Bosch CT 400 vs Bosch PP 400sm: specs compared
Updated 05 September 2026.
3
specs differ
Bosch CT 400 and Bosch PP 400sm differ on 3 specs: rated capacity, form, fits.
| Spec | Bosch CT 400 | Bosch PP 400sm |
|---|---|---|
| Capacity | 400 Wh | 400 Wh |
| Voltage | 36 V | 36 V |
| Rated capacity | about 11.1 Ah | 11 Ah |
| Form | compact in-tube | frame or rack mounted |
| Charge port | Bosch smart-system round charge port | Bosch smart-system round charge port |
| Fits | lightweight Bosch smart system (BES3) bikes using the CompactTube mount | Bosch smart system (BES3) bikes using an external PowerPack mount |
Questions and answers
How do Bosch CT 400 and Bosch PP 400sm compare?
Bosch CT 400 and Bosch PP 400sm differ on 3 specs: rated capacity, form, fits.