Shipped from the US warehouse, it only takes 5-7 days.
Replacement Battery Specification
- Battery Model: T440P
- Capacity: 57WH / 5200mAh (6 Cells)
- Voltage: 10.8V
- 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
- 45N1144
- 45N1145
- 45N1148
- 45N1149
- 45N1150
- 45N1151
- 45N1152
- 45N1153
- 45N1158
- 45N1159
- 45N1160
- 45N1769
- 45N1779
Compatible Laptop Model
- For Lenovo ThinkPad T440P Series
- For Lenovo ThinkPad T540P Series
- For Lenovo ThinkPad W540 Series
- For Lenovo ThinkPad W541 Series
- For Lenovo ThinkPad L440 Series
- For Lenovo ThinkPad L540 Series
Product Features
- High Capacity Performance: 57Wh/5200mAh capacity delivers extended runtime for demanding business applications and mobile productivity
- Premium Li-ion Cells: Advanced lithium-ion technology ensures stable voltage output and reliable power delivery throughout the discharge cycle
- Wide Compatibility: Fully compatible with multiple ThinkPad series including T440P, T540P, W540, W541, L440, and L540 models
- OEM-Grade Quality: Meets or exceeds original equipment manufacturer specifications for voltage, capacity, and safety standards
- Built-in Protection: Integrated circuit protection against overcharge, over-discharge, short circuit, and overheating for safe operation
- Easy Installation: Direct drop-in replacement design allows quick battery swap without tools or technical expertise
Why Choose This Battery
This premium replacement battery is engineered specifically for Lenovo ThinkPad mobile workstations and business laptops. Whether you're a corporate professional managing multiple projects, a field technician requiring reliable mobile power, or an IT administrator maintaining fleet equipment, this battery delivers the performance and longevity your ThinkPad demands.
Built with high-quality lithium-ion cells and advanced battery management circuitry, this replacement ensures optimal compatibility with ThinkPad's power management system. The 57Wh capacity provides substantial runtime for productivity applications, video conferencing, and data processing tasks. Each battery undergoes rigorous quality control testing to verify capacity accuracy, voltage stability, and safety compliance before shipping.
Backed by a comprehensive 1-year warranty and compatible with 13 different OEM part numbers, this battery offers exceptional value for extending your ThinkPad's mobile productivity. The precision-engineered housing ensures perfect fit and secure connection, while built-in protection circuits safeguard both the battery and your laptop from electrical faults.