Bosch PowerPack 400 Performance Battery, Frame, Bosch eBike System 2 Compatible - Electric Cyclery
eBike batteries: Long range, low weight, easy charging - Bosch eBike Systems
FAHRER Battery Cover, Frame Fits BOSCH PowerPack 300, 400 and 500 Active/ Performance Line frame battery. Extends the battery capacity on cold days Black - Cycle Service Nordic US
Bosch Dummy Frame Battery Platinum | Tree Fort Bikes