Improving run-time, power and speed, the M12 XC extended-capacity lithium-ion battery can provide 2 times the run-time and increased performance in M12 tools. REDLINK intelligence provides optimized performance and overload protection using total system communication between tool, battery and charger. At only 2-1/2" W. and 3-1/2" L., the battery provides a durable and stable base for tools to stand upright. Rubber over-mold for shock absorption and to protect finished surfaces from marring when tools are placed on them.