Skip to main contentSkip to footer
Slide 1 of 2

Overview

Brand New Li-ion Replacement Laptop Battery. 10.8 Volt 48Wh Capacity. Grade A Cells. 1 Year Warranty. 30 Day Money Back Guarantee.

BATTDEPOT NEW 3ICP6/64/84 45N1120 45N1121 45N1123 45N1122 Laptop Battery for Lenovo ThinkPad T431s Series

Model: BBBDLN2521
Web Code: 17667127
Sold and shipped by | 4.1 seller rating (453 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

Read return policy

Warranty

Check with the manufacturer for details.

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

What's included:

  • Replacement Laptop Battery x 1

• Brand New BATTDEPOT 11.1 Volt 47Wh Li-ion Replacement Laptop Battery.

• 1 Year Replacement Warranty on all BATTDEPOT Products.

• 30 Day Money Back Guarantee. Orders ship out in 1-2 business days.

Lenovo ThinkPad T431s

T431s 20a9 20AA000BUS 20AA000E 20AA000GUS 20AA000HUS 20AA000JUS 20AA000KUS 20AA000LUS 20AA000MUS 20AA000NUS 20AA000PUS 20AA000QUS 20AA000RUS 20AA000SUS 20AA000TUS 20AA000UUS 20AA000VUS 20AA000XUS 20AA0012 20AA0014 20AA0015 20AA0016 20AA0018 20AA0019 20AA001A 20AA001C 20AA001D 20AA001F 20AA001G 20AA001H 20AA001K 20AA001L 20AA001M 20AA001WUS 20AA002A 20AA002B 20AA002C 20AA002H 20AA002J 20AA002P 20AA002Q 20AA002T 20AA002U 20AA002V 20AA002WUS 20AA002YUS 20AA0030US 20AA0031US 20AA0032US 20AA0034US 20AC0005US 20AC0006US 20AC000A 20AC000BUS 20AC000CUS 20AC000DUS 20AC000EUS 20AC000FUS 20AC000HUS 20AC000KUS 20AC000MUS 20AC000PUS 20AC000RUS 20AC000TUS 20AC000VUS 20AC000WUS 20AC000XUS 20AC0010US 20AC0012US 20AC0013US 20AC0014US 20AC0016US 20AC0018US 20AC0019US 20AC001AUS 20AC001CUS 20AC001EUS i5-3337u i5-3437u i7-3687u 20AA0002CD 20AA000BUS 20AA000E 20AA000EHV 20AA000EMS 20AA0012MH 20AA0014MD 20AA0016 20AA0016GE 20AA0018MC 20AA001AIV 20AACTO1WW 20AC00J00

Lenovo Original Part Numbers:

3ICP6/64/84 45N1120 45N1121 45N1122 45N1123 ASM 45N1120 ASM 45N1122 ASM P/N 45N1120 ASM P/N 45N1122 FRU 45N1121 FRU 45N1123 FRU P/N 45N1121 FRU P/N 45N1123

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

Free standard shipping may be available on orders over a minimum amount (before taxes, fees, and promo codes). Shipping charges may vary based on item size and your shipping address. Want a shipping charge estimate? Simply add an item to your cart, then access the cart and enter your postal code in the shipping estimate section.

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.