What applies to the 06039E2104. The text says 2 x PBA 18V battery. In the comparison it says 1 x battery PBA 18V 2.0Ah. 1 x battery PBA 18V 4.0A and 18 V but it also says. Battery capacity: 4 Ah Number of batteries: 2x Battery features: No batteries supplied??????? Charger features: Charger supplied The product dimensions are also different or partly unknown, although they are the same devices with different batteries. With a larger battery, the height would have to change but not the length.