Extended runtime battery solution for the Milwaukee M12 cordless platform
The Milwaukee M12B4 twin pack provides two 4.0Ah REDLITHIUM battery packs designed for extended runtime across the M12 cordless tool system. Each battery integrates REDLINK digital overload protection and individual cell monitoring to regulate charging and discharging cycles, helping protect both the battery and the connected tool during demanding jobsite applications.
The internal welded frame construction with shock-responsive separators increases durability against vibration and impact. With a capacity of 4.0Ah and a weight of approximately 0.4 kg per battery, the pack delivers increased runtime compared with compact batteries while maintaining balanced tool ergonomics.
Specifications:
- Platform: M12
- Battery capacity: 4.0 Ah
- Battery type: Lithium-Ion REDLITHIUM
- Charge time M12-18 FC charger: 52 min
- Charge time M12 C4 charger: 80 min
- Charge time M12-18 C charger: 80 min
- Weight per battery: 0.4 kg
Package Contents:
- 2 x M12 B4 4.0Ah REDLITHIUM battery packs
Note: No charger is included. Compatible with all Milwaukee M12 cordless tools and chargers. These batteries can operate in low temperature environments down to -20°C without significant runtime reduction.
