Bosch PT 400 vs Bosch PT 625sm: specs compared
Updated 05 September 2026.
625 Wh
Bosch PT 625sm wins on battery capacity
On battery capacity, Bosch PT 625sm leads: 625 Wh versus 400 Wh.
| Spec | Bosch PT 400 | Bosch PT 625sm |
|---|---|---|
| Capacity | 400 Wh | 625 Wh |
| Voltage | 36 V | 36 V |
| Rated capacity | 11.1 Ah | about 16.7 Ah |
| Form | in-tube | in-tube, vertical or horizontal |
| Charge port | Bosch eBike System 2 oval charge port | Bosch smart-system round charge port |
| Fits | Bosch eBike System 2 frames built for the 400/500 in-tube size | Bosch smart system (BES3) bikes only |
Questions and answers
Which has the higher battery capacity, Bosch PT 400 or Bosch PT 625sm?
On battery capacity, Bosch PT 625sm leads: 625 Wh versus 400 Wh.
How do Bosch PT 400 and Bosch PT 625sm compare?
On battery capacity, Bosch PT 625sm leads: 625 Wh versus 400 Wh.