The EGO POWER+ 700W Charger features an intelligent battery control system that monitors each cells charge and temperature to deliver the quickest, most efficient charge. Its active cooling fan system and advanced communication with the battery supports rapid charging without overheating for maximum battery life. Its rapid recharging capability ensures limited downtime with any EGO 56V ARC Lithium battery (available separately). It has an integrated fuel gauge that shows five charge levels in 20 percent increments. The charger is also compatible with the EGO Connect app. From zero, it can fully charge a 2.5Ah battery in as little as 30 minutes, 4.0Ah in 25 minutes, 5.0Ah in 30 minutes, 6.0Ah in 35 minutes, 7.5Ah in 45 minutes, 8.0Ah in 50 minutes, 10.0Ah in 60 minutes, and 12.0Ah in 75 minutes (all charge times are approximate). The 700W Charger charges all EGO POWER+ 56V ARC Lithium batteries.