This laptop battery is for a Sony VGP-BPS26

This laptop battery is for a Sony VGP-BPS13B/B

This laptop battery is for a Sony VGP-BPS13BB/B

This laptop battery is for a Sony VGP-BPS13B/BB/B

This laptop battery is for a Sony VGP-BPS13B/Q

This laptop battery is for a Sony VGP-BPS21B