In today busy working life everyone is tired of carrying Power bank and tired of plugging your phone to charge. Then in this article we will explore the best big battery phones under 20,000 in India with 7000mAh capacity with fast charging support under the best budget segments. Not only the battery but also it offers great performance and camera in short the phones list will standout in all the terms.
1.Vivo T4 5G – Best Phone Under 25,000 in India
Vivo has launched battery beast phone under the price segment of 25,000. Vivo T4 5G was launched In India on 22nd April 2025 with standout features, such as 6.78 inch curved display with 120Hz refresh rate and peak brightness of 1300 nits.
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The device is packed with 7300 mAh big battery which last for 2 days for a moderate usage. This comes with the 90W fast charging support which is able to charge 0%-100% in just 60 minutes. Vivo T4 5G is the biggest battery phone till now. And if you are interested to purchase IQOO phone then IQOO Z10 5G phone majorly offers the similar features.
| Activity | Estimated Duration |
|---|---|
| YouTube Streaming | Up to 35 hours |
| Gaming | Up to 15 hours |
| WhatsApp Messaging | Up to 28 hours |
| Instagram Scrolling | Up to 17 hours |
| 1080p Video Recording | Up to 8.5 hours |
| 4K Video Recording | Up to 6 hours 54 minutes |
| Voice Calling | Up to 52 hours |
Phone also equally offers the powerful processor to handle multi-tasking with heavily gaming without any issue. It offers Snapdragon 7s Gen 3 with AnTuTu score ~827,205 which is impressive in this price segment.
Read This To -- Get the full details on Vivo T4 5G to help you decide confidently.
Phone is packed with dual camera setup such as 50MP + 2MP rear camera setup to capture clear and perfect shot. The selfie camera comes with the 32MP front with 4K video support.
As rear camera setup allows 4K @ 30fps of video recording and gives the punchy and sharp details in photo.
Vivo T4 5G is counted under the Best phones under 25,000 Budget In India. The price of phone is dependent on the storage variant you choose . It starts from ₹21,999 for base variant 8GB + 128GB.
🔋 Vivo T4 – The Battery King of 2025
- Battery: 7300mAh with 90W fast charging
- Display: 6.78″ Quad AMOLED, 120Hz refresh rate, 1300 nits brightness
- Processor: Snapdragon 7s Gen 3 (AnTuTu ~827,205)
- Camera: 50MP + 2MP rear | 32MP front with 4K video support
- Software: Android 15 with Funtouch OS
- Extras: HDR support, IR blaster, AI-enhanced features
- Storage & Price:
- 8GB + 128GB: ₹21,999 (With offers you can grab it under 20,000)
- 8GB + 256GB: ₹23,999
- 12GB + 256GB: ₹25,999
2.OPPO K13 5G – Best Phone Under 20,000 in India
2. Let’s talk about OPPO K13 5G this phone was launched on on April 21, 2025 in India with the powerpack processor Snapdragon 6 Gen 4 with Dual camera setup of 50MP + 2MP and 6.7 inch FHD AMOLED display. The main highlight of phone is its beast size battery which comes with 7000mAh big battery capacity with 80W SuperVOOC fast charging that too in the box. So let’s explore in deep about this phone and why should you prefer this.
OPPO K13 5G offers massive battery of 7000mAh capacity which can last for 2 days for one full charge for a normal usage. As it pack with 80W SuperVOOC fast charging support. It takes around 55-60 mins to charge 0% to 100%. The battery can last up to 10 hours during gaming sessions and up to 15 hours while streaming short videos.
Read This To -- Get the full details on OPPO K13 5G to help you decide confidently.
| Feature | Details |
|---|---|
| Battery Capacity | 7000mAh |
| Battery Life (Normal Usage) | Up to 2 days on a full charge |
| Charging Technology | 80W SuperVOOC Fast Charging |
| Charging Time (0% to 100%) | Approximately 55–60 minutes |
| Gaming Battery Life | Up to 10 hours |
| Video Streaming Battery Life | Up to 15 hours (short videos) |
OPPO K13 features 6.7″ Flat FHD+ AMOLED with 120Hz refresh rate to ensure the smooth scrolling experience. It supports 1200 nits peak brightness which is visible even in sunlight.
It comes with Snapdragon 6 Gen 4 processor based on 4nm architecture which is able to handle multi-tasking smoothly. As it’s AnTuTu score is ~790,000 which is decent and offers the smooth game play. Yes this not a gaming phone.
It Features with impressive dual camera setup such as 50MP + 2MP micro as rear camera setup helps to capture vivid, detailed photos and it has the AI tools to enhance editing capabilities. The selfie camera comes with 16MP Sony IMX480 lens to capture the selfies and video calling.
Price Of OPPO K13 5G starts with ₹17,999 in India for the base model of 8GB + 128GB and ₹19,999 for the higher storage variant of 8GB + 256GB.
OPPO K13 – Budget Beast with Balanced Specs
- Battery: 7000mAh with 80W SuperVOOC fast charging
- Display: 6.7″ FHD+ AMOLED, 120Hz refresh rate, 1200 nits brightness
- Processor: Snapdragon 6 Gen 4 (AnTuTu ~790,000)
- Camera: 50MP + 2MP rear | 16MP front
- Software: Android 15 with ColorOS
- Extras: Dual stereo speakers, IR blaster, IP65 rating
- Storage & Price:
- 8GB + 128GB: ₹17,999
- 8GB + 256GB: ₹19,999.
Vivo T4x 5G vs iQOO Z10x 5G: Which is the Top 5G Phone Under ₹15,000? Complete Comparison
Which One Wins? Vivo T4 5G vs OPPO K13 5G – Full Spec Battle
| Feature | Vivo T4 5G | OPPO K13 5G | Winner |
|---|---|---|---|
| Battery | 7300mAh | 7000mAh | Vivo T4 5G |
| Charging Speed | 90W (60 mins) | 80W (55–60 mins) | Vivo T4 5G |
| Display | 6.78″ Curved AMOLED | 6.7″ Flat AMOLED | Vivo T4 5G |
| Brightness | 1300 nits | 1200 nits | Vivo T4 5G |
| Processor | Snapdragon 7s Gen 3 | Snapdragon 6 Gen 4 | Vivo T4 5G |
| AnTuTu Score | ~827,205 | ~790,000 | Vivo T4 5G |
| Front Camera | 32MP | 16MP | Vivo T4 5G |
| Rear Camera | 50MP + 2MP | 50MP + 2MP | Tie |
| Starting Price | under 20,000 (with offers.) | ₹17,999 | OPPO K13 5G |
Over all Vivo T4 5G is dominating with its features over OPPO K13 5G. At if you want phone at low price then prefer OPPO K13 5G as it offering ₹17,999 price for it’s base variant of 8GB|128GB storage.
And if you want the best featuring phone and the Vivo lover then definitely go for Vivo T4 5G or IQOO Z10 5G.
