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New L20D4P73 54.7Wh 15.36V 4-Cell Li-ion Battery for Lenovo ThinkPad X13 Gen 2 (20WK/20XH) Gen 3 (21BN/21BQ) Replaces L20M4P73 L20C4P73 Grade A Cells
- True 54.7Wh Capacity No Fake Labels Many sellers advertise 54.7Wh but ship lowcapacity 45Wh batteries with counterfeit stickers. This L20D4P73 delivers genuine 54.7Wh / 3564mAh you get the real runtime for your ThinkPad X13.; Exact Fit for ThinkPad X13 Gen 2 & Gen 3 Compatible with Lenovo ThinkPad X13 Gen 2 (Types 20WK, 20WL, 20XH, 20XJ) and ThinkPad X13 Gen 3 (Types 21BN, 21BQ, 21CM, 21CN). Replaces OEM part numbers L20D4P73, L20M4P73, L20L4P73, L20C4P73, L20C4P74, L20D4P74, L20C3P72, L20D3P72, and many SB10/5B10 variants. Direct swap.; 54.7Wh 15.36V 4Cell Li-ion High energy density for allday productivity. No more unexpected shutdowns at 2030% or performance throttling when unplugged. Ideal for business travel, remote work, or campus use.; Premium Grade A Cells Built to Last Manufactured with brand new Grade A Liion cells, not recycled or lowgrade. Expect stable voltage, consistent discharge, and 500+ cycle life. No swelling, no false battery gauge.; Safe & 100% Tested Builtin overcurrent, overvoltage, overheating, and shortcircuit protection. Each unit tested before shipping. Backed by 30day money return and 12month warranty.
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Why You Need a Genuine 54.7W h Battery for Your ThinkPad X13 Lenovo ThinkPad X13 Gen 2 and Gen 3 are ultraportable business laptops designed for productivity. But even the best batteries degrade after heavy use shorter runtime, sudden shutdowns, or the dreaded Consider replacing your battery warning. Worse, many compatible batteries online are fake: they use lowcapacity cells (often 45Wh or less) and slap a 54.7W h sticker on them. Your laptop runs for half the time, and youve been cheated. This L20D4P73 battery is different. We deliver a true 54.7W h / 3564mAh capacity using brand new Grade A Liion cells. What you see is what you get. Designed for Lenovo ThinkPad X13 Gen 2 & Gen 3 This battery is a direct fit for the following models (Ctrl+F to search): ThinkPad
X13 Gen 2: Types 20WK, 20WL, 20XH, 20XJ
ThinkPad X13 Gen 3: Types 21BN, 21BQ, 21CM, 21CN (including 21BN-A003CD)
Important: These laptops may also be compatible with slightly different capacity batteries (e. g., 48Wh or 60Wh in some configurations). Please verify your original battery part number before ordering.
Remote workers on backtoback video calls. Students moving between classes without charging.
X13 Gen 2: Types 20WK, 20WL, 20XH, 20XJ
ThinkPad X13 Gen 3: Types 21BN, 21BQ, 21CM, 21CN (including 21BN-A003CD)
Important: These laptops may also be compatible with slightly different capacity batteries (e. g., 48Wh or 60Wh in some configurations). Please verify your original battery part number before ordering.
Specifications
You Can Trust SpecificationDetail Model L20D4P73 (compatible) Chemistry Liion Voltage 15.36V Capacity 54.7W h / 3564mAh (true capacity) Cells 4Cell Color Black Condition Brand new Grade A cells Compatible Part Numbers (Partial List) Common P/N L20D4P73 / SB10W51956 / 5B10W51855 L20M4P73 / SB10W51954 / 5B10W51853 L20L4P73 / SB10W51953 / 5B10W51852 L20C4P73 / SB10W51955 / 5B10W51854 L20C4P74 / SB10W51821 / L20D4P74 / SB10W51822 L20C3P72 / SB10W51959 / 5B10W51858 L20D3P72 / SB10W51960 / 5B10W51859 What a Cheap or Fake Battery Costs You Short runtime Laptop dies halfway through the workday or a long flight. Fake capacity Label says 54.7W h, but actual is 45Wh or less. 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 FeatureCheap GenericOur GenuineSpec Battery True Capacity 45Wh or less (fake label) 54.7W h (tested) Cells Recycled or lowgrade Brand new Grade A Runtime (light use) 56 hours 810+ hours Swelling Risk High within months Low, proper BMS Warranty None or 30 days 30day return + 12 months Who Is This Battery For? Business professionals needing allday battery for travel and meetings.Remote workers on backtoback video calls. Students moving between classes without charging.
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- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by VoltSync Return Policy
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