It is quiet, ecological, economical. No gasoline, no cable, no noise, no exhaust. Such is the new AKU series of the FIELDMANN brand, which really works, lasts a long time, is easy to operate and has great performance. The heart of AKU technology is always a Lithium-Ion battery in 2 Ah / 4 Ah variants. It is not necessary to buy a special battery for each machine, but you only need one, and here you can use it for any machine from our FAST POWER 20V advice. Switch it from one machine to another quickly and easily (with a click) and you can continue working. Just press a button and it goes! Today's AKU technology can offer the performance and dynamics of petrol machines! This is guaranteed by the fact that the machines such as garden mowers or brushcutters, the full power of two batteries is used at the same time. For smaller machines such as drills or blowers, only 1 battery is used.