technical data:parametersbattery type: lihdbattery voltage: 18 vbattery capacity: 2 x 5.5 ahmax. Single impact energy (according to epta): 3 jmaximum number of impacts: 4470 /mino drilling in concrete with impact drills: 28 mmo masonry drills with core bits: 82 mmdrilling diameter in steel: 13 mmo drills for soft wood: 30 mmidle speed: 0 - 1000 /mintool holder: sds-plusweight without battery: 3.4 kgvibrationspercussion drilling in concrete: 18.2 m/s2uncertainty of measurement k: 1.5 m/s2chiseling: 13.4 m/s2uncertainty of measurement k: 1.5 m/s2noise emissionssound pressure level: 92 db(a)sound power level (lwa): 103 db(a)uncertainty factor k: 3 db(a)metabo kh 18 ltx bl 28 q cordless rotary hammer exceptionally light and handy cordless hammer with integrated dust extraction portmaximum drilling performance efficiency and service life thanks to brushless technology and a high-performance impact mechanismdust-free drilling with the compact isa 28 dust extraction system (accessory)3-function combination hammer: hammer drilling and drilling without impact chiselingmetabo vibratech (mvt): safe and easy work even during continuous usemetabo quick: quick tool-free chuck change for working with sds-plus and cylindrical shank drillsvario-tacho-constamatic (vtc) full-wave electronics for speeds tailored to the material being processed and keeping them constant under loadoptional speed and impact energy reduction helps when processing soft materialselectronic soft start for precise spot-drillingdouble safety in the event of a jammed drill: no kickback thanks to mechanical drive decoupling and sensor-controlled quick decouplingled work light for optimal visibility of the drilling area**