With the FBM-B 3100, Flux-Geräte presents a brushless battery motor designed for the seal-less drum pump 'Combiflux'. Depending on the respective pump version, flow rates of 12 to 60 l/min can be achieved via the infinitely variable speed. At the highest speed, for example, a 200-liter drum can be emptied in just three minutes; at the lowest speed, ten 200-liter drums can be emptied with one battery charge. If the lithium-ion rechargeable battery is empty, it is easy to replace and can be recharged within 30 minutes. Thanks to its independence from the mains, the battery-powered motor is suitable for applications where cable laying is problematic or undesirable, power grids are unstable or there is no mains connection at all. The device works without carbon brushes and is therefore maintenance-free.