Battery Charger, Battery Capacity 2 Ah, 2.5 Ah, 4 Ah, 5 Ah, 7.5 Ah, Charge Time (2 Ah) 40 min, (2.5 Ah) 50 min, (4 Ah) 80 min, (5 Ah) 100 min, (7.5 Ah) 145 min, Battery Capacity Charged in 1-Hour 2.5 Ah, Number of Ports 1, Charging Port Voltage (1)...