The Li-ion replacement battery for the L20C4P71 is made for Lenovo ThinkPad X1 Carbon Gen 9 laptops, and it can be used as a replacement when the original battery no longer holds a charge or has a reduced battery life.
It includes the battery types listed, such as L20C4P71, L20D4P71, L20L4P71, and L20M4P71. The specifications vary depending on the original battery model and are 15.44V / 15.48V and 56Wh / 57Wh.
Key Features
- Brand-new replacement battery
- Rechargeable Lithium-ion (Li-ion) battery
- Designed for compatible Lenovo ThinkPad X1 Carbon Gen 9 laptops
- Compatible with the listed battery part numbers
- Black battery housing
- Includes a 12-month warranty
Compatibility Summary
This replacement battery is listed for the following Lenovo laptop models:
- Lenovo ThinkPad X1 Carbon Gen 9
- Lenovo ThinkPad X1 Carbon Gen 9 (2021)
- Lenovo ThinkPad X1 Carbon G9-20XW
Check the model number and original battery part number before ordering to confirm compatibility.
Compatible Battery Part Numbers
This battery is listed as a replacement for the following part numbers:
- L20C4P71
- L20D4P71
- L20L4P71
- L20M4P71
- SB10T83217
- SB10T83218
- SB10T83215
- SB10T83216
- 5B10W13974
- 5B10W13975
- 5B10W13972
- 5B10W13973
- 41CP5/41/108
Compatible Laptop Models
Lenovo ThinkPad X1 Carbon Series
- ThinkPad X1 Carbon Gen 9
- ThinkPad X1 Carbon Gen 9 (2021)
- ThinkPad X1 Carbon G9-20XW
Product Specifications
| Specification | Details |
|---|---|
| Battery Model | L20C4P71 / L20D4P71 / L20M4P71 |
| Battery Type | Lithium-ion (Li-ion) |
| Voltage | 15.44V / 15.48V |
| Capacity | 56Wh / 57Wh |
| Color | Black |
| Condition | Brand New |
| Warranty | 12 Months |
| Compatible Brand | Lenovo |
When Should You Replace Your Laptop Battery?
You may need a replacement battery if your ThinkPad X1 Carbon Gen 9:
- Runs for less time than it used to on a full charge
- Shuts down unexpectedly when unplugged
- Does not hold a charge properly
- Shows a battery warning or reports reduced battery health
Check your laptop’s battery status before replacing the battery.
How to Confirm Compatibility
Before placing your order:
- Confirm that your laptop is a Lenovo ThinkPad X1 Carbon Gen 9 or another model listed above.
- Check the model or part number printed on your original battery.
- Match the part number against the compatible references on this page.
- Compare the voltage and capacity with your original battery.
- If the part number or specifications differ, contact us to confirm compatibility.
What’s Included
- 1 × Replacement Laptop Battery
Warranty & Support
This battery comes with a 12-month warranty. Please confirm your laptop model and original battery part number before ordering. Contact the seller if you need help checking compatibility.
