Bosch ProCORE Batteries from Power Tools UK - YouTube
Bosch GBA ProCORE 18V 12.0Ah Professional 2000W 3lbs Premium Original Package 880133758081 | eBay
CORE18V 10.0Ah ProCORE Replacement Battery for Bosch 18V Professional System Cordless Tools BAT609 BAT618 GBA18V80 21700 Cell| | - AliExpress
1600A016GU Bosch | Bosch 1600A016GU 12Ah 18V Power Tool Battery, For Use With 18 V Range Angle Grinder, 18 V Range Circular Saw, 18 V | 177-9576 | RS Components