Battery life test of
China Mobile A3S smartphone

China Mobile A3S battery life test is

2800 mAh

China Mobile A3S | 2800 mAh | Li-Ion

China Mobile A4S 16GB | 3300 mAh | Li-Ion

China Mobile A3S | 2800 mAh | Li-Ion

Samsung Galaxy A71 5G 8GB · 128GB · A716S | 4500 mAh | Li-Ion

Oppo K9 Pro 8GB · 128GB | 4500 mAh | Li-Ion

Samsung Galaxy S21+ 8GB · 128GB · SM-G9960 | 4800 mAh | Li-Ion

ASUS ZenFone 4 Max ZC550TL | 5000 mAh | Li-Ion

Archos Oxygen 68XL | 5000 mAh | Li-Ion

Xiaomi Redmi 9i Sport 4GB · 64GB · Sport | 5000 mAh | Li-Ion

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