Compatible with Lenovo

Lenovo ThinkPad L14 Gen 4(Intel)21H10063ED Replacement Battery - Replaces 5B11F21941

$44.80In stock

Why this battery

Fits Lenovo ThinkPad L14 Gen 4 (Intel) 21H10063ED; replaces OEM part 5B11F21941, 5B11F21946, 5B11F21953, L21C3PG2, L21D3PG2, L21L3PG2, L21M3PG2, SB11F21945, SB11F21947, SB11F21952.
11.52V and 4850mAh (55.87Wh) delivers full charge cycles without voltage sag under CPU and display load.
Connector slides into the battery bay slot with the locking tab facing left; seats flush against the rear chassis edge.
We ran five full charge cycles on a ThinkPad L14 Gen 4 test unit; the BMS engaged the charging gate at 95% capacity without early cutoff or thermal throttling.
After installing this cell, run one full discharge to hibernate cutoff, then charge uninterrupted to 100% — this resets the BIOS battery learn cycle and clears the inaccurate health warning that appears after every cell swap.

11.52V4850mAhLi-Polymer

Fits 240 models · Replaces 22 part numbers

Ship from

Ships from Hong Kong Warehouse · Delivery in 28-45 days

$44.80Quantity 1

About this replacement

Lenovo ThinkPad L14 Gen 4 / L15 Gen 3 — 11.52V Li-Polymer Replacement Battery (5B11F21941)

This is an 11.52V, 4850mAh (55.87Wh) Li-Polymer battery for the Lenovo ThinkPad L14 Gen 4 and L15 Gen 3 series laptops. It replaces OEM part numbers including 5B11F21941, L21C3PG2, L21M3PG2, and related variants. The battery fits both Intel and AMD platform variants across these two ThinkPad generations.

L14 Gen 4 and L15 Gen 3 shared battery platform: Both the Intel and AMD variants of these ThinkPad generations use the same 11.52V three-cell Li-Polymer pack with a common connector pinout and BMS communication protocol. Lenovo standardised the battery bay across both CPU platforms in these generations, so one SKU covers the full model spread.
Bench tested on actual hardware: We ran this cell through charge and discharge cycles on a ThinkPad L14 Gen 4. The BMS handshake completed correctly, the BIOS registered the battery as present, and the fuel gauge began tracking charge state from the first cycle.
BIOS learn cycle after installation: After fitting this battery, run the laptop on battery power down to hibernate-level cutoff, then charge uninterrupted to 100%. This resets the BIOS battery learn cycle and clears the inaccurate health warning that appears after a cell swap — the warning reflects EEPROM data from the old cell, not the new one.

BIOS reporting battery health as poor after replacement

The ThinkPad BIOS reads health state from EEPROM data embedded in the battery pack, not from live cell measurements. When a new cell is installed, the BIOS compares the new pack's cycle count and charge history against its stored baseline — which still references the old battery. This mismatch causes the BIOS to flag "poor health" even on a fresh cell. Running one complete discharge-to-hibernate then a full uninterrupted charge to 100% rewrites the baseline and clears the warning.

Laptop shutting down at 20–30% shown after battery swap

This happens when the fuel gauge IC has not yet calibrated against the new cell's actual discharge curve. The gauge was mapped to the old cell's voltage profile, so it misreads the new cell's voltage cliff and triggers shutdown well before the cell is genuinely empty. The fix is two to three full discharge and charge cycles — each cycle tightens the gauge's model of the new cell. After the third cycle, the reported percentage at shutdown should track within a few percent of actual remaining charge.

Compatibility

Check your original model and part number before ordering.

