π Read before selecting your variant. These two batteries differ in physical size and discharge characteristics. The 3Ah is a compact form factor; the 6Ah uses an extended housing. Selecting the wrong variant for your application affects both tool balance and performance. Please read before adding to cart. Overview Aftermarket replacement batteries fully compatible with the Milwaukee M12 platform. Charges on your existing Milwaukee M12 charger, works with all M12 tools without modification. All variants use verified high-grade lithium-ion cells β capacity and discharge ratings on the label match exactly what is inside the pack. Choose Your Variant HIGH OUTPUT HO3Ah HIGH OUTPUT HO6Ah Capacity 3Ah 6Ah Peak Discharge 30A 60A Housing Compact Extended Best for Tight spaces, light tools, backup High-draw tools, extended runtime Typical tools Screwdrivers, lights, compact drills Drills, saws, higher-draw M12 tools Compatibility Compatible with all Milwaukee M12 tools and equipment Charges on any Milwaukee M12 OEM charger Direct drop-in replacement β no modifications required Why Not a No-Name Alternative The aftermarket battery market is saturated with products that list impressive specifications on the label and deliver something entirely different inside. Every battery from Mazurov Power Solutions contains exactly what the label states β verified cell grade, verified capacity, verified discharge rating. Warranty 12-month replacement warranty: If your battery stops working within 12 months with no physical damage to the housing and no signs of moisture ingress β replacement unit or full refund. No ambiguity, no fine print. Quality & Testing High-grade lithium-ion cells β verified capacity and discharge rating Every unit fully cycle-tested prior to packaging Label specifications guaranteed to match internal cell configuration What's Included 1Γ M12 Compatible Battery Pack (selected variant)