Best Battery Life Phones Under 20K: if you are also searching for best battery life phone under 20K budget, then you should read this article till end, because here I have provided a list of top 3 best battery life phones under 20K budget in August 2025. These phones do not only come with a monster battery, but also have some amazing features like a bigger and brighter display, a powerful gaming chipset, and a good quality camera setup that delivers amazing pictures. Moreover, you can get better discount options on Flipkart in the Flipkart live sale on these best battery life smartphones.

Read More: Best Amoled Display Phones Under 20K In 2025

1. Moto G86 Power 5G

Moto G86 Power 5G is the first phone of our list that comes with a massive 6720mAh battery pack that easily lasts for 1–2 days on normal usage, and you also get 33W TurboPower fast charger with the phone to charge this phone quickly. Moreover, this phone comes with a vibrant 6.67 inch 1.5K P-OLED display with a very smooth 120 Hz refresh rate and 4500 nits peak brightness.

In the rear section, you get a 50MP + 8MP dual camera setup, and in front you get 32MP selfie camera. The phone is equipped with MediaTek Dimensity 7400 SoC processor that easily handles very high-end tasks and gives you smooth experience even after multitasking. You can purchase this phone’s 8GB RAM and 128GB storage variant at price point of around 17,999 rupees.

2. iQOO Z10 5G

iQOO Z10 5G is the second phone of our list that comes with a monster 7300mAh long lasting battery that easily lasts for 2–3 days on normal usage, and you also get 90W flash charger technology to quickly charge this phone. The phone gets 6.77 inch flat curved AMOLED display with 120 Hz refresh rate, and you get 5000 nits peak brightness from this phone.

So even if you are in sunlight, you can easily see the contents of your phone. In rear section, you get 50MP main camera with a Sony IMX 882 sensor and OIS, along with a 32MP selfie camera. This phone is equipped with Qualcomm Snapdragon 7s Gen 3 processor that is a gaming processor. So specially for those who want to do gaming in this phone, you can go for this one. You have to spend around 21,999 to purchase this in India.

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3. Oppo K13 5G

Oppo K13 5G is the third and last phone of our list that comes with 7000mAh massive battery pack, and you get 80W SuperVOOC fast charging support to charge this phone quickly. In rear section, you get 50MP + 2MP dual camera setup, whereas in front you get 16MP selfie camera.

The phone comes with 6.67 inch AMOLED flat display with 120 Hz very smooth refresh rate, and you get very vibrant visuals from this phone. This phone is equipped with Qualcomm Snapdragon 6 Gen 1 processor that ensures smooth and lag-free experience in this phone. You have to spend around 17,797 to purchase this phone in India.