🔋 45N1145 Original Lenovo ThinkPad T440P, T540P, W540, L440, L540 Laptop Battery

Restore the power and productivity of your Lenovo ThinkPad with the Original 45N1145 Battery. Designed to deliver long-lasting performance, this high-quality replacement ensures your laptop stays powered for work, meetings, and multitasking—wherever you go.

⚙️ Specifications

• Battery Model: 45N1145 / 45N1144 / 45N1142

• Voltage: 10.8V

• Capacity: 57Wh / 5200mAh

• Battery Type: Li-ion

• Number of Cells: 6 Cell

• Color: Black

• Condition: Brand New, Original Quality

• Recharge Cycles: 500+

• Certifications: CE, FCC, RoHS, UN38.3

💻 Compatible Lenovo Models

• Lenovo ThinkPad T Series:

  • T440P

  • T540P

  • T550 (Some variants)

• Lenovo ThinkPad W Series:

  • W540

  • W541

• Lenovo ThinkPad L Series:

  • L440

  • L540

🧩 Compatible Part Numbers

• 45N1145

• 45N1144

• 45N1142

• 0C52861

• 0C52862

• 0C52863

• ASM P/N: 45N1145

• FRU P/N: 45N1144

⭐ Key Features & Advantages

• ✅ Genuine Lenovo Battery – Built to match OEM standards for durability and performance

• 🔋 Long Backup Life – Get up to 4–6 hours of usage per charge (depending on workload)

• ⚡ Efficient Power Delivery – Seamlessly supports multitasking and heavy usage

• 🔒 Multi-Level Safety Protection – Protects against overcharging, overheating, and short circuits

• 💼 Perfect Fit for ThinkPads – Easy installation and full compatibility with Lenovo BIOS

• 🌱 Eco-Friendly – Complies with global environmental and quality regulations

• 📜 Product Certifications & Standards:

  • CE Certified

  • FCC Approved

  • RoHS Compliant

  • UN38.3 Certified (Air Travel Safe)

  • ISO 9001 & 14001 Manufacturing

💡 Why Choose This Battery?

• 🛡️ Tested & Trusted by Lenovo Users Worldwide

• 🔁 High-Capacity Power for Professional Laptops

• 💻 Ideal for Business, Office & Remote Use

• 🚀 Fast Shipping Across UAE – Dubai, Abu Dhabi, Sharjah & more

🧠 Tips to Maximize Battery Life

• 🔋 Don’t let the battery fully drain—charge at 20–30%

• 🌬️ Keep laptop ventilated and clean to prevent heat damage

• 🔌 Remove the charger once full to avoid trickle damage

• 🔄 Monthly battery calibration can help extend lifespan

• 💡 Reduce screen brightness and background tasks when unplugged

❓ FAQs (Frequently Asked Questions)

Q1: Is this battery compatible with the T440 (non-P)?
No, this battery is specifically for the T440P. The T440 uses a different part number.

Q2: How long does the battery last on a full charge?
You can expect 4–6 hours, depending on your workload and settings.

Q3: Is this an original Lenovo battery?
Yes, this is an original-quality replacement that meets OEM performance and safety standards.

Q4: Can I use this battery as a secondary spare?
Absolutely. It’s a great idea to keep one charged for on-the-go productivity.

Q5: Is it safe to travel with this battery?
Yes, it’s UN38.3 certified, making it safe for airline travel.

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