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Tern HSD S8i (2020) battery
The Tern HSD S8i runs on a 36V 11Ah (396 Wh) battery rated for up to 90 miles.
36 Vnominal voltage
396 Whbattery capacity
90 mimax range
8replacement packs listed
Battery specifications
- Nominal voltage
- 36 V
- Capacity
- 11 Ah
- Energy
- 396 Wh
- Battery brand / cells
- Bosch PowerPack 400, 18650 Cells
- Chemistry and layout
- Lithium-ion
- Battery weight
- 5.5 lb
- Charge time
- 3.5 hours
- Estimated range
- 40–90 miles
- Motor
- Bosch Active Line Plus (Gen 3), Mid-Mounted Geared Motor, 250W nominal
- Torque
- 50 Nm
- Class
- Pedal Assist (Class 1)
- Launch price
- $3,799
Efficiency at max range: about 4.4 Wh per mile.
Packs with matching voltage and capacity
Packs at 36V with at least 356 Wh
| Pack | Seller | Type | Voltage | Capacity | Price |
|---|---|---|---|---|---|
| Hailong Li-ion Battery S039-3 36V 48V 10AH 15AH BMS30A 21700 LG5000 Cells 4 PIN Cheapest | Unit Pack Power | Aftermarket | 36 V | 360 Wh | $155 |
| Hailong Ebike Battery S039 36V 48V 12Ah 15Ah 18650 Cells Electric Bike Battery | Unit Pack Power | Aftermarket | 36 V | 432 Wh | $200 |
| Rear Rack EBike Battery R006 36V 13Ah 17.5Ah BMS20A Lithium Battery Pack For 250 | Unit Pack Power | Aftermarket | 36 V | 468 Wh | $206 |
| Hailong Ebike Battery S039 36V 48V 14Ah BMS30A 18650 LG3500mAh Cells Electric Bi | Unit Pack Power | Aftermarket | 36 V | 504 Wh | $212 |
| Accord / eLo Electric Bike Battery - 36V 10.4Ah | Gotrax | OEM | 36 V | 374 Wh | $225 |
| Hailong EBike Battery S039-3 36V 48V 13Ah 15Ah BMS25-30A Lithium Battery For 350 | Unit Pack Power | Aftermarket | 36 V | 468 Wh | $225 |
| 6PIN EBike Battery S220 36V 48V 15Ah 20AH BMS30A LG 5000mah Cells Lithium Batter | Unit Pack Power | Aftermarket | 36 V | 540 Wh | $227 |
| EBike Battery D034 36V 48V 60V 72V 20Ah 25Ah 40Ah PVC Lithium Battery Pack For 3 Best $/Wh | Unit Pack Power | Aftermarket | 36 V | 720 Wh | $235 |
Tern has 1 related CPSC recall. iLive Self-Balancing Scooters/Hoverboards Recalled by Digital Products Due to Fire Hazard (2017-11-14).
Other Tern batteries
More Tern models
| Model | Year | Battery | Capacity |
|---|---|---|---|
| GSD S10 (Gen3) | 2025 | – | 545 Wh |
| Quick Haul P9 | 2023 | 36V 11Ah | 396 Wh |
| HSD P9 | 2021 | 36V 11Ah | 396 Wh |
| GSD S00 | 2019 | 36V 13.4Ah | 482 Wh |
| Vektron Q9 | 2019 | 36V 11Ah | 396 Wh |
| GSD | 2018 | 36V 11Ah | 396 Wh |
| Vektron | 2017 | 36V 11Ah | 396 Wh |
| Link D8 with BionX | 2015 | 48V 6.6Ah | 317 Wh |
Frequently asked questions
What battery does the Tern HSD S8i use?
The Tern HSD S8i (2020) uses a 36V 11Ah, 396 Wh battery from Bosch PowerPack 400, 18650 Cells (Lithium-ion).
How far can the Tern HSD S8i go on one charge?
Estimated range is 40 to 90 miles depending on assist level, rider weight, terrain and temperature.
Can I use a bigger battery on the Tern HSD S8i?
A higher amp-hour pack at the same 36V voltage adds range, as long as it fits the mount and connector. Do not use a higher-voltage pack unless the controller is rated for it.