12 Volt 200 Amp wet battery. Fits Clarke Encore L20, Encore L2426, Encore S20, Encore S2426, Encore S30, Fusion 20, Fusion 20T, Image 26B, Ultra Speed 20/20T, Vision 26, Vision 32, Vision 38 and Nilfisk Advance Advolution 20B, Advolution 20BT, BU800 20B, BU800 20BA, BU800 20BAT, BU800 20BT, DS 66, DS81, Whirlamatic UHSB 20, Whirlamatic VS20
Fits Nilfisk Advance 871334 (alt # 871334)