30 Minute Charge Time: Industry\'s fastest charger56V Battery 2.0 Ah Battery: 25-minute charge time from zero to full charge56V Battery 4.0 Ah Battery: 30-minute charge time from zero to full charge56V Battery 4.0 Ah Battery: 45-minute charge time from zero to full chargeFan Cooled Charging System: Prevents the battery and charger from overheatingIntegrated Fuel Gauge: Shows how much power is left in the batteryIntegrated LED Charge Indicator Lights: To let you know if your battery has a full charge or notCharges all EGO Power Plus Batteries