M18 B4 - Battery M18™, Li-ion 18 V, 4.0 Ah, 4932430063

• Charge time:
- Fast charger M12-18 FC: 47 min
- Standard charger M12-18C/ M12-18 AC/ M1418 C6: 80 min
• Delivers up to 2x more run time, up to 20% more power and up to 2x more battery life compared with other Lithium-Ion technologies and/or
  with previous MILWAUKEE® battery technology (Results depend on tool and application).
• REDLITHIUM™-ION protection with REDLINK™ digital overload protection to prevent users from damaging their cordless power tool investment in abusive situations.
• Individual cell monitoring ensures optimal charge and discharge for maximum life.
• Durable metal frame battery construction with shock responsive separators preventing pack failure from excessive vibrations or drops.
• Water protection routes water away from the electronics & out of the battery pack.
• Can be used in extreme temperatures down to -20 °C without compromising on runtime and battery life.
• On-board battery fuel gauge helps the user to maximise his battery run-time efficiency.