Bosch PT 400 vs Bosch PT 500 Bes2: specs compared
Updated 05 September 2026.
500 Wh
Bosch PT 500 Bes2 wins on battery capacity
On battery capacity, Bosch PT 500 Bes2 leads: 500 Wh versus 400 Wh.
| Spec | Bosch PT 400 | Bosch PT 500 Bes2 |
|---|---|---|
| Capacity | 400 Wh | 500 Wh |
| Voltage | 36 V | 36 V |
| Rated capacity | 11.1 Ah | 13.4 Ah |
| Form | in-tube | in-tube |
| Charge port | Bosch eBike System 2 oval charge port | Bosch eBike System 2 oval charge port |
| Fits | Bosch eBike System 2 frames built for the 400/500 in-tube size | Bosch eBike System 2 frames built for the 400/500 in-tube size |
Questions and answers
Which has the higher battery capacity, Bosch PT 400 or Bosch PT 500 Bes2?
On battery capacity, Bosch PT 500 Bes2 leads: 500 Wh versus 400 Wh.
How do Bosch PT 400 and Bosch PT 500 Bes2 compare?
On battery capacity, Bosch PT 500 Bes2 leads: 500 Wh versus 400 Wh.