Based on this product's specifications, here are some alternatives and similar models
Battery extra digital for Nokia Asha 225 BL-4UL 1200mAh Li-ion
Summary description:
Rechargeable Li-ion battery (model BL-4UL) by extra digital designed for Nokia Asha 225. Capacity 1200 mAh, intended as a replacement power source for the specified phone model. Provides portable power for calls, messages and basic apps, restores device runtime, and is suitable for users needing an original-form compatible spare battery.