PowerTube batteries do not all have the same length. Compatibility between individual PowerTube models is not always guaranteed. Due to the different battery designs and mounts, the new PowerTube 600 (BBP3860) and PowerTube 800 (BBP388Y)batteries are not interchangeable with PowerTube 750 (BBP377Y), PowerTube 625 (BBP376Y), PowerTube 800 or PowerTube 500 (BBP375Y). Features Rechargeable battery can be integrated into the bicycle frame. Easy and safe to insert and remove. Integrated battery management system ensures high mileage and long service life. No memory effect and no self-discharge. Mounting plate: EB1290000E (Sold separately). Specification System: The smart system....
Best Price: £358.00 from Merlin Cycles