Milwaukee M12™ 2.0Ah REDLITHIUM™ Battery (M12 B2)
Built for compact power and everyday reliability, the Milwaukee M12™ 2.0Ah REDLITHIUM™ Battery (M12 B2) delivers dependable runtime in a lightweight, space-saving design. Ideal for tight spaces and all-day use, it provides smart protection, consistent performance, and seamless compatibility across the M12™ system — keeping your tools working efficiently without added bulk.
Supported Payment Types
Milwaukee M12™ Lithium-Ion Battery Charger (C12C)
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Milwaukee M12™ 2.0Ah REDLITHIUM™ Battery (M12 B2)
When you’re working in tight spaces or relying on compact cordless tools all day, balance matters just as much as power. The Milwaukee M12™ 2.0Ah REDLITHIUM™ Battery is designed to deliver dependable performance in a lightweight, compact form — keeping your tools agile without sacrificing reliability.
Built around REDLITHIUM™ battery technology, this 2.0Ah battery provides up to 2x more runtime, up to 20% more power, and up to 2x more recharges compared to previous lithium-ion technologies. Whether you’re installing, fixing, drilling, or tightening in confined areas, it delivers consistent energy that helps you work efficiently from start to finish.
At its core is REDLINK™ Intelligence, Milwaukee’s advanced electronic protection system. The battery continuously communicates with the tool and charger to prevent overloading, overheating, and over-discharge — safeguarding both the battery and your cordless tools in demanding applications. Individual cell monitoring ensures optimal charge and discharge across every cell, maximising battery life and long-term performance.
Designed for real-world site use, the M12 B2 features an integrated welded frame construction with shock-responsive separators, helping to protect internal components from vibrations, drops, and everyday wear. It’s also built to perform in extreme temperatures down to –20°C, making it a reliable choice for year-round work both indoors and outdoors.
As part of the Milwaukee M12™ system, this battery is compatible with over 120 M12™ cordless tools, giving you a flexible, scalable power platform that grows with your kit. It’s ideal as a replacement battery, a lightweight alternative to higher-capacity packs, or a spare to keep downtime to a minimum.
Key Features & Benefits
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2.0Ah REDLITHIUM™ battery for compact power and reduced weight
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REDLINK™ Intelligence protects against overload, overheating, and over-discharge
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Individual cell monitoring for optimal charge and longer battery life
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Durable welded frame construction resists drops and vibrations
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Reliable performance in temperatures down to –20°C
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Compatible with the full Milwaukee M12™ cordless system
Ideal For
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Professional tradespeople
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Compact and lightweight M12™ tools
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Working in tight or awkward spaces
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Users needing reliable runtime without added bulk
What’s Included
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1 × Milwaukee M12™ 2.0Ah REDLITHIUM™ Battery (M12 B2)
