Brompton Electric Batteries and Frames

It's 2025 and the Brompton Electric gets a new battery - launched with the Brompton G Line Electric This is also being rolled out to C and P Line Brompton Electric bikes - Here we show some of the differences (we probably missed some!) and similarities between batteries and the frame in which the battery sits (normally inside a bag) And - importantly (for us at least) - which battery can be used with which frame and which model of Brompton Electric 0:00 | Intro 0:42 | Batteries and features 5:50 | Battery / frame compatibility 8:07 | End 8:56 | Outtakes So in Summary If you have a C Line or P Line You can use the original battery with the original frame or a the original battery with the adapter frame or a new battery with an adapter frame If you have a G Line You can use the new (introduced with G Line) battery with the new frame Simple really!