Bosch Professional Blue bosch 18v battery pack 2x4.0ah w/charger

Blue Bosch 18V Battery Set 2x4.0Ah with Charger Product Description: 2 x 18V batteries with a capacity of 4.0Ah, providing longer operating time, and a fast charger. The 18V 4.0Ah battery provides longer operating time for all tools in the 18V class.Extremely short charging time for all 18V batteries, charging an standard-18 V battery to up to80% in just48 minutes.Compatible with all Bosch Professional's 18 V tools and chargers (Flexible Power System). Technical Specifications: Battery voltage: 18 VWeight (battery): 619 gBattery charge voltage from:14.4 VBattery charge voltage up to: 18 VCharging current: 4.0 ACharging time at batt.capacity approx.: 4.0 Ah (80%):48 min.Charging time at batt.capacity approx.: 4.0 Ah (100%):65 min.Weight (charger):550 g