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L20M4P73 Battery for Lenovo ThinkPad X13 Gen 2 & Gen 3 | 54.7Wh 4-Cell | Replaces SB10W51954, 5B10W51853, L20L4P73 | 15.36V | Type 20WK, 20WL, 21BN, 21BQ Series
- L20M4P73 54.7Wh Genuine Replacement Battery for Lenovo ThinkPad X13 Gen 2 & Gen 3
- Restore your business ultrabook's performance with this premium 54.7Wh Li-ion replacement battery. Designed for Lenovo ThinkPad X13 Gen 2 and Gen 3 series, this 4-cell battery delivers reliable power for professional work, business travel, and daily productivity in a compact form factor.
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Overview
Specs
Reviews
FIT MACHINE MODELS:
ThinkPad X13 Gen 2 Series:
Type 20WK, 20WL, 20XH, 20XJ
ThinkPad X13 Gen 3 Series:
Type 21BN, 21BQ, 21CM, 21CN
COMPATIBLE WITH PART NUMBERS:
L20M4P73 | SB10W51954 | 5B10W51853
L20L4P73 | SB10W51953 | 5B10W51852
L20C4P73 | SB10W51955 | 5B10W51854
L20D4P73 | SB10W51956 | 5B10W51855
L20C4P74 | SB10W51922 | 5B10W51821
L20D4P74 | SB10W51923 | 5B10W51822
TECHNICAL SPECIFICATIONS:
Battery Model: L20M4P73
Voltage: 15.36V
Capacity: 54.7W h / 3564mAh
Cell Configuration: 4-Cell
Chemistry: Lithium-Ion (Li-ion)
Color: Black
Condition: 100% Brand New
Design: Ultrabook-Optimized Compact Form Factor
KEY FEATURES:
Business-Grade Reliability: Designed for professional ThinkPad X13 series
Compact 4-Cell Design: Optimized for ultrabook form factor without sacrificing capacity
Dual Generation Compatibility: Works with both Gen 2 and Gen 3 X13 models
Perfect OEM Fit: Exact replacement ensuring seamless integration
Safety Certified: Built-in protection circuits for stable performance
Optimized Capacity: 54.7W h provides balanced runtime and portability
IMPORTANT COMPATIBILITY NOTE:
BEFORE ORDERING: This battery is specifically designed for ThinkPad X13 Gen 2 (20-series) and Gen 3 (21-series) models. Please verify your laptop type number matches the compatible models listed above.
BATTERY CALIBRATION GUIDE:
For optimal performance after installation:
Ensure Secure Connection: Confirm battery connector is firmly seated on motherboard
Use Original Charger: Charge with Lenovo original power adapter
Initial Calibration: Discharge battery to 5% (avoid 0%), then fully charge
Repeat 3-4 Times: This wake-up cycle optimizes battery performance and accuracy
EASY INSTALLATION:
Power down your ThinkPad and disconnect all cables
Remove the bottom panel using appropriate tools
Disconnect and replace the battery
Reassemble and power on your system
PACKAGE INCLUDES:
1 x L20M4P73 Compatible Battery
IDEAL FOR:
ThinkPad X13 Gen 2 (20WK, 20WL, 20XH, 20XJ) users
ThinkPad X13 Gen 3 (21BN, 21BQ, 21CM, 21CN) owners
Business professionals and corporate users
Frequent travelers needing reliable ultrabook performance
IT departments managing multiple X13 devices
APPLICATIONS:
Business productivity and office work
Professional software applications
Video conferencing and remote collaboration
Business travel and mobile computing
Enterprise computing environments
ThinkPad X13 Gen 2 Series:
Type 20WK, 20WL, 20XH, 20XJ
ThinkPad X13 Gen 3 Series:
Type 21BN, 21BQ, 21CM, 21CN
COMPATIBLE WITH PART NUMBERS:
L20M4P73 | SB10W51954 | 5B10W51853
L20L4P73 | SB10W51953 | 5B10W51852
L20C4P73 | SB10W51955 | 5B10W51854
L20D4P73 | SB10W51956 | 5B10W51855
L20C4P74 | SB10W51922 | 5B10W51821
L20D4P74 | SB10W51923 | 5B10W51822
TECHNICAL SPECIFICATIONS:
Battery Model: L20M4P73
Voltage: 15.36V
Capacity: 54.7W h / 3564mAh
Cell Configuration: 4-Cell
Chemistry: Lithium-Ion (Li-ion)
Color: Black
Condition: 100% Brand New
Design: Ultrabook-Optimized Compact Form Factor
KEY FEATURES:
Business-Grade Reliability: Designed for professional ThinkPad X13 series
Compact 4-Cell Design: Optimized for ultrabook form factor without sacrificing capacity
Dual Generation Compatibility: Works with both Gen 2 and Gen 3 X13 models
Perfect OEM Fit: Exact replacement ensuring seamless integration
Safety Certified: Built-in protection circuits for stable performance
Optimized Capacity: 54.7W h provides balanced runtime and portability
IMPORTANT COMPATIBILITY NOTE:
BEFORE ORDERING: This battery is specifically designed for ThinkPad X13 Gen 2 (20-series) and Gen 3 (21-series) models. Please verify your laptop type number matches the compatible models listed above.
BATTERY CALIBRATION GUIDE:
For optimal performance after installation:
Ensure Secure Connection: Confirm battery connector is firmly seated on motherboard
Use Original Charger: Charge with Lenovo original power adapter
Initial Calibration: Discharge battery to 5% (avoid 0%), then fully charge
Repeat 3-4 Times: This wake-up cycle optimizes battery performance and accuracy
EASY INSTALLATION:
Power down your ThinkPad and disconnect all cables
Remove the bottom panel using appropriate tools
Disconnect and replace the battery
Reassemble and power on your system
PACKAGE INCLUDES:
1 x L20M4P73 Compatible Battery
IDEAL FOR:
ThinkPad X13 Gen 2 (20WK, 20WL, 20XH, 20XJ) users
ThinkPad X13 Gen 3 (21BN, 21BQ, 21CM, 21CN) owners
Business professionals and corporate users
Frequent travelers needing reliable ultrabook performance
IT departments managing multiple X13 devices
APPLICATIONS:
Business productivity and office work
Professional software applications
Video conferencing and remote collaboration
Business travel and mobile computing
Enterprise computing environments
Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
- CONTACT
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by AyeFlow Return Policy
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