Based on this product's specifications, here are some alternatives and similar models
Bluestar Li-Polymer Replacement Battery for iPhone 8, 1821 mAh
Summary description:
High-quality Bluestar Li-Polymer replacement battery designed for iPhone 8 with a capacity of 1821 mAh. This reliable power cell restores the original performance and battery life of your smartphone. Ideal for replacing degraded or faulty batteries, it ensures stable operation and safe charging. Perfect for professional repairs or DIY maintenance to extend the lifespan of your mobile device.