L24D3P71 57Wh 11.7V 3-Cell Li-ion Battery for Lenovo ThinkPad X1 Carbon 13th Gen & X1 2-in-1 Gen 10 Replaces L24B3P70 L24M3P70 5B11M90097 5B11M90098

Why You Need a Reliable 57Wh Battery for Your ThinkPad X1 Your Lenovo ThinkPad X1 Carbon 13th Gen or X1 2in1 Gen 10 is a premium ultraportable designed for business professionals who demand performance and portability. But even the best batteries degrade after a couple of years shorter runtime, sudden shutdowns, or swelling. Replacing it with a cheap, lowquality battery often leads to false capacity readings, overheating, or no warranty. OEM batteries from Lenovo are expensive. This L24D3P71 battery is different. We deliver a true 57Wh / 4875mAh capacity using brand new Grade A Liion cells.

What you see is what you get. Designed for Lenovo ThinkPad X1 Series This battery is a direct fit for the following models (Ctrl+F to search): Series Compatible Models ThinkPad X1 Carbon 13th Gen 21NS, 21NT, 21NX, 21NY ThinkPad X1 2in1 Gen 10 21NU, 21NV, 21Q0, 21Q1 Replaces OEM part numbers (partial list): Common P/N L24D3P71 / L24B3P70 / L24M3P70 SB11M89898 / SB11M89900 / SB11M89901 5B11M90097 / 5B11M90098 / 5B11M90099 / 5B11M90100

Specifications

You Can Trust Specification Detail Model L24D3P71 (compatible) Chemistry Liion Voltage 11.7V ( 11.4V and 11.7V are interchangeable) Capacity 57Wh / 4875mAh (true capacity) Cells 3Cell Color Black Certification IEC 621332:2017 Condition Brand new Grade A cells Warranty 30day return + 12 months What a Cheap or Fake Battery Costs You Short runtime Laptop dies halfway through a workday or flight. Fake capacity Label says 57Wh, but actual is 4550Wh. Swelling Dangerous bulging that can crack the palm rest or bottom case. Performance throttling CPU slows down to prevent random shutdowns. What Our Battery Delivers Feature Cheap Generic Our Premium Battery True Capacity 4550Wh (fake label) 57Wh (tested) Cells Recycled or lowgrade Brand new Grade A Runtime (light use) 56 hours 810+ hours Safety Certification None IEC 621332:2017 Swelling Risk High within months Low, proper BMS Warranty None or 30 days 30day return + 12 months Who Is This Battery For? Business professionals who need allday power for remote work and travel. IT departments managing fleets of ThinkPad X1 laptops. Anyone whose original battery is swollen or no longer holds a charge.

Safety & Reliability Every battery includes builtin protection against overcurrent, overvoltage, overheating, overcharge, overdischarge, and short circuits. Certified under IEC 621332:2017 safety standards. Grade A Liion cells ensure consistent power delivery. We test each unit before shipping. Installation Note Replacing the battery in the X1 Carbon 13th Gen and X1 2in1 Gen 10 is a CRU (Customer Replaceable Unit). Lenovo provides official selfrepair guides with stepbystep instructions. The battery is builtin and requires opening the bottom cover. Tools not included. Professional installation is recommended if youre not experienced. Whats Included 1 x L24D3P71 Replacement Battery (57Wh / 3cell) Before You Order Final Checklist My laptop is ThinkPad X1 Carbon 13th Gen (21NS, 21NT, 21NX, 21NY) or X1 2in1 Gen 10 (21NU, 21NV, 21Q0, 21Q1). My original battery part number is L24D3P71, L24B3P70, or L24M3P70. I understand that 11.4V and 11.7V are interchangeable for this model. I have reviewed the Lenovo selfrepair guide before attempting installation. If all boxes are checked, order with confidence.