The New high capacity packs are designed to store more power – providing XR tools with longer runtime yet remaining Lightweight, the 5.0 AH batteries are the same size and weight as standard 3.0 AH batteries. A State of charge indicator on all 18V tools reassures professional users that there is enough power left in the battery to complete an application. The DCB184 is Backwards Compatible with any XR tool of the same voltageXR Lithium-ion is the premium DeWALT cordless platform.