The Ingersoll-Rand IQv Series was specifically designed for professionals who seek improved performance, power, and durability in their tools.  The wide range of cordless tools included in the series are lighter and more powerful, while necessary battery replacement is considerably lower compared to other brands.  Most impressive is the battery technology of the IQv Series, making it possible to charge all voltages and chemistries with one charger.  This technology makes the Ingersoll-Rand IQv Series a smart choice for any professional.