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Bosch Smart System (BES3)Which replacement battery fits a Tern GSD (Bosch smart system cargo)?
The replacement battery that fits a Tern GSD (Bosch smart system cargo), the charger it uses, and what not to buy.
Fits with the Bosch PowerPack 545 (smart system). A Tern GSD (Bosch smart system cargo) runs the Bosch Smart System (BES3), so the replacement battery is the Bosch PowerPack 545 (smart system) (545 Wh, 36 V, BES3).
| Bike | Tern GSD (Bosch smart system cargo) |
|---|---|
| Drive system | Bosch Smart System (BES3) |
| Battery that fits | Bosch PowerPack 545 (smart system) (545 Wh, 36 V, BES3) |
| Charge port | Bosch smart-system round charge port |
| Charger | Bosch Standard Charger 4A (smart system) |
The current Tern GSD cargo bike runs the Bosch Cargo Line smart system with a PowerPack 545, and dual-battery builds run two.
The GSD moved from a BES2 PowerPack 400/500 to the smart-system 545; the two generations are not interchangeable.
Sources: Urban Arrow Service Center, Differences between Bosch eBike System 2 (BES2) and Smart System (BES3) · Qiolor, Bosch e-bike motor compatibility explained · Bosch eBike Systems, PowerTube and CompactTube batteries · Clever Cycles, Bosch Standard Charger 4A Smart System