The GBA 18 V 5.0 Ah AS battery pack (e.g. for the Aqua Drill Pro AS) is a Li-ion battery (voltage 18 V capacity 5 Ah) with charge level indicator and "Electronic Cell Protection" (ECP).
ECP protects the battery against overloading, overheating and deep discharge. The COOLPACK 1.0 technology ensures a longer battery life compared to batteries without COOLPACK technology and therefore enables longer operating times. Compatible with all 18 V battery-powered tools with AMPShare or Bosch Professional 18 V battery interface. AMPShare is the cross-brand battery system for professionals in trade and industry. With just one shared battery system, you can switch flexibly between professional tools and brands - without any thought. With over 80 million batteries sold and a rapidly growing community, AMPShare is the 18V battery system you can rely on.