The L21M3PG1 battery is a brand-new Li-ion replacement battery designed for compatible Lenovo ThinkPad L14 Gen 3, ThinkPad L15 Gen 3, and ThinkPad C14 Gen 1 Chromebook models. It provides 11.4V, 42Wh, and 3590mAh of power for everyday laptop use.
This replacement battery is designed for users who need to replace an old or worn battery. It is compatible with several Lenovo battery part numbers, including L21M3PG1, L21C3PG1, L21L3PG1, and L21D3PG1.
Before ordering, please check the battery part number on your original battery and compare it with the information below. Battery size, connector position, voltage, and part number should also match your original battery.
Battery Specifications
| Specification | Details |
|---|---|
| Battery Model | L21M3PG1 |
| Battery Type | Li-ion |
| Voltage | 11.4V |
| Capacity | 3590mAh / 42Wh |
| Label Capacity | 3590mAh / 42Wh |
| Weight | Approx. 355g |
| Condition | Brand New |
| Compatibility | 100% compatible with listed models |
| Warranty | 1 Year |
| Package | 1 × Battery |
Compatible Battery Part Numbers
This battery replaces the following Lenovo battery part numbers:
- L21M3PG1
- L21C3PG1
- L21D3PG1
- L21L3PG1
- 5B11F21940
- 5B11F21942
- 5B11F21943
- 5B11F21948
- SB11F21944
- SB11F21949
- SB11F21950
- SB11F21951
Compatible Lenovo Laptops
This replacement battery is designed for compatible models in the following series:
- Lenovo ThinkPad L14 Gen 3 Intel
- Lenovo ThinkPad L14 Gen 3 AMD
- Lenovo ThinkPad L15 Gen 3 Intel
- Lenovo ThinkPad L15 Gen 3 AMD
- Lenovo ThinkPad C14 Gen 1 Chromebook
The supplied compatibility list includes many specific machine types, such as ThinkPad L14 Gen 3 21C1 series, ThinkPad L14 Gen 3 21C5 series, ThinkPad L15 Gen 3 21C3 series, ThinkPad L15 Gen 3 21C7 series, ThinkPad L15 Gen 3 21C8 series, and ThinkPad C14 Gen 1 21C9 series.
Selected Compatible Model Numbers
ThinkPad L14 Gen 3 Intel:
21C10001GQ, 21C1002KUK, 21C1002UHV, 21C1002VZA, 21C1003DRK, 21C1003NPB, 21C1003PSC, 21C1003TMX, 21C1004PML, 21C1004UFR, 21C1005DIG, 21C1005QCY, 21C10069RI, 21C1007PCY, 21C1007PGM and other compatible configurations.
ThinkPad L14 Gen 3 AMD:
21C5000DAU, 21C5001DMH, 21C5001GZA, 21C5001HPE, 21C5001MHV, 21C5002KML, 21C5002MGQ, 21C5002PFR, 21C5002RRT, 21C5002VMH, 21C50026FE, 21C50027ZA, 21C50030IV, 21C50032TX, 21C50036MZ, 21C50037BM, 21C5004FIU and other compatible configurations.
ThinkPad L15 Gen 3 Intel:
21C30004RI, 21C30009FE, 21C3000BMN, 21C3000EGB, 21C3000HGR, 21C3000MCK, 21C3000TAD, 21C3000WPB, 21C3001CZA, 21C3001DEE, 21C3001KEE, 21C3001MIX, 21C3001MSP, 21C3001SAD, 21C3001UCK, 21C3001XHV, 21C3002FED, 21C3002GGQ, 21C3003DFE, 21C3006AYA, 21C3006JYA, 21C3006PCY, 21C3006RBM, 21C3006UBM, 21C3006WTX, 21C3006XCK, 21C3007KIW, 21C3008TZA, 21C3008VCY, 21C3008YMS, 21C30010FR, 21C30012PG, 21C30012UE, 21C30017IW, 21C30022MZ, 21C30024MS, 21C30034ED, 21C30072MZ, 21C30074MS, 21C30089VA, 21C30090MB and other compatible configurations.
ThinkPad L15 Gen 3 AMD:
21C7000PMX, 21C7000PSC, 21C7001FMB, 21C7001FGQ, 21C7001NIU, 21C7002GGP, 21C7002LEQ, 21C7002PTX, 21C7002RMN, 21C7003DIU, 21C7003FGB, 21C7003KCY, 21C7003VUE, 21C7003YPG, 21C80000AU and 21C80009AU.
ThinkPad C14 Gen 1 Chromebook:
21C9000QBM and 21C9000QSN.
The compatibility list is not exhaustive. Lenovo released this battery family across different regional configurations. If your exact machine type is not listed, please check the original battery part number before ordering.
Key Features
- Brand-new Li-ion replacement battery
- 11.4V rated voltage
- 3590mAh / 42Wh capacity
- Designed for compatible Lenovo ThinkPad laptops
- Compatible with multiple L21-series battery part numbers
- Suitable for ThinkPad L14 Gen 3 and L15 Gen 3 configurations
- Compatible with selected ThinkPad C14 Gen 1 Chromebook models
- One-year warranty
- Factory-direct special-order service
How to Check Compatibility
Laptop batteries can look similar while using different connectors or mounting points. For this reason, please check your original battery before purchasing.
You can confirm compatibility by checking:
- Battery part number — Look for L21M3PG1, L21C3PG1, L21L3PG1, L21D3PG1 or another listed replacement number.
- Laptop model — Confirm that your ThinkPad is a compatible L14 Gen 3, L15 Gen 3, or C14 Gen 1 model.
- Voltage — The listed battery is 11.4V.
- Capacity — The listed capacity is 42Wh / 3590mAh.
- Battery connector and shape — Compare your original battery with the product photos and specifications.
If you cannot find your exact Lenovo machine type in the list, contact us before purchasing so we can help confirm compatibility.
Package Includes
1 × Brand New Lenovo Compatible Laptop Battery
Warranty
This battery comes with a full one-year warranty. If you have any questions about compatibility or installation, please contact us before purchasing.
