Power Set BOSCH (1 x 18V 4,0 Ah + GAL18V-40) Battery BOSCH GBA 18V 4,0 Ah - COOLPACK technology for up to 100% longer lifetime (compared to standard battery) - Lightweight for even more comfortable work, especially in overhead applications - Compatible with new and existing Bosch Professional tools 18V Charger BOSCH GAL18V-40 - Compact charger: small size thanks to its modern design - Optimized charging speed: optimized charging speed for compact 18V batteries, since an 18V and 2.0Ah battery charges at 80% in 24 minutes - Professional 18V System: compatible with all Bosch Professional 18V batteries