🔧 Battery for Lenovo ThinkPad X1 Carbon Gen 9 / 10 / 11 / X1 Yoga Gen 6 / 7 / 8 🔧

🖥️ Model L20M4P71 | 57 Wh | FRU 5B10W13973 | Li-ion 4-cell

Genuine Lenovo internal battery (model L20M4P71) compatible with the ThinkPad X1 Carbon Gen 9, Gen 10, Gen 11 and X1 Yoga Gen 6, Gen 7, Gen 8. Part sourced from a working ThinkPad X1 Yoga Gen 6 and tested - we guarantee 100% functionality. FRU number 5B10W13973 ensures full compatibility with the listed models.

⚙️ PRODUCT DESCRIPTION

4-cell lithium-ion battery (4ICP5/41/108), manufactured by Simplo Technology for Lenovo. Voltage 15.44 V, design capacity 57 Wh. This unit has 1028 charge cycles and retains 62% of its original capacity (35.72 Wh of 57.05 Wh), as confirmed by a diagnostic software reading. Runtime is correspondingly shorter than with a new battery. The battery works properly, charges and holds its charge.

📋 TECHNICAL SPECIFICATIONS

Part name: Internal battery
Brand: Lenovo ThinkPad
Compatible models: X1 Carbon Gen 9, X1 Carbon Gen 10, X1 Carbon Gen 11, X1 Yoga Gen 6, X1 Yoga Gen 7, X1 Yoga Gen 8
Cell manufacturer: Simplo Technology (Chong Qing) Inc.
Battery model: L20M4P71
Voltage: 15.44 V
Typical capacity: 57 Wh / 3695 mAh
Rated capacity: 56 Wh / 3610 mAh
Limited charging voltage: 17.8 V
Chemistry: Li-ion, 4-cell (4ICP5/41/108)
Condition: Used (removed from a working unit, tested), 62% of original capacity, 1028 cycles
FRU: 5B10W13973
ASM P/N: SB10T83216
Substitute numbers: 5B11M90056, 5B11M90057, 5B11M90058, 5B10W13974, 5B10W13975, 5B10W13972
Lenovo description: Lenovo BATTERY, 15.44V, 57Wh, 4cell

📊 TECHNICAL CONDITION

The battery has been checked with diagnostic software:
• full charge capacity: 35.72 Wh (35720 mWh)
• design capacity: 57.05 Wh (57050 mWh)
• health: 62% of original capacity (wear level 37.4%)
• charge cycles: 1028
• charge level at reading: 97% (34.66 Wh), voltage 16.8 V, charging works correctly
• system identifier: 5B11M90056 (SMP)

🌟 KEY ADVANTAGES

🔹 Genuine Lenovo part - perfect fit and reliability
🔹 One battery, six models - fits the ThinkPad X1 Carbon Gen 9/10/11 and X1 Yoga Gen 6/7/8, whichever of these laptops you are repairing
🔹 Real condition stated up front - 62% capacity and 1028 cycles come from an actual reading, not a seller's claim, so you know exactly what to expect
🔹 About 60% of a new battery's runtime - the laptop works unplugged again, e.g. through a meeting or a train journey
🔹 Cost-effective alternative - much cheaper than a new battery while the laptop regains its mobility

🔢 PART NUMBERS

FRU: 5B10W13973
Substitute numbers: 5B11M90056, 5B11M90057, 5B11M90058, 5B10W13974, 5B10W13975, 5B10W13972
ASM P/N: SB10T83216
Battery model: L20M4P71
Laptop models:
• X1 Carbon Gen 9 (Type 20XW, 20XX)
• X1 Yoga Gen 6 (Type 20XY, 20Y0)
• X1 Carbon Gen 10 (Type 21CB, 21CC)
• X1 Yoga Gen 7 (Type 21CD, 21CE)
• X1 Carbon Gen 11 (Type 21HM, 21HN)
• X1 Yoga Gen 8 (Type 21HQ, 21HR)

❓ WHEN SHOULD THE BATTERY BE REPLACED?

• The laptop lasts only a few dozen minutes without the charger
• The charge level jumps, e.g. from 30% straight to 5%, and then the laptop shuts down
• The battery won't charge past a certain level or the system shows "plugged in, not charging"
• Lenovo Vantage or Windows warns that the battery needs replacing
• A swollen battery lifts the bottom cover or the touchpad

🔧 INSTALLATION PROCESS

1. Power off the laptop and disconnect the power supply and all external devices
2. Remove the screws securing the bottom cover and carefully take it off
3. Disconnect the battery connector from the system board
4. Remove the battery screws and take out the old battery
5. Insert the new battery, screw it in and connect it to the system board
6. Refit the bottom cover
7. Connect the charger, start the laptop and check that the battery is detected and charging
Installation by a technician or a person experienced in laptop repairs is recommended.

🎯 INTENDED USE

For users and repair shops who want to restore unplugged use of a ThinkPad X1 Carbon Gen 9/10/11 or X1 Yoga Gen 6/7/8 at a reasonable price. A good choice when the current battery lasts only a few dozen minutes or the laptop shuts down as soon as the charger is unplugged. The exact appearance and condition of the item are shown in the photos.

✅ COMPATIBILITY GUARANTEE

The battery on offer has been carefully checked and matched to the Lenovo ThinkPad X1 Carbon Gen 9/10/11 and X1 Yoga Gen 6/7/8. We guarantee full compatibility for FRU 5B10W13973 and 100% functionality. If any compatibility issue occurs, we offer a hassle-free return within 14 days.

📞 NEED HELP? CONTACT OUR EXPERTS!

Do you have questions about the compatibility of this battery with your ThinkPad X1 Carbon or X1 Yoga? Our specialists will be happy to assist you. Contact us!
📱 Phone: +48-601-415357
📧 Email: sklep@abcdeal.pl

🦁 ABCDEAL - Your Trusted Lenovo Parts Specialist

We have been specialising in delivering genuine Lenovo laptop parts for years. Our experience allows us to offer top-quality products that meet the expectations of even the most demanding customers. Trust the experts and restore your ThinkPad X1 Carbon or X1 Yoga to full working order.

🎯 Choose professionals - invest in high quality!

By choosing a genuine battery for the Lenovo ThinkPad X1 Carbon and X1 Yoga from our offer, you invest in reliability and a laptop that works away from the socket again. Benefit from the experience of ABCDEAL specialists and bring your laptop back to full functionality.

Useful information:
📦 Want to know more about shipping and return conditions? Click here
❓ Have additional questions? Check our FAQ
🔗 All parts for this model: ThinkPad X1 Carbon spare parts
🔗 All parts for this model: Lenovo ThinkPad Yoga (convertible) spare parts
📘 Guide: Lenovo laptop main battery - how to choose