Compatible brands

Lenovo

Fit Model

ThinkPad L14 Gen 4(Intel)21H10063EDThinkPad L14 Gen 4(AMD)21H5001DPGThinkPad L15 Gen 3(Intel)21C30006YAThinkPad L15 Gen 3(Intel)21C3000PMZThinkPad L14 Gen 3(Intel)21C1007GGPThinkPad L14 Gen 3(AMD)21C5001FMSThinkPad L15 Gen 4(Intel)21H3003DMLThinkPad C14 Gen 1 Chromebook 21CA0005AUThinkPad L14 Gen 3(Intel)21C10039FRThinkPad L14 Gen 3(Intel)21C1003UGEThinkPad L15 Gen 4(AMD)21H70007CAThinkPad L14 Gen 4(AMD)21H5000EEQThinkPad L14 Gen 4(AMD)21H50027ATThinkPad L15 Gen 3(Intel)21C30039EQThinkPad L15 Gen 3(Intel)21C3000FIXThinkPad L14 Gen 3(Intel)21C10024AUThinkPad L15 Gen 3(Intel)21C3006TGBThinkPad L14 Gen 3(Intel)21C20006AUThinkPad L14 Gen 3(AMD)21C5001PIWThinkPad L15 Gen 4(Intel)21H4000HBRThinkPad L14 Gen 4(Intel)21H1000XCKThinkPad L14 Gen 3(Intel)21C1002SCYThinkPad L15 Gen 3(Intel)21C3006AIWThinkPad L14 Gen 3(Intel)21C1003GSCThinkPad L14 Gen 3(Intel)21C10042UEThinkPad L15 Gen 4(AMD)21H7000UEDThinkPad L14 Gen 4(AMD)21H5000XIUThinkPad L15 Gen 3(Intel)21C30007TXThinkPad L15 Gen 3(Intel)21C3007HCYThinkPad L14 Gen 3(AMD)21C5001BSPThinkPad L14 Gen 3(AMD)21C5002MZAThinkPad C14 Gen 1 Chromebook 21C9000KUSThinkPad L14 Gen 4(Intel)21H10019YAThinkPad L15 Gen 3(AMD)21C7001KMBThinkPad L15 Gen 3(Intel)21C3001UCXThinkPad L14 Gen 3(Intel)21C1003QMBThinkPad L14 Gen 3(Intel)21C1004RTXThinkPad L15 Gen 4(AMD)21H7001QYAThinkPad L14 Gen 4(AMD)21H50023FEThinkPad L15 Gen 3(Intel)21C30027MSThinkPad L15 Gen 3(Intel)21C3000WATThinkPad L15 Gen 3(Intel)21C3000KIUThinkPad L15 Gen 3(Intel)21C30070MXThinkPad L15 Gen 3(Intel)21C3006FIWThinkPad L14 Gen 3(AMD)21C5001KRTThinkPad L14 Gen 3(AMD)21C5002VMLThinkPad L14 Gen 4(Intel)21H1000TIVThinkPad L14 Gen 4(Intel)21H1003JHVThinkPad L15 Gen 3(AMD)21C7002GFEThinkPad L15 Gen 3(AMD)21C7002KEQThinkPad L15 Gen 4(AMD)21H70026PHThinkPad L14 Gen 3(Intel)21C1003YEQThinkPad L15 Gen 3(Intel)21C30034PEThinkPad L15 Gen 3(Intel)21C3006NCYThinkPad L15 Gen 3(Intel)21C4S17R00ThinkPad L14 Gen 3(Intel)21C10031MHThinkPad L14 Gen 3(AMD)21C5002JGBThinkPad L14 Gen 3(AMD)21C50034MNThinkPad L14 Gen 4(Intel)21H10014TXThinkPad L14 Gen 4(Intel)21H1004TVAThinkPad L15 Gen 3(Intel)21C3001DGPThinkPad L15 Gen 3(AMD)21C7001PEDThinkPad L15 Gen 3(AMD)21C7002QPBThinkPad L15 Gen 4(Intel)21H3000WPGThinkPad L15 Gen 3(Intel)21C3001NRIThinkPad L14 Gen 3(Intel)21C10046SPThinkPad L15 Gen 4(AMD)21H70018YAThinkPad L15 Gen 3(Intel)21C30015ADThinkPad L15 Gen 3(Intel)21C3002EGPThinkPad L15 Gen 3(Intel)21C30074GRThinkPad L14 Gen 3(Intel)21C1000KADThinkPad L14 Gen 3(Intel)21C1002VCXThinkPad L14 Gen 3(AMD)21C5002RSCThinkPad L14 Gen 3(AMD)21C5004VVNThinkPad L14 Gen 4(Intel)21H1003EHVThinkPad L14 Gen 4(Intel)21H1005WRAThinkPad L15 Gen 3(Intel)21C3001VGQThinkPad L15 Gen 3(AMD)21C7002NTXThinkPad L15 Gen 3(AMD)21C7004JIUThinkPad L15 Gen 4(Intel)21H30031PBThinkPad L14 Gen 3(Intel)21C1004VRIThinkPad L15 Gen 4(AMD)21H70020MSThinkPad L15 Gen 3(Intel)21C3001JMNThinkPad L15 Gen 3(Intel)21C30021YAThinkPad L15 Gen 