Based on this product's specifications, here are some alternatives and similar models
Battery 2-Power VGN-BPS22 10.8V 6 Cell 56Wh
Summary description:
The 2-Power 10.8V Laptop Battery is designed for reliable performance with a capacity of 56Wh. This 6-cell battery replaces the VGN-BPS22, providing long-lasting power for your laptop. It ensures compatibility and optimal performance, making it an ideal choice for users seeking a dependable replacement battery.