2x GBA 18V 2.0Ah + GAL 18V-40 Professional Batteries & chargers | COOLPACK technology for up to 100% longer lifetime (cf. battery without COOLPACK), Extremely fast charging speed for all 18 V batteries, charging a standard 18 V 2.0 Ah battery to 80% in only 24 minutes, Compatible with all Bosch Professional 18 V tools and chargers (Professional 18V System)