Description
REDLINK™ Intelligent Electronics
Temperature Control - Maintains the battery in an optimal temperature range
Individual cell control to optimize cell discharge and increase battery life
Protection against excessive battery discharge
Up to 2 times longer runtime, up to 20% more power
Cell welding integrated into the frame
Rubber protection against shock and vibration
MILWAUKEE M12 B4 – 12 V Battery 4.0 Ah REDLITHIUM™
M12™ 4.0 Ah battery for extended run time; REDLINK™ electronics and thermal management. Compatible with all M12™ tools.
| Parameter |
Value |
| Voltage / Capacity |
12 V 4.0 Ah |
| Charging times* |
C12C / M12 C4 / M12-18 C: 80 min · M12-18 FC / M12-18 SC: 52–59 min |
| Compatibility |
M12™ System |
*Approximate times depend on the charger. Sources: Official page and dealer data sheets with timing table. :contentReference[oaicite:5]{index=5}
