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11.4V 44Wh 45N1741 45N1743 45N1742 Replacement Laptop Battery For Lenovo ThinkPad T550 T550S W550 W550S Series

Chengyuan Technology 45N1741 Replacement Battery for Lenovo ThinkPad T550 T550s

11.4V 44Wh 45N1741 45N1743 45N1742 Replacement Laptop Battery For Lenovo ThinkPad T550 T550S W550 W550S Series

Chengyuan’s 45N1741 laptop batteries are 100% brand-new and replacement types, compatible with the Lenovo ThinkPad T550 T550s W550 W550s series laptops. They offer a output of 11.25V and a true capacity of 44Wh.

Our aftermarket 45N1741 models are built with Grade A Li-polymer cells and the original ICs, which are manufactured to meet or exceed the original specifications, ensuring a longer battery lifespan and great compatibility. Each battery is 100% strictly tested before shipment to ensure safety. A 1-year warranty is guaranteed. Please feel free to email us for additional pricing information!

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Product Specifications

Model Number 45N1741
Place of Origin China
Type Li-polymer battery
Voltage 11.4V
Capacity 44Wh/3900mAh
Cell Grade A
Warranty 12 months
Condition Brand New
Cycles Times 500-800 Cycles
Customize Logo MOQ - 100 pcs
Customize Packing MOQ - 2000 pcs
Certificates FCC, CE, UL, MSDS, RoHS
Replace Part Numbers
45N1740
45N1741
45N1742
45N1743
00NY639
SB10K12721
Compatible Laptop Models
For Lenovo ThinkPad T550 Series
For Lenovo ThinkPad T550s Series
For Lenovo ThinkPad W550 Series
For Lenovo ThinkPad W550s Series

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About Us

We are not just another battery supplier, we are a partner you can trust. Our business principles are rooted in honesty, integrity, and transparency. We believe in delivering what we promise – high-quality products with no deception or fraud. We offer end-to-end after-sales services, ensuring that our customers receive consistent support and reliable solutions.

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Contact Us
  • Shenzhen Chengyuan Technology Co., Ltd
  • Email: jenny@cylxpower.com
  • Mobile: +86-18680307940
  • Whatsapp: +86-18680307940
  • Skype: chengyuanbattery
  • Address: Longhua District, Shenzhen, Guangdong, China

© 2025 Shenzhen Chengyuan Technology Co., Ltd. All rights reserved.

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Disclaimer: All brand names, model names or marks are owned by their respective manufacturers. Shenzhen Chengyuan Technology Co., Ltd has no affiliation with the OEM. These terms are used for identification purposes only and are not intended to indicate affiliation with or approval by the OEM. All parts are manufactured by, for and warranted by Shenzhen Chengyuan Technology Co., Ltd and are not manufactured by, purchased from or warranted by the OEM.

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