 nm)
Processor:Octa
Out of Stock ₹ 19999
Available ₹ 22890
2.

REDMI K20

Redmi K20 launched on 17th July 2019, comes with a 6.39 inch display & a resolution of 1080 X 2340 pixels. The Smartphone is powered by 2.2 GHz Octa core Qualcomm SDM730 Snapdragon 730 processor and runs on 6GB of RAM.

Pros

  • Impressive gaming performance
  • Netflix HDR certified display
  • The best looking mid-range smartphone

Cons

  • Average low light camera performance
Specifications
Screen Size:6.39" (1080 X 2340)
Camera:48 + 16 + 8 | 20 MP
RAM:6GB
Battery:4000 mAh
Operating system:Android
Soc:Qualcomm SDM730 Snapdragon 730
Processor:Octa
Available ₹ 20490
3.

REDMI K20 64GB

Redmi K20 64GB launched on 17th July 2019, comes with a 6.39 inch display & a resolution of 1080 X 2340 pixels. The Smartphone is powered by 2.2 GHz Octa core Qualcomm SDM730 Snapdragon 730 processor and runs on 6GB of RAM.

Specifications
Screen Size:6.39" (1080 X 2340)
Camera:48 + 16 + 8 | 20 MP
RAM:6GB
Battery:4000 mAh
Operating system:Android
Soc:Qualcomm SDM730 Snapdragon 730
Processor:Octa
Available ₹ 19784
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4.

SAMSUNG GALAXY A30

Samsung Galaxy A30 launched on 28th February 2019, comes with a 6.4 inch display & a resolution of 1080 x 2340 pixels. The Smartphone is powered by 2.2 GHz Octa core Exynos 7885 Octa (14 nm) processor and runs on 3 GB of RAM.

Pros

  • Bright and colourful display
  • Good battery life

Cons

  • Stutters in animation
  • Tacky volume keys
Specifications
Screen Size:6.4" (1080 x 2340)
Camera:16 + 5 | 16 MP
RAM:3 GB
Battery:4000 mAh
Operating system:Android
Soc:Exynos 7885 Octa (14 nm)
Processor:Octa
Available ₹ 18000
5.

HUAWEI HONOR 9X 128GB

Huawei Honor 9X 128GB launched on 14th January 2020, comes with a 6.59 inch display & a resolution of 1080 X 2340 pixels. The Smartphone is powered by 2.27 GHz octa core HiSilicon Kirin 810 (7 nm) processor and runs on 4 GB of RAM.

Specifications
Screen Size:6.59" (1080 X 2340)
Camera:48 + 8 + 2 | 16 MP
RAM:4 GB
Battery:4000 mAh
Operating system:Android
Soc:HiSilicon Kirin 810 (7 nm)
Processor:octa
Out of Stock ₹ 16999
Available ₹ 18990
6.

SAMSUNG GALAXY A50S 128GB

Samsung Galaxy A50s 128GB launched on 11th September 2019, comes with a 6.4 inch display & a resolution of 1080 X 2340 pixels. The Smartphone is powered by 2.3 GHz octa core Exynos 9610 (10nm) processor and runs on 6 GB of RAM.

Specifications
Screen Size:6.4" (1080 X 2340)
Camera:48 + 8 + 5 | 32 MP
RAM:6 GB
Battery:4000 mAh
Operating system:Android
Soc:Exynos 9610 (10nm)
Processor:octa
Out of Stock ₹ 14994
Available ₹ 21099
Out of Stock ₹ 26900
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7.

OPPO F17 PRO

Oppo F17 Pro launched on 2nd September 2020, comes with a 6.43 inch display & a resolution of 1080 x 2400 pixels. The Smartphone is powered by 2x2.2 GHz,6x2.0 GHz Octa-core core Mediatek Helio P95 processor and runs on 8 GB of RAM.

Specifications
Screen Size:6.43" (1080 x 2400)
Camera:48 + 8 + 2 + 2 | 16 + 2 MP
RAM:8 GB
Battery:4000 mAh
Operating system:Android
Soc:Mediatek Helio P95
Processor:Octa-core
Available ₹ 19900
Available ₹ 20999
8.

SAMSUNG GALAXY A51

Samsung Galaxy A51 launched on 19th December 2019, comes with a 6.50 inch display & a resolution of 1080x2400 pixels. The Smartphone is powered by 2x2.2 GHz,6x1.8 GHz Octa-core core Exynos 980 processor and runs on 4 GB of RAM.

Specifications
Screen Size:6.50" (1080x2400)
Camera:48 + 12 + 5 + 5 | 32 MP
RAM:4 GB
Battery:4000 mAh
Operating system:Android
Soc:Exynos 980
Processor:Octa-core
Available ₹ 20998
Available ₹ 22499
9.

TECNO CAMON 12 AIR

Tecno Camon 12 Air launched on 14th October 2019, comes with a 6.55 inch display & a resolution of 720 x 1600 pixels. The Smartphone is powered by 2GHz octa-core core Helio P22 processor and runs on 4 GB of RAM.

Specifications
Screen Size:6.55" (720 x 1600)
Camera:16 + 2 + 5 | 8 MP
RAM:4 GB
Battery:4000 mAh
Operating system:Android
Soc:Helio P22
Processor:octa-core
Available ₹ 19999
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10.

OPPO F15

Oppo F15 launched on 16th January 2020, comes with a 6.40 inch display & a resolution of 1080 x 2400 pixels. The Smartphone Octa-core core and runs on 8 GB of RAM.

Specifications
Screen Size:6.40" (1080 x 2400)
Camera:48 + 8 + 2 + 2 | 16 MP
RAM:8 GB
Battery:4000 mAh
Operating system:Android
Soc:NA
Processor:Octa-core
Available ₹ 18980
Available ₹ 18990

List of Best 4000 mAh Battery Mobile Phones Under 21000

Best 4000 mAh Battery Mobile Phones Under 21000 Seller Price
RealMe X2 128GB Flipkart ₹19999
Redmi K20 Amazon ₹20490
Redmi K20 64GB Amazon ₹19784
Samsung Galaxy A30 Amazon ₹18000
Huawei Honor 9X 128GB Flipkart ₹16999
Samsung Galaxy A50s 128GB Tatacliq ₹14994
Oppo F17 Pro Tatacliq ₹19900
Samsung Galaxy A51 Tatacliq ₹20998
Tecno Camon 12 Air Amazon ₹19999
Oppo F15 Tatacliq ₹18980
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