Battery life test of
Oppo A57 smartphone

Oppo A57 battery life test is

2900 mAh

Oppo Find 7a | 2800 mAh | Li-Ion

Oppo R9 | 2850 mAh | Li-Ion

Oppo F1 Plus International V1 | 2850 mAh | Li-Ion

Oppo A57 | 2900 mAh | Li-Ion

Oppo A39 | 2900 mAh | Li-Ion

Oppo R11 | 2900 mAh | Li-Ion

Oppo Find 7 | 3000 mAh | Li-Ion

Oppo A57 | 2900 mAh | Li-Ion

Infinix Zero 8 8GB · 128GB | 4500 mAh | Li-Ion

HiSense Infinity H30 | 4530 mAh | Li-Ion

Celkon Millennia Q5K Power | 5000 mAh | Li-Ion

BQ BQ-5206L Balance | 5000 mAh | Li-Ion

Infinix Hot 9 3GB · 32GB | 5000 mAh | Li-Ion

Huawei Enjoy 20 SE 4GB · 128GB · AL20 | 5000 mAh | Li-Ion

It's possible that some stores do not send the product to your country. Check on their website.