2x battery 18 V 8.0 AH :, Akkus voltage: 18 V, battery capacity: 8.0 Ah, weight battery 955g, powerful: 87 % more power - thanks to new cell generation in combination with Bosch's own competence in batteries, compatible: 100 % compatible with all Bosch Professional 18V Tools & chargers-thanks to flexible power system, durable: up to 135 % longer lifespan compared to a conventional battery pack-thanks to improved Coolpack 2.0 technology to protect the battery from overheating, charger GAL 1880CV:, battery charging: 14.4-18 V , Charging current: 8 a, loading time for battery capacity 1.5 AH (80 % / 100 %): approx. 10 /25 min, loading time with battery capacity 2.0 AH (80 % / 100 %): approx. 15 /30 min, loading time with battery capacity 3.0 AH (80 % / 100 %): approx. 20 /35 min, loading time at battery capacity 4.0 AH (80 % / 100 %): approx. 25 /35 min, loading time for battery capacity 5.0 AH (80 % / 100 %): approx. . 30 /45 min, loading time for battery capacity 6.0 AH (80 % / 100 %): approx. 35 /55 min, loading time for battery capacity 6.3 AH (80 % / 100 %): approx. 41/55 min, 50 % faster charging The battery (compared to AL 1860 CV), Active Air Cooling for longer lifespan of the batteries