T440P Replacement Battery Specification
- Battery Model: T440P
- Capacity: 57WH / 5200mAh (6 Cells) or 100WH / 8960mAh (9 Cells)
- Voltage: 10.8V
- Battery Type: Li-ion
- Cell: 6 Cells or 9 Cells, made in Japan, high quality guarantee
- Color: Black
- Condition: Replacement Battery (100% Brand New, 1-year warranty!)
Replace Part Numbers
- 45N1144
- 45N1145
- 45N1148
- 45N1149
- 45N1150
- 45N1151
- 45N1152
- 45N1153
- 45N1158
- 45N1159
- 45N1160
- 45N1769
- 45N1779
Compatible Laptop Models
- Lenovo ThinkPad T440P
- Lenovo ThinkPad T540P
- Lenovo ThinkPad W540
- Lenovo ThinkPad W541
- Lenovo ThinkPad L440
- Lenovo ThinkPad L540
Product Features
- Premium Japanese Cells: Built with high-quality 6-cell or 9-cell lithium-ion battery manufactured in Japan, ensuring superior performance, longer lifespan, and reliable power delivery for your ThinkPad.
- Multiple Capacity Options: Available in 57WH (6-cell) or 100WH (9-cell) configurations to match your specific power requirements and usage patterns.
- Wide Compatibility: Works seamlessly with ThinkPad T440P, T540P, W540, W541, L440, and L540 models, making it a versatile replacement for multiple professional laptop models.
- Premium Li-ion Technology: Advanced lithium-ion cells deliver stable voltage output, efficient charging cycles, and longer battery lifespan with support for hundreds of charge cycles.
- Easy Installation: Direct drop-in replacement for original Lenovo battery with simple plug-and-play design, no technical expertise required for battery swap.
- Comprehensive Safety: Built-in protection circuitry guards against overcharge, over-discharge, short-circuit, and overheating to ensure safe operation and protect your ThinkPad.
Why Choose This Battery?
This T440P replacement battery is the perfect power solution for professionals using Lenovo ThinkPad T440P, T540P, W540, W541, L440, and L540 laptops. With up to 100WH capacity and premium Japanese cells, it delivers dependable power for all-day productivity, remote work, business travel, and demanding professional applications.
Compatible with ThinkPad T440P, T540P, W540, W541, L440, and L540 series and backed by a 1-year warranty and rigorous quality testing. Perfect for business professionals, engineers, designers, and power users who need reliable backup power for their Lenovo ThinkPad laptops.