After years of trouble with older self discharging batteries a previous model, the time was now ripe for a time retreading. A perfect device for the opportunity and wrench (percussion) drill in the DIY sector. 18 watts of power have enough power for the most demanding work. The two included high-capacity battery with 2 Ah and lithium-ion technology offer enough power even for longer works - and above all there is no self-discharge instead !!! I think this device can easily keep up with many more expensive models from the professional sector. Safely stored in the supplied plastic case, which can also accommodate the batteries, charger and further accessories. A jewel for the tool storage and always ready for immediate use without the hassle Aufladezeremonie. The part should be in every home improvement budget.