Milwaukee M12 REDLITHIUM Li-Ion Tool Battery

12V M12 lithium-ion cordless tool battery. Lithium-ion batteries deliver longer life and run-time with fade-free power. REDLINK intelligence provides optimized performance and overload protection using total system communication between tool, battery and charger. Onboard fuel gauge displays remaining runtime for less downtime on the job. Ergonomic, compact, and lightweight design for operator comfort. For use with Milwaukee M12 tools and accessories.