Bosch Rechargeable Battery Adaptor 2 Description: The Bosch Rechargeable Battery Adaptor 2 is a part that is designed to connect PowerTube batteries to e-bikes equipped with Bosch's The Smart System drivetrain components. Rugged and durable construction ensures this connection can hold up to prolonged outdoor exposure, and the design of this adapter allows for an easier battery swap and future upgrades. Features: Adapter to connect select Bosch batteries to an e-bike with the charging socket integrated into the frame Made out of durable, weather resistant materials for great durability and heavy outdoor use Has one battery cable connection, and one charging socket cable connection Makes it easier to swap the battery out for servicing and potential upgrades Designed specifically to work with Bosch's The Smart System Compatible with PowerTube and PowerPack frame batteries