Features and Benefits:

• Works with Makita battery chargers DC24SA, DC14SA,DC18RA or DC18SC
• Conditions battery cells that have been inactivated for extended battery life
• Refreshes batteries in as little as 40 minutes
• Can automatically detect batteries that need to be refreshed
• Refreshing batteries allows you to stretch the overall battery life of your batteries

The refreshing adapter automatically refreshes the battery. The 193681-8 detects the history of the battery by reviewing charging and discharging patterns and then conditions and optimizes the battery. Fits DC14SA and DC24SA chargers (sold separately).