Craftsman C3 19.2-Volt XCP Compact Lithium-Ion Battery Pack Craftsman C3 Lithium-Ion XCP (Extreme Core Performance) Compact Battery. Compatible with all Craftsman C3 and EX tools. Lightweight, compact design. Weighs less than 1 lb. Works with multiple Craftsman C3 tools. Rugged build features anti-shock feet for traction and impact resistance. Take your C3 tools to the extreme with industry leading Lithium-Ion technology. XCP delivers more power, longer run time and better performance at a lighter weight. Built-in charge indicator keeps you up on charge status (green, yellow or red light conveys level of charge). Delivers 3 times the cycle life of NiCd batteries. Holds charge in very cold weather conditions. 1.5 Ampere Hour. Compared to Craftsman 19.2V Ni-Cd battery, provides up to 35 percent more run time.