Shipped from the US warehouse, it only takes 5-7 days.
Replacement Battery Specification
- Battery Model: T440P
- Capacity: 100WH / 8960mAh (9 Cells)
- Voltage: 11.1V
- 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
- For Lenovo ThinkPad T540P
- For Lenovo ThinkPad W540
- For Lenovo ThinkPad W541
- For Lenovo ThinkPad L440
- For Lenovo ThinkPad L540
Product Features
- Extended High Capacity: 100Wh/8960mAh 9-cell configuration delivers maximum runtime for demanding workstation applications and all-day mobile productivity
- Premium Li-ion Cells: High-grade lithium-ion technology provides stable voltage output and exceptional charge retention over hundreds of cycles
- Professional Workstation Power: Engineered for ThinkPad W-series mobile workstations and high-performance T-series business laptops requiring extended battery life
- OEM-Grade Construction: Meets or exceeds Lenovo original specifications for voltage, capacity, safety standards, and physical dimensions
- Multi-Layer Protection: Advanced battery management system with overcharge, over-discharge, short circuit, overcurrent, and thermal protection circuits
- Wide Compatibility: Compatible with 13 different OEM part numbers across six ThinkPad series, ensuring broad fitment for business and workstation models
Why Choose This Battery
This premium high-capacity replacement battery is engineered for professionals who demand maximum mobile runtime from their Lenovo ThinkPad workstations and business laptops. Whether you're a CAD engineer running intensive 3D modeling applications, a data analyst processing large datasets, a field consultant requiring all-day battery life, or an IT professional managing remote infrastructure, this 100Wh battery delivers the extended power your workflow demands.
Built with premium lithium-ion cells and sophisticated battery management circuitry, this 9-cell replacement ensures optimal integration with ThinkPad's advanced power management and thermal control systems. The 100Wh capacity—the maximum allowed for airline carry-on—provides substantially longer runtime than standard 6-cell batteries, supporting extended work sessions for CAD/CAM software, virtual machines, data analysis tools, and multi-monitor setups. Each battery undergoes comprehensive quality validation including capacity testing, voltage regulation verification, safety circuit validation, and physical fit confirmation.
Backed by a comprehensive 1-year warranty and compatible with both T-series business laptops and W-series mobile workstations, this battery offers exceptional value for professionals requiring maximum mobile productivity. The precision-engineered housing ensures secure mounting and reliable electrical connection, while multi-layer protection circuits safeguard both the battery and your valuable ThinkPad from electrical faults and thermal events during intensive workloads.
Note:
This is not a complete list or inclusion of all compatible laptop models. You can open the back of your laptop to check the original battery model. If you have any compatibility questions, please contact us online.The casing is made of durable materials, the mainboard adopts advanced technology, and the battery core is produced with high-quality raw materials to ensure that it will not be damaged after long-term use.
Our products are equipped with multiple protection technologies such as overvoltage, overcurrent, and overcharge to effectively protect the safety of batteries and equipment.
Shipping Methods
| Shipping Methods | Ship To | Est. Delivery Time | Shipping Cost | Taxes & Fees |
|---|---|---|---|---|
| USPS / DHL | United States | 10-15 business days | Free | Free |
| Canada Post | Canada | 10-15 business days | Free | Free |
| Royal Mail / Yodel | United Kingdom | 15-20 business days | Free | Free |
| DHL | Germany | 15-20 business days | Free | Free |
| La Poste | France | 15-20 business days | Free | Free |
| Correios | Mexico/Spain/IT | 15-25 business days | Free | Free |
| Local Carriers | SE Asia / East Asia | 5-10 business days | Free | Free |
| Local Carriers | Rest of Europe | 20-25 business days | From $5.99 | Free |
| Local Carriers | UAE / Saudi Arabia / Israel | 16-20 business days | From $7.99 | Free |
📦 Shipping & Tracking Information
Looking for faster shipping? We offer local warehousing services. Please visit our "Local Delivery" page for items available for immediate dispatch.
1. How to Track Your Package:
Please choose the tracking link that corresponds to your destination:
- Europe & The Americas: 17track.net/en
- The Middle East: mena56.com
- Asia: 17exp.kingtrans.cn
Need Help?
If you cannot find your package on any of the above websites, please contact us immediately.
📧 Email: sales@batterymall.com / info@batterymall.com
📱 WeChat/WhatsApp: (+86) 198 6775 1872 / (+86) 191 2767 3310
🚚 Estimated Delivery Time
(1) Shipping from China:
- To Asia: 5-20 business days
- To North America: 10-15 business days
- To Europe/South America: 15-20 business days
(2) Shipping from Local Warehouses:
- From US Warehouse: 3-5 business days
- From European Warehouse: 2-10 business days
- From Russian Warehouse: 3-5 business days
Please note: Exact arrival times depend on the specific country and customs processing.
⚠️ Tax & Customs Information:
Global product prices include customs duties (some countries require a tax ID). Please refer to the settlement invoice for specific shipping costs. Special handling is required if your package is inspected.
Payment Methods
Paypal
Payments by PayPal, no PayPal account required. Paypal is safe and free for buyers.
PayPal account: Payment@batterymall.com
Account Name: ShenZhen KingSener Science and Technology Co., Ltd
Credit or debit card
VISA, MasterCard, the United States n Express,Maestro & Laser Card, APPLE Pay,etc.
PayPal never shares your financial information with us.
WeChat Pay
Currently only supports QR code payment. Please contact WeChat customer service and go to WeChat App to scan the QR code to complete the payment.
Google Pay
Pay with Google Pay, which is more convenient and faster.
Apple Pay
If you use an Apple device, you can use Apple Pay to pay, which is more convenient and faster.
Bank Transfer
Q&A
Quick FAQ:Laptop Battery Care & Troubleshooting
- How long does a KingSener battery last?2 to 3 years (approx. 500-800 charge cycles) under normal temperatures.
- Laptop says "Battery Not Detected". How to fix?1. Hard Reset: Unplug AC, remove battery, hold power button for 30 seconds.
2. Clean Contacts: Wipe metal connection pins.
3. Reset Drivers: Uninstall battery drivers in Device Manager, then restart.
4. Update BIOS: Ensure motherboard firmware is up to date. - Can I leave my laptop plugged in 24/7?Yes, the built-in TI chip prevents overcharging. Tip: To prevent long-term cell swelling, unplug and drain the battery to 40% twice a month.
- How do I store a laptop battery long-term?Store it at 50% charge in a cool, dry place. Never store at 0% or 100%. Cycle the battery every 3 months to maintain chemical activity.
-
Are KingSener batteries safe?Yes. All batteries feature built-in IC protection against short-circuits, over-voltage, and overheating. Fully CE, FCC, and RoHS certified.