Technical data The most important data Interfaces DC port: 12V, 1.2 A (only for GHJ 12+18V), USB port: 5 V, max. 2.1 A Charge current* 2.1 A Weight* 0.08 kg GAA 12V-21 Professional: Further information Product Highlights The GAA12V-21 Professional is Bosch´s compact USB charging adapter. Equipment & Application With a 2.1A of charging current, it turns Bosch 10.8 V and 12 V batteries into USB power banks. Its compact design and convenient metal belt clip make it possible to carry power reserves on hand at all times. Its coaxial connection jack allows for powering Bosch heated workwear for warmth while working or during other cold weather outdoor activities. Additional Information The charging adapter is compatible with all Bosch Professional 10.8 V and 12 V batteries and chargers (Professional 12V System).