?Powerful and durableThe powerful 18 V Ergo battery pack in combination with the brushless EC-TEC motor ensures power similar to that of a mains-powered toolNo interruptions: The battery packs with a capacity of 3.1 Ah impress with a longer running time than charge timeCharge status indicator for quickly displaying the remaining capacityUnlimited running time: For continuous electrical operation, the 18 V battery pack can be replaced with the plug it n mains adapter, which is an ideal solution in combination with a Festool mobile dust extractornot compatible with all other Festool cordless toolsergonomic, lightweight design