Original battery Lenovo X1 Carbon 10 11 X1 Yoga 7 8

🔧 Internal Battery for Lenovo ThinkPad X1 Carbon Gen 10 🔧

🖥️ Model L20D4P71 | 57 Wh | FRU 5B10W13975 | Li-ion 4-cell

⚙️ PRODUCT OVERVIEW

Genuine Lenovo internal battery (model L20D4P71) removed from a ThinkPad X1 Carbon Gen 10 laptop. A 4-cell lithium-ion pack (4ICP5/41/108), manufactured by Sunwoda Electronic for Lenovo. The battery is fully functional, with its health confirmed by the Windows battery report and HWiNFO readout.

📋 TECHNICAL SPECIFICATIONS

Part name: Internal Battery
Brand: Lenovo ThinkPad
Compatible model: X1 Carbon Gen 10
Cell manufacturer: Sunwoda Electronic Co., Ltd.
Battery model: L20D4P71
Voltage: 15.44 V
Design capacity: 57 Wh / 3692 mAh
Rated capacity: 56 Wh / 3600 mAh
Limited charging voltage: 17.8 V
Cell chemistry: Li-ion, 4-cell
Manufacture date: October 2022
Condition: Used (removed from a working device, tested)
FRU: 5B10W13975
ASM P/N: SB10T83218
Substitute part number: 5B11M90058

📊 TECHNICAL CONDITION

The battery was checked using the Windows battery report and HWiNFO:
• full charge capacity: 47.99 Wh (47990 mWh)
• design capacity: 57.00 Wh (57000 mWh)
• wear level: 15.8%
• charge cycle count: 172
• operating temperature: 25°C
The battery retains approximately 84% of its original capacity, and with only 172 charge cycles this indicates moderate use and good cell condition.

🌟 KEY ADVANTAGES

🔹 Genuine Lenovo component - guaranteed exact mechanical and electrical fit with the X1 Carbon Gen 10.
🔹 Approx. 84% capacity retained - real-world battery runtime close to that of a fresh unit of this generation.
🔹 Low cycle count (172) - the battery was used moderately, far from end-of-life wear.
🔹 Verified condition before shipping - Windows battery report and HWiNFO data confirm actual cell health, not just a seller's claim.
🔹 Cost-effective alternative - significantly cheaper than a new battery while retaining strong functionality.

🔢 COMPATIBILITY WITH LENOVO LAPTOPS

According to official Lenovo documentation, this battery (FRU 5B10W13975, substitute part number 5B11M90058) is compatible with the following ThinkPad models:
• X1 Carbon 10th Gen (Type 21CB, 21CC)
• X1 Yoga 7th Gen (Type 21CD, 21CE)
• X1 Carbon 11th Gen (Type 21HM, 21HN)
• X1 Yoga 8th Gen (Type 21HQ, 21HR)

❓ WHEN SHOULD YOU REPLACE THE BATTERY?

• Noticeably shorter battery runtime compared to the original factory performance
• Laptop shutting down unexpectedly despite showing remaining charge
• Swollen battery casing or visible deformation of the laptop's bottom cover
• System notification prompting a battery replacement (e.g. "Consider replacing your battery")

🔧 INSTALLATION

1. Turn 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 motherboard.
4. Remove the screws securing the battery to the chassis.
5. Take out the old battery and insert the new one in the same position.
6. Fasten the mounting screws and reconnect the connector to the motherboard.
7. Close the cover, boot the laptop, and verify the battery is correctly detected by the system.
Installation by a qualified technician or an experienced user is recommended.

🎯 INTENDED USE

This battery is intended for Lenovo ThinkPad X1 Carbon Gen 10 laptops and compatible X1 Yoga Gen 7/8 and X1 Carbon Gen 11 models. It is a good choice for users whose original battery has lost capacity or failed, and who are looking for a working, tested replacement without buying a brand new unit. The exact appearance and condition of the offered item are shown in the listing photos.

✅ COMPATIBILITY GUARANTEE

This battery was removed from a working Lenovo ThinkPad X1 Carbon Gen 10 laptop and thoroughly checked before listing. We guarantee full compatibility under FRU number 5B10W13975 and functionality in line with the stated parameters. In case of any compatibility issues, we offer a hassle-free return within 14 days.

📞 NEED HELP? CONTACT OUR EXPERTS!

Do you have questions about the battery for your Lenovo ThinkPad X1 Carbon Gen 10? Our specialists will be happy to help you choose the right part. Contact us!
📱 Phone: +48-601-415357
📧 Email: sklep@abcdeal.pl

🦁 ABCDEAL - Your Trusted Lenovo Parts Specialist

We have been specializing in delivering genuine Lenovo laptop parts for years. Every used component in our offer goes through thorough quality checks before being listed for sale. Trust the experts and restore your ThinkPad's full mobility.

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