The FBM-B 3100 can be used immediately and flexibly – without cable laying, independent of sockets – even outdoors. The engine is maintenance-free and has a long battery life of up to 120 minutes. The Li-Ion removable battery is in 30 min. recharged. A 200-liter drum can be emptied (at 15,000 rpm in a 3-minute -1 ). One battery charge is sufficient to empty 10 x 200 liter drums (at 5,000 min -1 ). He also has a stepless speed adjustment. Several pumps can be operated one after the other with one motor.