Battery Lenovo X1 Carbon 9 10 11 X1 Yoga 6 7 8 L20D4P71 | 5B10W13975

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

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

⚙️ PRODUCT CHARACTERISTICS

Genuine Lenovo internal battery (model L20D4P71) compatible with ThinkPad X1 Carbon Gen 9, Gen 10, Gen 11 and X1 Yoga Gen 6, Gen 7, Gen 8 laptops. This unit was removed from a working laptop and is in perfect technical condition - 0% wear despite 182 charge cycles. Lithium-ion cell in a 4-cell configuration (4ICP5/41/108), manufactured by Sunwoda Electronic for Lenovo.

📋 TECHNICAL DATA

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: Sunwoda Electronic Co., Ltd.
Battery model: L20D4P71
Voltage: 15.44 V
Design capacity: 57 Wh / 3692 mAh
Rated capacity: 56 Wh / 3600 mAh
Charging voltage limit: 17.8 V
Cell chemistry: Li-ion, 4-cell
Manufacture date: 22 January 2022
Cell serial number: 8729
Condition: Used (removed from a working device, tested), perfect condition
FRU: 5B10W13975
ASM P/N: SB10T83218
Alternative part number: 5B11M90058

📊 TECHNICAL CONDITION

The battery was checked with HWiNFO and the Lenovo Vantage app:
• full charge capacity: 56.99 Wh (56990 mWh)
• design capacity: 57.00 Wh (57000 mWh)
• wear level: 0.0%
• charge cycle count: 182
• operating temperature: 19°C
Despite 182 charge cycles, the battery has retained virtually 100% of its original capacity - condition identical to a brand-new unit, a result far better than average for this many cycles.

🌟 KEY ADVANTAGES

🔹 One battery, six compatible models - fits ThinkPad X1 Carbon Gen 9/10/11 and X1 Yoga Gen 6/7/8, so it works whichever of these laptops you're repairing.
🔹 0% wear despite 182 cycles - real-world battery life identical to a new unit, regardless of which of the six compatible models it goes into.
🔹 Far better than average result - most batteries lose several percent of capacity after this many cycles; this one retained all of it.
🔹 Tested before shipping - HWiNFO and Lenovo Vantage data confirm the real cell condition, not just the seller's claim.
🔹 Budget-friendly alternative - significantly cheaper than a new battery, with performance identical to new.

🔢 COMPATIBILITY WITH LENOVO LAPTOPS

According to official Lenovo documentation, this battery (FRU 5B10W13975, alternative part number 5B11M90058) is compatible with the following ThinkPad models:
• X1 Carbon 9th generation (Type 20XW, 20XX)
• X1 Yoga 6th generation (Type 20XY, 20Y0)
• X1 Carbon 10th generation (Type 21CB, 21CC)
• X1 Yoga 7th generation (Type 21CD, 21CE)
• X1 Carbon 11th generation (Type 21HM, 21HN)
• X1 Yoga 8th generation (Type 21HQ, 21HR)
The same battery works identically in all six models - the differences relate only to the laptop chassis, not the cell itself.

❓ WHEN SHOULD YOU REPLACE THE BATTERY?

• Short battery runtime on X1 Carbon Gen 9/10/11 or X1 Yoga Gen 6/7/8 compared to factory performance
• The laptop suddenly shuts down despite showing remaining charge
• A swollen battery causing visible deformation of the laptop's bottom cover
• A system message about needing to replace the battery (e.g. "Replace battery")

🔧 INSTALLATION PROCESS

1. Turn off the laptop (any of the X1 Carbon Gen 9/10/11 or X1 Yoga Gen 6/7/8 models) and disconnect the power supply and all external devices.
2. Remove the screws securing the bottom cover and carefully lift it off.
3. Disconnect the battery connector from the motherboard.
4. Remove the screws securing the battery to the chassis.
5. Remove the old battery and insert the new one in the same position.
6. Secure the screws and reconnect the connector to the motherboard.
7. Close the chassis, power on the laptop and confirm the battery is detected correctly.
We recommend having the replacement performed by a technical service or someone experienced in laptop repairs.

🎯 APPLICATION

This battery is designed for Lenovo ThinkPad X1 Carbon Gen 9, Gen 10, Gen 11 and X1 Yoga Gen 6, Gen 7, Gen 8 laptops. It's an excellent choice for anyone whose original battery in any of these six models has lost capacity or failed, and who is looking for a working replacement in condition virtually indistinguishable from new. The exact appearance and condition of the offered item are shown in the listing photos.

✅ COMPATIBILITY GUARANTEE

The offered battery was removed from a working Lenovo laptop and thoroughly tested before listing. We guarantee full compatibility for FRU 5B10W13975 with the X1 Carbon Gen 9/10/11 and X1 Yoga Gen 6/7/8 models, and functionality matching the stated parameters. In case of any compatibility issues, we offer a hassle-free 14-day return.

📞 NEED HELP? CONTACT OUR EXPERTS!

Do you have questions about this battery for your Lenovo ThinkPad X1 Carbon Gen 9/10/11 or X1 Yoga Gen 6/7/8? 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. Every used component in our offer goes through thorough quality checks before being sold. Trust the experts and restore your ThinkPad to full working order.

🎯 Choose the professionals - invest in quality!

By choosing a tested battery for your Lenovo ThinkPad X1 Carbon Gen 9/10/11 or X1 Yoga Gen 6/7/8 from our offer, you invest in real battery life identical to a new battery. Rely on the experience of ABCDEAL specialists and restore your laptop's full mobility.

Useful information:
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🔗 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