6-Cell Battery for Lenovo ThinkPad T440P T540P W540 L440 45N1144
6-Cell Battery for Lenovo ThinkPad T440P T540P W540 L440 45N1144
SUOZHAN 6-Cell Replacement Laptop Battery for Lenovo ThinkPad
Keep your Lenovo ThinkPad running longer with this high-capacity 6-cell lithium-ion replacement battery from SUOZHAN. Engineered to match OEM specifications, this battery pack delivers reliable, consistent power for your ThinkPad T440P, T540P, W540, W541, L440, and L540 laptops. CE and FCC certified for safety and quality assurance.
Key Specifications
- Battery Cells: 6 Cells
- Voltage: 10.8V
- Battery Type: Lithium-Ion (Li-Ion)
- Part Number: T440P-57+ / 45N1144 / 45N1145 / 45N1148 / 45N1158 / 45N1159
- Compatible Brand: Lenovo
- Certification: CE, FCC
- High-Concern Chemicals: None
Compatible Lenovo ThinkPad Models
- ThinkPad T440P
- ThinkPad T540P
- ThinkPad W540
- ThinkPad W541
- ThinkPad L440
- ThinkPad L540
Why Choose This Battery?
- Direct Drop-In Replacement: Designed as a plug-and-play upgrade — no modifications needed.
- CE & FCC Certified: Meets international safety and electromagnetic compatibility standards.
- Li-Ion Technology: Provides stable voltage output and extended cycle life for long-term use.
- Multiple Part Number Compatibility: Replaces 45N1144, 45N1145, 45N1148, 45N1158, and 45N1159 OEM part numbers.
- Built-In Protection: Internal circuit protection against overcharge, over-discharge, and short circuit.
Made in Mainland China.
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Frequently Asked Questions
Q: Which Lenovo ThinkPad models is this 6-cell battery compatible with?
A: This SUOZHAN 6-cell laptop battery is compatible with the Lenovo ThinkPad T440P, T540P, W540, W541, L440, and L540. It replaces OEM part numbers 45N1144, 45N1145, 45N1148, 45N1158, and 45N1159.
Q: What certifications does this replacement laptop battery carry?
A: This battery is CE and FCC certified, meeting international safety and electromagnetic compatibility standards. It features built-in circuit protection against overcharge, over-discharge, and short circuit events.
Q: Is this battery easy to install in my ThinkPad laptop?
A: Yes. This is a direct drop-in replacement designed to fit the same battery slot as your original Lenovo ThinkPad battery. No modifications or special tools are required — simply slide it into place and you're ready to go.
Production & Packaging Notice
To maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.