The EGO POWER+ 56V Charger features an intelligent battery control system that monitors each cell's charge and temperature to deliver maximum battery life. Its active cooling fan system supports rapid charging without overheating. Its rapid recharging capability ensures limited downtime with any EGO 56V ARC Lithium battery. From zero, it can fully charge a 2.5Ah battery in 50 minutes, 5.0Ah in 80 minutes, 6.0Ah in 120 minutes, 7.5Ah in 145 minutes, 10.0Ah in 190 minutes, and 12.0Ah in 230 minutes (all charge times are approximate). The EGO POWER+ Standard Charger charges all EGO POWER+ 56V ARC Lithium batteries.