Long day on the job? This Milwaukee M18 REDLITHIUM FORGE HD12.0 Starter Kit keeps your tools running longer with a 12.0Ah lithium-ion battery built for extended runtime and increased performance. The included M18/M12 Rapid Charger makes it easy to top off packs fast, so you can get back to drilling, cutting, and fastening without the downtime. Fits all Milwaukee M18 tools and batteries. New in box.