Bosch PowerPack 400 (smart system): 400 Wh, 36 V, frame or rack mounted. Which e-bikes it fits, the charge port it uses, and the drive systems it will not work with.
Updated 05 September 2026.
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Bosch PowerPack 400 (smart system) (400 Wh, 36 V, BES3 frame/rack): specs and what it fits
What the Bosch PowerPack 400 (smart system) measures, the drive system it belongs to, and the bikes it fits.
| Capacity | 400 Wh |
|---|---|
| Voltage | 36 V |
| Rated capacity | 11 Ah |
| Form | frame or rack mounted |
| Charge port | Bosch smart-system round charge port |
| Fits | Bosch smart system (BES3) bikes using an external PowerPack mount |
Fits: Bosch smart system (BES3) bikes using an external PowerPack mount.
The smart-system PowerPack 400 is the small external BES3 pack. It uses the smart-system round port and is not interchangeable with the BES2 PowerPack 400 despite the shared name and similar shape.
It charges through the Bosch smart-system round charge port.
Questions and answers
What is the capacity of the Bosch PowerPack 400 (smart system) (400 Wh, 36 V, BES3 frame/rack)?
400 Wh
What is the voltage of the Bosch PowerPack 400 (smart system) (400 Wh, 36 V, BES3 frame/rack)?
36 V
What is the rated capacity of the Bosch PowerPack 400 (smart system) (400 Wh, 36 V, BES3 frame/rack)?
11 Ah
What is the form of the Bosch PowerPack 400 (smart system) (400 Wh, 36 V, BES3 frame/rack)?
frame or rack mounted