3(Intel)21C3008NTXThinkPad L14 Gen 3(Intel)21C10035PEThinkPad L15 Gen 3(Intel)21C3006TCXThinkPad L15 Gen 3(AMD)21C7001JGRThinkPad L14 Gen 3(AMD)21C50030IWThinkPad L14 Gen 3(AMD)-21C6S1M600ThinkPad L14 Gen 4(Intel)21H10046EDThinkPad L14 Gen 4(Intel)21H2000SARThinkPad L15 Gen 3(Intel)21C3001HGRThinkPad L15 Gen 3(AMD)21C70039GRThinkPad L15 Gen 3(Intel)21C30002SPThinkPad L14 Gen 3(Intel)21C1007TGRThinkPad L15 Gen 4(Intel)21H3000SUEThinkPad L15 Gen 4(Intel)21H3004DEDThinkPad L14 Gen 3(Intel)21C10065PBThinkPad L15 Gen 3(AMD)21C7001HPBThinkPad L14 Gen 3(Intel)21C10000EQThinkPad L14 Gen 3(Intel)21C1003DGPThinkPad L14 Gen 3(Intel)21C10034GEThinkPad L14 Gen 3(AMD)21C5003NUKThinkPad L14 Gen 4(Intel)21H1005TEQThinkPad L14 Gen 4(AMD)21H5000LCYThinkPad L15 Gen 3(Intel)21C30019IVThinkPad L15 Gen 3(AMD)21C7003HGEThinkPad L15 Gen 3(Intel)21C3000BHVThinkPad L14 Gen 3(AMD)21C50018CXThinkPad L15 Gen 4(Intel)21H3001NPHThinkPad L15 Gen 3(AMD)-21C7004VRIThinkPad L14 Gen 3(Intel)21C1004SBMThinkPad L15 Gen 3(Intel)21C30011CYThinkPad L15 Gen 3(Intel)21C3001MFRThinkPad L14 Gen 3(Intel)21C10015EDThinkPad L14 Gen 3(Intel)21C1003LUKThinkPad L15 Gen 3(AMD)21C7000PATThinkPad L14 Gen 3(AMD)21C5005AFEThinkPad L14 Gen 4(Intel)21H10063MBThinkPad L14 Gen 4(AMD)21H5001JMYThinkPad L14 Gen 3(AMD)21C5001GZAThinkPad L15 Gen 3(Intel)21C3008TZAThinkPad L15 Gen 3(Intel)21C3000YUKThinkPad L15 Gen 3(Intel)21C30004RIThinkPad L15 Gen 3(Intel)21C3002FEDThinkPad L15 Gen 3(Intel)21C3001CZAThinkPad L15 Gen 3(AMD)21C7000PMXThinkPad L14 Gen 3(AMD)21C50026FEThinkPad L15 Gen 3(Intel)21C4000VBRThinkPad L14 Gen 3(Intel)21C10001GQThinkPad L15 Gen 3(Intel)21C30009FEThinkPad L15 Gen 3(AMD)21C7003KCYThinkPad L14 Gen 3(AMD)21C50036MZThinkPad L14 Gen 3(Intel)21C10069RIThinkPad L15 Gen 3(Intel)21C30034EDThinkPad L15 Gen 3(Intel)21C3001UCKThinkPad C14 Gen 1 Chromebook 21C9000QBMThinkPad L14 Gen 3(AMD)21C50018UKThinkPad L15 Gen 3(Intel)21C3006WTXThinkPad L15 Gen 3(Intel)21C30003MBThinkPad L15 Gen 3(AMD)21C7003YPGThinkPad L14 Gen 3(AMD)21C50058ADThinkPad L14 Gen 3(Intel)21C1007PCYThinkPad L15 Gen 3(Intel)21C3001MIXThinkPad L15 Gen 3(Intel)21C30012PGThinkPad L14 Gen 3(Intel)21C1002KUKThinkPad L14 Gen 3(Intel)21C1005DIGThinkPad L15 Gen 3(Intel)21C3008YMSThinkPad L15 Gen 3(Intel)21C30072MZThinkPad L14 Gen 3(Intel)21C1002UHVThinkPad L15 Gen 3(Intel)21C30006RTThinkPad L15 Gen 3(AMD)21C80000AUThinkPad L14 Gen 3(AMD)-21C6S1MY00ThinkPad L14 Gen 3(AMD)21C5002PFRThinkPad L15 Gen 3(Intel)21C3001SADThinkPad L14 Gen 3(Intel)21C1003DRKThinkPad L15 Gen 3(Intel)21C3006UBMThinkPad L15 Gen 3(Intel)21C3006JYAThinkPad L14 Gen 3(Intel)21C1002VZAThinkPad L15 Gen 3(AMD)21C7003VUEThinkPad L15 Gen 3(AMD)21C7002PTXThinkPad L14 Gen 3(Intel)21C1003TMXThinkPad L14 Gen 3(AMD)21C5004FIUThinkPad L14 Gen 3(AMD)21C5002VMHThinkPad L14 Gen 3(Intel)21C1004PMLThinkPad L15 Gen 3(Intel)21C3001KEEThinkPad L14 Gen 3(Intel)21C1S02V00ThinkPad L14 Gen 3(Intel)21C10037IVThinkPad L15 Gen 3(Intel)21C3007KIWThinkPad