General description This Bosch ProCORE18V Battery & Charger Starter Kit includes 2 x 18V ProCORE18V 5.5Ah Li-ion Batteries and a GAL 18V-40 Professional Compact Charger. The batteries utilize advanced cell technology, providing performance comparable to standard batteries while being more compact and lightweight. With COOLPACK 2.0 technology, these batteries ensure superior heat dissipation, resulting in a lifespan that is 135% longer than standard batteries, allowing for extended work periods. Technical specifications Battery Capacity: 5.5 Ah Battery Type: Lithium-ion Voltage: 18V Charge Time: 49 minutes for 100% charge Number of Batteries Supplied: 2 Charger Model: GAL 18V-40 Charging Current: 4 A Charging Time for GBA 18V 4.0 Ah battery: 80% in 48 minutes Charging Time for GBA 18V 2.0 Ah battery: 80% in 24 minutes Compatibility and accessories Compatible with all tools and chargers of the Bosch Professional 18V System Compatible with AMPShare, the multi-brand battery alliance