Brompton Electric Battery (without Bag)

This is a Brompton Electric battery in black, sold without the charging bag or charger. The battery is the core component that powers the Brompton electric folding bike system, and it's compatible with Brompton's compact fold design. It's a straightforward replacement or spare unit for anyone already running an electric Brompton or looking to add electric assistance to their riding without needing to buy a complete new setup.

Since the bag and charger aren't included, you'll need to source these separately if you don't already have them. This is worth knowing upfront, as the charger is essential for keeping the battery topped up between rides. If you're familiar with Brompton electrics already, this makes sense as a standalone purchase—you simply slot the battery into place and it integrates with the existing Brompton drivetrain and display. For anyone new to the system, you may need to check compatibility with your current Brompton model and arrange the charging setup independently.

This works well for riders who already own a Brompton and want to add electric assistance to their daily commute or longer mixed-use journeys. It's also useful as a spare if you already have the charger and bag at home. The black finish is the standard Brompton aesthetic and matches their existing folding bike range.