Battery starter set: 1 x battery pack GBA 12 Volt, 2.0 Ah and 1 x battery pack GBA 12 Volt, 4.0 Ah with quick charger GAL 12V-40. This combination features a compact 12 Volt battery with a long runtime and a quick charger. The GBA 12V 2.0 Ah is a compact and lightweight battery, while the GBA 12V 4.0 Ah offers higher capacity for the complete 12 Volt tool range. The GAL 12V-40 provides high charging speed for all 12 Volt batteries, charging 12-volt/2.0 Ah batteries from 0 percent to 80 percent in just 24 minutes. It is compatible with all Bosch Professional 10.8 Volt and 12 Volt tools (Flexible Power System). The set includes 1 x GBA 12V 2.0 Ah battery, 1 x GBA 12V 4.0 Ah battery, GAL 12V-40 Professional fast charger, and a cardboard box.