2 X Bosch 18v 5Ah Li-ion COOLPACK Batteries Lithium Ion + AL1860 Turbo Charger

User Benefit A further 25% increase in runtime (cf. with 4.0 Ah battery) CoolPack technology for up to 100% longer lifetime (cf. battery without CoolPack) Bosch flexible power system - battery suitable for all tools in one voltage class Other Features Quick charger with charge time of 65 minutes