The Easy One: Your mate when you want things to be light – perfect for jobs like drilling or screwing. The lightweight 400 g BP 18 Li 3.0 C battery pack is perfect for all assembly jobs when it comes to drilling and screwdriving and is over 30% lighter than a 4.0 Ah Li-HighPower battery pack. When used with the brushless EC-TEC motors of the Festool Cordless drill CXS 18, TXS 18, C 18, T 18+3, the Cordless impact driver TID 18, or the DWC 18 cordless drywall screwdriver, it delivers plenty of power and run time while still being super easy to handle. And of course, it’s fully covered by Festool Service. In a nutshell: it’s the ideal battery pack for all your drilling and screwdriving assembly tasks. Super light: 3.0 Ah for brilliant handling and total ease in drilling and screwing tasks with low power requirements – at just 400 g, it’s over 30% lighter than a 4.0 Ah Li-HighPower battery pack!|Practical: The LED display shows the battery pack's current charge level at all times.|Sure thing: Round frame made from soft-touch material to protect and securely support the machine on sloping surfaces.|For stress-free work: The battery packs are, of course, completely covered with Festool Service. Particularly suitable for less energy-intensive applications|Particularly suitable for drilling and screwdriving. Especially lightweight and handy.|Reduced to the bare essentials. Weighing only 400 g, the lightest battery pack in the Festool lineup – perfect for working overhead or in tight spots when you're doing assembly with any of the Festool cordless drills.|LED display for quickly showing the charge status, a soft-grip frame all around to protect the workpiece and the battery pack, and to keep the machine steady on sloped surfaces and roofs. lithium-ion (Li-ion) battery pack in compact, lightweight design. for all applications and 18-volt devices – with a focus on assembly tasks like drilling or screwing (except TSC 55, TSC 55 K, KSC 60, CSC SYS 50, HKC 55 K, SYMC 70, ETSC 125, RTSC 400, DTSC 400, CTC MINI/MIDI)