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Overview

57Wh 10.8V replacement laptop battery compatible with Lenovo ThinkPad T440P, T540P, W540, W541, L440, and L540 series.

KingSener 57Wh 10.8V Laptop Battery for Lenovo ThinkPad T440P, T540P, W540, W541, L440, L540 Series

Model: T440P
Web Code: 19729088
Sold and shipped by | 4.5 seller rating (4 reviews)

Available for deliveryAvailable online only

Delivery times vary by location. Most Marketplace items leave sellers' locations within 2 business days. Allow additional time for shipping.

Seller Return Policy

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Warranty

Check with the manufacturer for details.

For Quebec residents: See the Availability Guarantee disclosure in the Specifications section below.

• Li-ion replacement laptop battery with 10.8V output and 57Wh capacity, designed to deliver stable and reliable power for compatible Lenovo ThinkPad models.

• Compatible with Lenovo ThinkPad T440p, T540p, W540, W541, L440, and L540 series laptops.

• Replaces Lenovo battery part numbers 45N1144, 45N1145, 45N1148, 45N1149, 45N1150, 45N1151, 45N1152, 45N1153, 45N1158, 45N1159, 45N1769, and 45N1779.

• Supports up to 500 recharge cycles over the life of the battery, with actual runtime depending on device power usage and operating conditions.

• For initial use, ensure the battery interface is fully connected, then discharge to about 5% and recharge to around 95%, repeating the cycle 3–4 times for optimal performance.

Product Condition
Brand New
Colour
Black
Laptop Manufacturer
Other

For Quebec residents – Disclosure under the Consumer Protection Act

In compliance with Bill 29, Best Buy and third-party sellers on Best Buy Marketplace do not guarantee the availability of replacement parts, repair services, or maintenance information for any products. Coverage provided through any Best Buy Protection programs and applicable manufacturer warranties, if any, remain in place. Please contact the manufacturer directly for information about their availability guarantee.

Shipping Charges

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Processing Time

Most items ship within 2 business days after an order is placed*. Allow additional time for shipping to your address.
*Please note: If an item you ordered becomes unavailable, you'll be notified and a full refund will be processed within 2 business days.

Shipping Area Restrictions

Shipping is not available in the following areas*:
  • Yukon
  • Northwest Territories
  • Nunavut
*Please note: Shipping area restrictions may vary for large items. If an item can't be shipped to your address, we'll let you know during the checkout process.
See our return policy to find specific return information for this product and steps on how to return by mail.