Fit to the device models:Opticon H16, H-16, H-16A, H-16B, H19, H-19, H19A, H-19a, H19A-EN-K01, H-19B, H-19d. These parts are in no way associated with the initial manufacturers parts. Compatible with the battery part numbers:019WS000861, 019WS000878, 02BATLION-09, 11812, H-16, H-19.