Replacement Battery Specification
- Battery Model: L21L4PD8
- Capacity: 4622mAh/71Wh
- 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
- L21L4PD8
- SB11F09739
- 5B11F09740
- L21M4PD8
- SB11F09735
- 5B11F09737
- L21M3PD7
- SB11F09741
- 5B11F09734
- L21C3PD7
- SB11F09736
- 5B11F09738
Compatible Laptop Model
- For Lenovo ThinkBook 16 G4+ Series
- For Lenovo ThinkBook 16 G4+ IAP Series
- For Lenovo ThinkBook 16 G4+ ARA Series
Product Features
- High-Capacity Power: 4622mAh/71Wh capacity provides extended runtime for all-day productivity, business travel, and mobile computing
- OEM-Level Compatibility: 100% compatible with Lenovo ThinkBook 16 G4+ series 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 ThinkBook 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 ThinkBook Battery
This replacement laptop battery is specifically designed for Lenovo ThinkBook 16 G4+ series laptops, modern business machines trusted by professionals worldwide for their performance and reliability. With 4622mAh/71Wh 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 ThinkBook 16 G4+, maintaining the same form factor, electrical characteristics, and safety features as the original L21L4PD8 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 ThinkBook 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 modern ThinkBook platform.