Bosch GWS 18 V-LI Angle Grinder inc 2x 5.0Ah Batteries & GAL 18 V-40 Charger in L-Boxx Carry Case 115mm / 4.5\" The GWS 18 V-LI provides the highest material removal rate and cutting performance in its class per battery charge. It has an extremely robust and durable 4-pole high-performance motor for a long lifetime. With its compact design and low weight (only 2.3 kg) it provides comfortable working, especially in tight spaces and overhead. FEATURES Highest material removal rate and cutting performance in its class per battery charge Compact design and low weight (only 2.3 kg) for comfortable working, especially in tight spaces and overhead Innovative CoolPack batteries ensure optimum heat dissipation and therefore increase lifetime by up to 100% (cf. Li-Ion batteries without CoolPack) Practical battery charge level indicator: constantly shows how much energy is left in the battery Handle can be used on right or left No memory effect: the battery can be charged regardless of the charging state at any time, without damaging the cells Extremely robust and durable 4-pole high-performance motor for a long lifetime Bosch Electronic Cell Protection (ECP): protects the battery against overload, overheating and deep discharge Bosch Electronic Motor Protection (EMP) protects the motor against overload and ensures a long lifetime Gear head can be rotated in 90 degree steps Anti-rotation protective guard – quickly and easily adjustable, provides reliable protection SPECIFICATION No-load speed: 10,000 rpm Voltage: 18v Weight incl. battery: 2.3kg Grinding/cutting disc, diameter: 115 mm Rubber backing pad, diameter: 115 mm Bore size: 22 mm NOISE & VIBRATION Sound pressure level: 82 dB(A) Sound power level: 93 dB(A) Uncertainty K: 3 dB Sanding with sanding sheet: Vibration emission value ah: 2.5 m/s² Uncertainty K: 1.5 m/s² Surface grinding (roughing): Vibration emission value ah: 6.0 m/s² Uncertainty K: 1.5 m/s²