Charger Bosch Bes2 4A vs Charger Bosch Smart 4A: specs compared
Updated 05 September 2026.
3
specs differ
Charger Bosch Bes2 4A and Charger Bosch Smart 4A differ on 3 specs: connector, systems it charges, fits.
| Spec | Charger Bosch Bes2 4A | Charger Bosch Smart 4A |
|---|---|---|
| Charge current | 4 A | 4 A |
| Connector | Bosch eBike System 2 oval charge port | Bosch smart-system round charge port |
| Output | 36 V nominal pack | 36 V nominal pack |
| Systems it charges | Bosch eBike System 2 (BES2) | Bosch Smart System (BES3) |
| 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 | Bosch smart system (BES3) PowerTube 250/500/540/600/625/750/800, PowerPack 400/500/545/725/800, CompactTube 400 and PowerMore 250 |
Questions and answers
How do Charger Bosch Bes2 4A and Charger Bosch Smart 4A compare?
Charger Bosch Bes2 4A and Charger Bosch Smart 4A differ on 3 specs: connector, systems it charges, fits.