Based on this product's specifications, here are some alternatives and similar models
Battery for Asus laptops PATONA PT2175 — Li‑Ion 4400 mAh, 10.8 V, compatible with A52/K42 series
Summary description:
Replacement laptop battery PATONA PT2175 compatible with Asus A52 and K42 series models. Lithium‑Ion technology, nominal capacity 4400 mAh and 10.8 V output provide power for prolonged mobile use. Designed as a spare or replacement part for model variants such as A52F, A52J, A52JB, K42F and similar; weight 0.305 kg and black/yellow casing.