21.6V, 4000mAh, Li-ion Battery fits Hilti, Ag 125-a22, Hde 500-a22, 86.4WhBattery Fits Models: Ag 125 a22, Hde 500 a22, Scm 22 a, Scw 22 a, Sd 5000 a22, Sf 22 a, Sfc 22 a, Sfh 22 a, Sid 22 a, Siw 22 a, Siw 22t a, Te 2 a22, Te 4 a22, Wsr 22 a Battery Part Numbers: B22, B22 1. 6, B22 2. 6, B22 3. 3 Our battery should have the exact dimensions and fitment as the original battery; the fit and finish are checked before dispatch. Canadian Batteries have supplied the replacement batteries from Cameron Sino for nearly a decade. We