Milwaukee M12B6 M12 6.0Ah Red Lithium-Ion Battery

Milwaukee M12B6 12 V RedLithium 6.0 Ah Battery Pack

The Milwaukee M12B6 is a high-capacity 12 V battery pack engineered to deliver extended runtime and dependable power across the full range of M12 cordless tools. Whether you’re working on construction, maintenance, renovation, or DIY tasks — this battery gives you the performance and endurance you need for longer sessions without frequent recharging.

Built with Milwaukee’s advanced REDLITHIUM™ technology and smart electronics, the M12B6 provides superior runtime, consistent output, and excellent durability. Its robust construction ensures reliable performance — even under tough jobsite conditions.

• 6.0 Ah high-capacity Li-ion cell — delivers up to 3× more runtime than standard batteries, giving you longer continuous work between charges. :contentReference[oaicite:1]{index=1}
• Up to 20% more power & up to 2× longer battery life compared with older lithium-ion packs or standard batteries. :contentReference[oaicite:2]{index=2}
• Smart REDLINK™ digital overload protection and cell-monitoring — protects tools and battery from overload, over-discharge, excessive heat, or deep discharge for longer service life. :contentReference[oaicite:3]{index=3}
• Rugged and durable build — welded frame construction with shock-responsive separators helps prevent pack damage from vibration or impact. :contentReference[oaicite:4]{index=4}
• Operates reliably in extreme temperatures — works down to -20 °C without compromising runtime or battery life, making it suitable for outdoor or harsh-environment work. :contentReference[oaicite:5]{index=5}
• Full compatibility with all M12 cordless tools — plug and play across the entire M12 tool ecosystem for maximum flexibility. :contentReference[oaicite:6]{index=6}

Whether you’re drilling, driving, cutting, fastening, or working with compact tools in tight spaces — the M12B6 ensures you have reliable battery power to get the job done without interruption. It’s a great choice for tradespeople, contractors, and DIYers who demand longer runtime, consistent performance, and rugged durability.