Replacement Battery Specification
- Battery Model: L21L4PG1
- Capacity: 2995mAh/46Wh
- Voltage: 15.36V
- Battery Type: Li-ion
- Cell: Made in China, high quality guarantee
- Color: Black
- Condition: Replacement Battery (100% Brand New, 1-year warranty!)
Replace Part Number
- L21L4PG1
- L21M4PG1
- L21C4PG1
- L21D4PG1
- SB10W51952
- 5B10W51851
- SB11H56238
- 5B11H56337
- SB10W51949
- 5B10W51848
- SB11H56235
- 5B11H56334
- SB10W51950
- 5B10W51849
- SB11H56236
- 5B11H56335
- SB10W51951
- 5B10W51850
- SB11H56237
- 5B11H56336
Compatible Laptop Model
- For Lenovo ThinkPad L13 Gen 3 (Type 21B3, 21B4, 21B9, 21BA) Series
- For Lenovo ThinkPad L13 Gen 4 (Type 21FG, 21FH, 21FN, 21FQ) Series
- For Lenovo ThinkPad L13 Yoga Gen 3 (Type 21B5, 21B6, 21BB, 21BC) Series
- For Lenovo ThinkPad L13 Yoga Gen 4 (Type 21FJ, 21FK, 21FR, 21FS) Series
Product Features
- Reliable Power: 2995mAh/46Wh capacity provides extended runtime for all-day productivity, business travel, and mobile computing
- OEM-Level Compatibility: 100% compatible with Lenovo ThinkPad L13 Gen 3/4 and L13 Yoga Gen 3/4 laptops, matching original battery specifications
- Advanced Lithium-Ion Technology: Premium cells deliver stable 15.36V output and long cycle life for dependable professional 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 L13 Gen 3, Gen 4, and L13 Yoga Gen 3, Gen 4 laptops, trusted business machines used by professionals worldwide for their legendary durability and reliability. With 2995mAh/46Wh capacity at 15.36V, 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 L13, maintaining the same form factor, electrical characteristics, and safety features as the original L21L4PG1 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 on the iconic ThinkPad platform.