Based on this product's specifications, here are some alternatives and similar models
Battery HP 851610-855
Summary description:
The HP 851610-855 battery is designed for HP laptops including ProBook 470 G4 and ProBook 450 G5. It offers reliable performance and longevity, ensuring your device stays powered for longer periods. This battery is compatible with various HP models, providing a perfect fit and optimal functionality for your laptop needs.