L15 Gen 3(Intel)21C3006PCYThinkPad L14 Gen 3(Intel)21C1000WADThinkPad L15 Gen 3(AMD)21C7003FGBThinkPad L15 Gen 3(AMD)21C70026ADThinkPad L14 Gen 3(Intel)21C10035CYThinkPad L14 Gen 3(AMD)21C5002MGQThinkPad L14 Gen 3(AMD)21C5001DMHThinkPad L15 Gen 3(Intel)21C3000TADThinkPad L14 Gen 3(Intel)21C1003NPBThinkPad L14 Gen 3(Intel)21C1002NCKThinkPad L15 Gen 3(Intel)21C30074MSThinkPad L15 Gen 3(Intel)21C3001XHVThinkPad L14 Gen 3(Intel)21C1002UCYThinkPad L14 Gen 3(Intel)21C2000LAUThinkPad L15 Gen 3(AMD)21C7002LEQThinkPad L15 Gen 3(AMD)21C7001FGQThinkPad L14 Gen 3(Intel)21C1003PSCThinkPad L14 Gen 3(AMD)21C5002RRTThinkPad L14 Gen 3(AMD)21C5001MHVThinkPad L15 Gen 3(Intel)21C3000HGRThinkPad L15 Gen 3(Intel)21C3000WPBThinkPad L14 Gen 3(Intel)21C1004UFRThinkPad L15 Gen 3(Intel)21C3006AYAThinkPad L15 Gen 3(Intel)21C30022MZThinkPad L14 Gen 3(Intel)21C1002XUKThinkPad L15 Gen 3(AMD)21C7001NIUThinkPad L14 Gen 3(Intel)21C10033GBThinkPad L14 Gen 3(AMD)21C50030IVThinkPad L14 Gen 3(AMD)21C5000DAUThinkPad L15 Gen 3(Intel)21C3000BMNThinkPad L15 Gen 3(Intel)21C30012UEThinkPad L14 Gen 3(Intel)21C10050UKThinkPad L14 Gen 3(Intel)21C1004LCAThinkPad L15 Gen 3(Intel)21C3006RBMThinkPad L15 Gen 3(Intel)21C3003DFEThinkPad L14 Gen 3(Intel)21C10017EDThinkPad L15 Gen 3(AMD)21C7002GGPThinkPad L14 Gen 3(AMD)21C5001HPEThinkPad L15 Gen 3(Intel)21C3008VCYThinkPad L15 Gen 3(Intel)21C30010FRThinkPad L15 Gen 3(Intel)21C3000EGBThinkPad L15 Gen 3(Intel)21C30017IWThinkPad L15 Gen 3(Intel)21C3002GGQThinkPad L15 Gen 3(Intel)21C3001DEEThinkPad L15 Gen 3(AMD)21C7000PSCThinkPad L14 Gen 3(Intel)21C10043CXThinkPad L14 Gen 3(AMD)21C50027ZAThinkPad L15 Gen 3(Intel)21C4S17Q00ThinkPad L15 Gen 3(Intel)21C3000MCKThinkPad L15 Gen 3(AMD)21C7002RMNThinkPad L14 Gen 3(AMD)21C50037BMThinkPad L14 Gen 3(Intel)21C1006AMXThinkPad L15 Gen 3(Intel)21C30024MSThinkPad C14 Gen 1 Chromebook 21C9000QSNThinkPad L14 Gen 3(AMD)21C50019GQThinkPad L15 Gen 3(Intel)21C3006XCKThinkPad L15 Gen 3(Intel)21C30003MNThinkPad L15 Gen 3(AMD)21C7003DIUThinkPad L14 Gen 3(AMD)21C5002KMLThinkPad L14 Gen 3(Intel)21C1007PGMThinkPad L15 Gen 3(Intel)21C3001MSPThinkPad L15 Gen 3(AMD)21C7001FMBThinkPad L14 Gen 3(Intel)21C1002LCYThinkPad L14 Gen 3(Intel)21C1005QCYThinkPad L15 Gen 3(Intel)21C30090MBThinkPad L15 Gen 3(Intel)21C30089VAThinkPad L14 Gen 3(Intel)21C10004ADThinkPad L15 Gen 3(Intel)21C30007EQThinkPad L15 Gen 3(AMD)21C80009AUThinkPad L14 Gen 3(AMD)21C50032TX

Part Number

5B11F219415B11F219465B11F21953L21C3PG2L21D3PG2L21L3PG2L21M3PG2SB11F21945SB11F21947SB11F219525B11F219405B11F219425B11F219435B11F21948L21C3PG1L21D3PG1L21L3PG1L21M3PG1SB11F21944SB11F21949SB11F21950SB11F21951

Specifications

Battery typeLi-Polymer

Voltage11.52V

Capacity4850mAh

Wh55.87Wh

Dimensions293.00 x 77.00 x 6.60mm

Weight

Connector

ChemistryLi-Polymer

Shipping and safety

UN number:

Standard carrier options available

UN38.3 documentation pending

Return warning

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