Specification: Battery Voltage: 18 Volts Battery Capacity: 5000mAh Battery Type: Li-ion Battery Condition: Brand New Replacement PN: 2 607 336 091, 2 607 336 092, 2 607 336 169, 2 607 336 170, 2 607 336 236, BAT609, BAT609G, BAT618, BAT618G, BAT619, BAT620 Compatible Model: 17618,17618-01,24618-01,25618,25618-01, 25618-02,26618,26618-01,3601H61S10, 36618-02,37618,37618-01,BSH180,CAG180-01, CCS180,CCS180B,CCS180K,CFL180 CFL180B,CRS180,CRS180B,CRS180K,DDS180-01, DDS180-03,DGSH181,FHN180,HDS180-03, HTH181-01,HTH182-01,IWH181-01,IWHT180-01, IWHT181-01,JSH180-01 PB360S,RHH180-01,RHS181-01,GBH 18V-LI,GBH 18 VH, GCB 18V-LI,GDR18V-LI,GDR 18V-LI MF,GDR 18-LI, GDS 18V-LI,GDS 18V-LI HT, GKS 18V-LI, GSA 18V-LI GSB 18V-LI,GSB 18V-LIN GSB 18VE-2-LI, GSB 18-2-LI, GSK 18V-LI, GSR 18V-LI,GSR 18V-LIN,GSR 18VE-2-LI,GSR 18-2-LI, GST 18V-LI, GWS 18V-LI Battery Maintenance: 1. Always remove battery pack form your tool when you are assembling parts,making adjustments,cleaning, or when not being used for an extended time. 2. If you don't plan on using the Power Tool Battery for a month or more,store it in a clean,dry,cool place away from heat and metal objects. Ni-Cd, Ni-MH and Li-ion batteries will self-discharge during storage; remember to recharge the batteries before use. 3. Do not leave the battery dormant for long periods of time. We recommend using the battery at least once every two to three weeks.