General description User Benefit: Experience a significant 25% increase in runtime compared to a 4.0 Ah battery, along with CoolPack technology that extends the battery's lifetime by up to 100% compared to batteries without CoolPack. The Bosch flexible power system ensures that these batteries are compatible with all tools within the same voltage class. Technical specifications Battery type: Lithium Ion Voltage: 18 V Capacity: 5 Ah Charge time: 65 minutes Other information Includes 2 Bosch 18V 5Ah Li-ion COOLPACK batteries Includes AL1860 Turbo Charger