Brompton Electric - Greenway 345 Wh Battery - for C, P, T and G Line Electric
This is a replacement Greenway batter as introduced on the G line Brompton Electricand now rolled out to the Brompton e-Motiq electric range of C Line, P Line and T Line 16 inch models.
It is compatible with both the Mk 1 P Line and C line electric Brompton Bicycle (the ones with the motor in the front wheel) only when used with the new adapter frame (the bit which fits inside the bag and connects to the electric front carrier block)
This battery has a capacity of 345 Wh, Brompton say you should be able to ride for 30 - 60 miles (40 - 70 km)
Charges in 5 hours (charger not included)
Maybe you are looking for a Brompton Electric spare battery so you can have one ready charged when you arrive at work or a replacement if you've misplaced or broken the one that came with your bike
The display on the top shows the current charge level (indicated by 1-5 blue dots)
The power level can be controlled by a button on the top (level 1-3 or off) - or by the Brompton Electric App
The lights can be adjusted by a button on the top (on, off or auto sensing)
Weight: 2.6kg / 5lb 2oz
Battery Compatibility |
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This is a replacement battery originally for Brompton Electric folding bikes with 20 inch wheels:
It is also for the Brompton e-Motiq electric folding bikes introduced in 2026 (with the motor in the rear wheel)
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This battery is NOT compatible with Brompton Electric folding bikes with 16 inch wheels with the original BMZ frame |
Battery / Frame compatibility |
Compatible with the following frames: |
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Not compatible with the following frames: |
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We made this short video on the Brompton Electric City (small) bag which includes details on how to remove / install the battery
Brompton 2020 Q part code: Q103828
Brompton Q part code: GE-FBATT345
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