Hello, the main difference between this item and the one in the link is Bluetooth connectivity: the model in the link (GAL 18V-160 C, part number 1600A019S5) can be connected to display the battery status via smartphone, unlike this item (GAL 18V-160, part number 1600A02T5G). Both are ultra-fast 18 V chargers with 16 A current, charging modes (Standard, PowerBoost, Long Life), Active Air Cooling and Bosch Professional 18 V and AMPShare battery compatibility. There are no other notable technical differences, apart from the price and packaging (cardboard box for the C model).
The GAL 18V-160 charger from Bosch Professional is compatible with batteries from the Bosch Professional 18V system, including older Li-ion batteries. It supports a wide range of battery capacities, such as 2.0 Ah, 4.0 Ah, 5.0 Ah, 6.0 Ah and also the ProCORE18V batteries.
So you can use the GAL 18V-160 to charge your older Bosch 18V Li-ion batteries and don't necessarily have to stick with the GAL 18V-40.