What Battery Does a Lenovo ThinkPad Helix Take?
Lenovo ThinkPad Helix
This laptop uses 2 separate batteries — here is what fits each.
Rear battery
Part number
45N1103— seen in 6 reports
- Manufacturer
- SMP
- Capacity
- 42 Wh
- Voltage
- 11.10 V
- Chemistry
- Li-poly
Based on 6 reports.
Bottom battery
Part number
45N1101— seen in 5 reports
- Manufacturer
- SMP
- Capacities observed
- 28.1 Wh, 27.6 Wh
- Voltage
- 14.80 V
- Chemistry
- Li-poly
This model legitimately shipped with multiple capacities in this slot — match the Wh rating on your existing battery’s label.
Based on 5 reports.
Based on 6 independent hardware reports for the Lenovo ThinkPad Helix.
Before you order: check the part number printed on the label of your current battery against the numbers above. Vendors frequently ship different battery suppliers — or entirely different capacities — under the very same model name, so the printed part number is the only way to be certain of a fit.
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Rear battery
Bottom battery
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How we know
This answer is derived from 6 independent hardware reports for the Lenovo ThinkPad Helix, of which 100% agree. We publish a model only when the reports agree overwhelmingly.
Check it yourself
On Windows, open a terminal and run powercfg /batteryreport, then open the generated HTML report — it names the battery’s model and part number. On Linux, run upower -i /org/freedesktop/UPower/devices/battery_BAT0. On any laptop, the surest method is the label printed on the battery itself, visible once you remove the back panel.
More Lenovo laptops
Battery part numbers derived from linuxhw/DMI, licensed CC-BY-4.0.