Battery Pack For SNAP ON CTB5172 7.2V 2000mah Ni-MH NEW Battery Type:  NI-MHCapacity:  2000mah or 2.0AH Battery Voltage:  7.2VBrand:  For Snap onFit Model:   CTB5172 | CTB5172B Compatible tool models: CTS561, CTS561CL, CT561,CTLED566 Flashlight, and CT561, CT525 impact wrench; CTS561CL, CTS561, CT561QC electric screwdriver Compatible charger: CTC572, CTC578, CTC596 Package includes: Battery Pack x1