Technical specifications: Adapter type: UK charger Input: 100-240V Output: 25.2V/1A Suitable for: HILTI 21.6V Li-Ion batteries Only suitable for Hilti 21.6V Li-ion batteries, not for Ni-MH / Ni-CD batteries! Fit For: Hilti: B22, B22 / 1.6, B22 / 2.6, B22 / 3.3, Hilti SR 4-A22, Hilti SR 6 -a22 and identical batteries, These batteries are used, for example, in the following devices: Hilti: AG 125-A22, HDE 500-A22, SCM 22-A, SCW 22-A, SF 22-A, SFC 22-A, SFH 22-A, SFL 22-A box, SID 22-A, SD 5000-A22 SIW 22-A, SIW 22T-A, TE 2-A22, TE 4-A22, WSR 22-A LED indicator light: Red: The charging process is in progress Green: charging completed, battery full Flashing red: poorly connected, high temperature, or reverse link Package includes: 1x Charger.