Lightweight Power Without Compromise
Designed to work seamlessly across the entire Milwaukee M12 platform, these batteries support everything from precision screwdrivers to rotary hammers. Each pack features advanced cell construction and intelligent power management in a surprisingly small footprint. The Milwaukee M12 REDLITHIUM™ battery technology outperforms standard lithium-ion packs, offering longer runtime, cooler operation, and better durability in tough conditions.
For extended tasks, the Milwaukee M12 4.0 Ah battery provides fade-free power that lasts through demanding applications. If you’re looking for a more compact option, the Milwaukee M12 3.0 Ah battery delivers the ideal balance of weight and runtime—making it perfect for confined workspaces and long shifts where comfort matters.
Explore the full range of Milwaukee batteries and Milwaukee tools to find the right fit for your next job.
Need More Power? Pair M12 with M18™
While M12 and M18 batteries are not interchangeable, professionals often use both platforms to cover a wider range of applications. The compact M12 system is ideal for light-duty precision work, while the Milwaukee M18 battery lineup powers heavy-duty tools like impact wrenches, circular saws, and SDS hammers. For maximum output, explore the Milwaukee FORGE™ battery —Milwaukee’s most powerful, fastest charging, and longest-life batteries.
Engineered for Professional Reliability
With built-in overload protection, water resistance, and smart temperature control, the Milwaukee M12 battery stands up to real jobsite abuse. Individual cell monitoring in both the Milwaukee 3.0 Ah and 4.0 Ah battery M12 models maximizes performance and extends battery life.
Take advantage of Milwaukee M12 batteries to grow your setup with confidence—all backed by Milwaukee’s trusted tool ecosystem.