... battery ; 2. color :black ; 3. Voltage :6v ; 4. Capacity :4200mah ; 1.Leica GEB121 NI-MH 6V/4.2mAh rechargeable battery ;2 ... for Leica TPS series ,TC series , RCS series , GS series , SR series , DINA03/10 series Electronic Level ;6. weight : 355g ;7 ... for Leica TPS series ,TC series , RCS series , GS series , SR series , DINA03/10