The L18M4P72 (also L18C4P71 / L18L4P71 / SB10K97644 / SB10K97642 / 02DL004 / 02DL005 / 02DL006) is the OEM replacement battery for Lenovo ThinkPad X1 Yoga 4th Gen (2019), X1 Yoga 5th Gen (2020), X1 Carbon 7th Gen (2019), and X1 Carbon 8th Gen (2020). Rated at 51Wh / 15.4V / 3325mAh, Li-ion 4-cell. Supports 20V 3.25A Type-C charging. Ships 100% brand new. Backed by a 1-year warranty.
Product Specifications
| Attribute | Details |
|---|---|
| Battery Model | L18M4P72 / L18C4P71 / L18L4P71 |
| Capacity | 3325mAh / 51Wh |
| Voltage | 15.4V |
| Charging Input | 20V 3.25A Type-C |
| Battery Type | Li-ion (4-cell) |
| Cell Origin | Made in China |
| Color | Black |
| Warranty | 1-Year Warranty |
| Condition | 100% Brand New |
Compatible Part Numbers
- L18M4P72
- L18C4P71
- L18L4P71
- SB10K97644
- SB10K97642
- SB10K97643
- SB10T83174
- SB10T83173
- 02DL006
- 02DL004
- 02DL005
- 5B10W13930
- 5B10W13931
- 5B10W13932
Compatible Laptop Models
- Lenovo ThinkPad X1 Yoga 4th Gen (2019)
- Lenovo ThinkPad X1 Yoga 5th Gen (2020)
- Lenovo ThinkPad X1 Carbon 7th Gen (2019)
- Lenovo ThinkPad X1 Carbon 8th Gen (2020)
Flex-3 Compatibility Note
Q: Does L18M4P72 fit ThinkPad X1 Yoga 3rd Gen or X1 Carbon 6th Gen?
No. The L18M4P72 / L18C4P71 (15.4V, 51Wh, Type-C) is designed exclusively for the X1 Yoga 4th/5th Gen and X1 Carbon 7th/8th Gen. The X1 Yoga 3rd Gen uses L17M4P71 (15.36V, 54Wh) and X1 Carbon 6th Gen uses 01AV409 (15.2V, 56Wh). These batteries are not cross-compatible. Always verify your ThinkPad generation before ordering.
Why Choose This Battery
Engineered specifically for Lenovo ThinkPad X1 Yoga and X1 Carbon series. Restores full 51Wh capacity for business professionals and power users who demand all-day performance. Type-C fast charging (20V 3.25A) compatible. Multi-layer safety protection against overcharge, over-discharge, short-circuit, and thermal events. Backed by a 1-year warranty.
Note:
This is not a complete list or inclusion of all compatible laptop models. You can open the back of your laptop to check the original battery model. If you have any compatibility questions, please contact us online.The casing is made of durable materials, the mainboard adopts advanced technology, and the battery core is produced with high-quality raw materials to ensure that it will not be damaged after long-term use.
Our products are equipped with multiple protection technologies such as overvoltage, overcurrent, and overcharge to effectively protect the safety of batteries and equipment.
Shipping Methods
| Shipping Methods | Ship To | Est. Delivery Time | Shipping Cost | Taxes & Fees |
|---|---|---|---|---|
| USPS / DHL | United States | 10-15 business days | Free | Free |
| Canada Post | Canada | 10-15 business days | Free | Free |
| Royal Mail / Yodel | United Kingdom | 15-20 business days | Free | Free |
| DHL | Germany | 15-20 business days | Free | Free |
| La Poste | France | 15-20 business days | Free | Free |
| Correios | Mexico/Spain/IT | 15-25 business days | Free | Free |
| Local Carriers | SE Asia / East Asia | 5-10 business days | Free | Free |
| Local Carriers | Rest of Europe | 20-25 business days | From $5.99 | Free |
| Local Carriers | UAE / Saudi Arabia / Israel | 16-20 business days | From $7.99 | Free |
📦 Shipping & Tracking Information
Looking for faster shipping? We offer local warehousing services. Please visit our "Local Delivery" page for items available for immediate dispatch.
1. How to Track Your Package:
Please choose the tracking link that corresponds to your destination:
- Europe & The Americas: 17track.net/en
- The Middle East: mena56.com
- Asia: 17exp.kingtrans.cn
Need Help?
If you cannot find your package on any of the above websites, please contact us immediately.
📧 Email: sales@batterymall.com / info@batterymall.com
📱 WeChat/WhatsApp: (+86) 198 6775 1872 / (+86) 191 2767 3310
🚚 Estimated Delivery Time
(1) Shipping from China:
- To Asia: 5-20 business days
- To North America: 10-15 business days
- To Europe/South America: 15-20 business days
(2) Shipping from Local Warehouses:
- From US Warehouse: 3-5 business days
- From European Warehouse: 2-10 business days
- From Russian Warehouse: 3-5 business days
Please note: Exact arrival times depend on the specific country and customs processing.
⚠️ Tax & Customs Information:
Global product prices include customs duties (some countries require a tax ID). Please refer to the settlement invoice for specific shipping costs. Special handling is required if your package is inspected.
Payment Methods
Paypal
Payments by PayPal, no PayPal account required. Paypal is safe and free for buyers.
PayPal account: Payment@batterymall.com
Account Name: ShenZhen KingSener Science and Technology Co., Ltd
Credit or debit card
VISA, MasterCard, the United States n Express,Maestro & Laser Card, APPLE Pay,etc.
PayPal never shares your financial information with us.
WeChat Pay
Currently only supports QR code payment. Please contact WeChat customer service and go to WeChat App to scan the QR code to complete the payment.
Google Pay
Pay with Google Pay, which is more convenient and faster.
Apple Pay
If you use an Apple device, you can use Apple Pay to pay, which is more convenient and faster.
Bank Transfer
Q&A
Quick FAQ:Laptop Battery Care & Troubleshooting
- How long does a KingSener battery last?2 to 3 years (approx. 500-800 charge cycles) under normal temperatures.
- Laptop says "Battery Not Detected". How to fix?1. Hard Reset: Unplug AC, remove battery, hold power button for 30 seconds.
2. Clean Contacts: Wipe metal connection pins.
3. Reset Drivers: Uninstall battery drivers in Device Manager, then restart.
4. Update BIOS: Ensure motherboard firmware is up to date. - Can I leave my laptop plugged in 24/7?Yes, the built-in TI chip prevents overcharging. Tip: To prevent long-term cell swelling, unplug and drain the battery to 40% twice a month.
- How do I store a laptop battery long-term?Store it at 50% charge in a cool, dry place. Never store at 0% or 100%. Cycle the battery every 3 months to maintain chemical activity.
-
Are KingSener batteries safe?Yes. All batteries feature built-in IC protection against short-circuits, over-voltage, and overheating. Fully CE, FCC, and RoHS certified.