Charger Bosch Bes2 4A vs Charger Spec Rosenberger: specs compared
Updated 05 September 2026.
4
specs differ
Charger Bosch Bes2 4A and Charger Spec Rosenberger differ on 4 specs: connector, output, systems it charges, fits.
| Spec | Charger Bosch Bes2 4A | Charger Spec Rosenberger |
|---|---|---|
| Charge current | 4 A | 4 A |
| Connector | Bosch eBike System 2 oval charge port | Rosenberger / Magcode magnetic charge connector |
| Output | 36 V nominal pack | 42 V charge, 100 to 240 V input |
| Systems it charges | Bosch eBike System 2 (BES2) | Brose Drive / Specialized Turbo (Full Power) |
| Fits | Bosch eBike System 2 Active Line, Active Line Plus, Performance Line and Performance Line CX bikes with any BES2 PowerPack (frame or rack) or PowerTube using the oval charge port | Specialized Turbo Levo and Kenevo M2 and M3 batteries via the Rosenberger magnetic port |
Questions and answers
How do Charger Bosch Bes2 4A and Charger Spec Rosenberger compare?
Charger Bosch Bes2 4A and Charger Spec Rosenberger differ on 4 specs: connector, output, systems it charges, fits.