This battery is a 100% compatible DeWalt DC9091, DC983, and DW055 Replacement Battery. Our batteries and accessories are made with high quality parts and are guaranteed to meet or exceed the original equipment manufacturers specifications at a reduced price. All batteries are tested for 100% Quality Control Assurance. This DeWalt DC9091, DC983, and DW055 Replacement Battery includes a 1 Year Warranty to guarantee that it has no manufacturing defects. Black & Decker: CD14CA, CD1402K2, CD1440K, CD1440K2, CD1440K, CD632K, CD632K, FS144, FS144, FSC414K-2, FSC414K-2, FSL144, FSL144, HP14KD, PS140, PS140, PS3600, PS3600, PS3650K, PS3650K, PS3650K-2, PS3650K-2 Dewalt: DE9038, DE9091, DW906, DW9061, DW9091, DW911, DW918, DW928K, DW931K, DW935, DW935K, DW937, DW937K, DW941K, DW941K-2, DW954K-2, DW966, DW966K, DW969K, DW969K-2, DW983K, DW990K-2, DW991B, DW991K-2, DW991KC-2, DW991KQ-2, DW991KS-2, DW996K-2, DW996KV-2 Lenmar: PTBD140Dantona Industries