Intelligent Rapid 12/18.0V charger For charging 12 and 18 V battery packs. With a large LCD display for battery diagnostics and charge status. Charging time 12 V/18 V: approx. 40 minutes for 2.5 Ah, approx. 50 minutes for 5.0 Ah, approx. 75 minutes for 8.0 Ah/18 V. A special charging process achieves 80% charge capacity after approximately 30 minutes. With integrated battery pack cooling, overheating, discharge, and overload protection.