Replacement Battery Specification
- Battery Model: L21L3PG1
- Capacity: 3685mAh/42Wh
- Voltage: 11.4V
- Battery Type: Li-ion
- Cell: Made in China, high quality guarantee
- Color: Black
- Condition: Replacement Battery (100% Brand New,1-year warranty!)
Replace Part Numbers
- L21L3PG1
- SB11F21950
- 5B11F21940
- SB11H56241
- 5B11H56340
- L21C3PG1
- SB11F21951
- 5B11F21943
- SB11H56242
- 5B11H56341
- L21D3PG1
- SB11F21944
- 5B11F21948
- SB11H56239
- 5B11H56338
- L21M3PG1
- SB11F21949
- 5B11F21942
- SB11H56240
- 5B11H56339
- L21C3PG2
- L21D3PG2
- L21M3PG2
- L21L3PG1
- L21C3PG1
- L21D3PG1
- L21M3PG1
Compatible Laptop Models
- For Lenovo Thinkpad L14 Gen 3 2022 Series
- For Lenovo Thinkpad L14 Gen 4 2023 Series
- For Lenovo Thinkpad L15 Gen 3 2022 Series
- For Lenovo Thinkpad L15 Gen 4 2023 Series
- For Lenovo Thinkpad C14 Chromebook Gen 1 2022 Series
Product Features
- Reliable Power for Business Laptops: 42Wh capacity provides extended runtime for professional work, meetings, and mobile productivity
- OEM-Level Compatibility: 100% compatible with Lenovo ThinkPad L14/L15 Gen 3 and Gen 4 series, matching original battery specifications
- Advanced Lithium-Ion Technology: Premium cells deliver stable 11.4V output and long cycle life for dependable daily operation
- Safety-Certified Design: Integrated protection against overcharge, over-discharge, short circuit, and overheating for safe laptop use
- Professional-Grade Performance: Engineered for business-class ThinkPad laptops, ensuring consistent performance during demanding workloads
- Quality Assurance: 1-year warranty coverage and strict quality control ensure reliable performance for professional users
Why Choose This Lenovo ThinkPad Battery
This replacement laptop battery is specifically designed for Lenovo ThinkPad L14 and L15 Gen 3/Gen 4 series laptops, trusted business machines used by professionals worldwide. With 42Wh capacity at 11.4V, this battery provides the reliable power needed for full workdays, business travel, and mobile productivity without being tethered to a power outlet.
Our replacement battery meets strict quality standards for business-class laptops, featuring advanced battery management systems that ensure stable voltage output, optimal charging cycles, and safe operation during intensive work sessions. The OEM-level design guarantees seamless integration with your ThinkPad L14/L15, maintaining the same form factor, electrical characteristics, and safety features as the original L21L3PG1 battery. Each unit undergoes rigorous quality control testing to verify capacity, voltage stability, and protection circuit functionality before shipment.
Ideal for business professionals, remote workers, IT departments, and enterprises that rely on ThinkPad laptops for daily operations, this battery replacement combines professional-grade reliability with exceptional value. Whether you need a spare battery for extended travel or a replacement for aging power packs, our solution delivers the performance and safety required for business-critical computing. Trust in a battery that professionals depend on for uninterrupted productivity.