Based on this product's specifications, here are some alternatives and similar models
Battery Tattu R-Line 550mAh 7.4V LiPo, 2S, model 53401
Summary description:
Tattu R-Line 550mAh 7.4V LiPo (model 53401) is a compact 2S rechargeable battery designed for small drones, FPV gear and lightweight RC models. With 550mAh capacity and nominal 7.4V output, it supplies continuous and peak currents appropriate for high-performance micro applications. Use for flight packs, testing and replacement batteries where size and weight matter.