Based on this product's specifications, here are some alternatives and similar models
Battery for Xiaomi Redmi S2 SM220243 3000mAh Li-ion by extra digital
Summary description:
Replacement Li‑ion battery for Xiaomi Redmi S2, model SM220243, capacity 3000 mAh, manufactured by extra digital. Designed as a direct replacement to restore device runtime and reliable power delivery. Suitable for everyday phone use, calls, browsing and apps. Benefits include factory‑compatible capacity, compact size and straightforward installation for service or DIY replacement.