Bosch power tools deliver stronger performance and lasting reliability. The Bosch Brute Tough™ drills are designed to withstand extreme use and abuse. Bosch advanced Lithium-Ion technology delivers optimized performance through Electronic Cell Protection (ECP™), unique pack design which keeps the battery cooler, and Electronic Motor Protection (EMP™) which protects motor in heavy duty applications. Bosch 18 V batteries equipped with SlimPack technology. This will provide better performance from your tools in extreme heats and frigid temperatures.