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 In. W and 3-1/2 In. 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. Compatible with most M12 tools and electronics (not compatible with 2320 M12 Plumb Laser and 2290 Sub-Scanner M12 Cordless Detection Tool).