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Main image of 45N1742 45N1741 45N1743 Laptop Battery for Lenovo ThinkPad T550 T550s T560 | 45N1740 44Wh for ThinkPad W550 W550s P50S Type 20CK 20CJ 20FH 20FJ 20E2 Series SB10K12721 00NY639 3ICP/7/61/70 3ICP7/62/66

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Alt view image 4 of 7 - 45N1742 45N1741 45N1743 Laptop Battery for Lenovo ThinkPad T550 T550s T560 | 45N1740 44Wh for ThinkPad W550 W550s P50S Type 20CK 20CJ 20FH 20FJ 20E2 Series SB10K12721 00NY639 3ICP/7/61/70 3ICP7/62/66

Alt view image 5 of 7 - 45N1742 45N1741 45N1743 Laptop Battery for Lenovo ThinkPad T550 T550s T560 | 45N1740 44Wh for ThinkPad W550 W550s P50S Type 20CK 20CJ 20FH 20FJ 20E2 Series SB10K12721 00NY639 3ICP/7/61/70 3ICP7/62/66

Alt view image 6 of 7 - 45N1742 45N1741 45N1743 Laptop Battery for Lenovo ThinkPad T550 T550s T560 | 45N1740 44Wh for ThinkPad W550 W550s P50S Type 20CK 20CJ 20FH 20FJ 20E2 Series SB10K12721 00NY639 3ICP/7/61/70 3ICP7/62/66

Alt view image 7 of 7 - 45N1742 45N1741 45N1743 Laptop Battery for Lenovo ThinkPad T550 T550s T560 | 45N1740 44Wh for ThinkPad W550 W550s P50S Type 20CK 20CJ 20FH 20FJ 20E2 Series SB10K12721 00NY639 3ICP/7/61/70 3ICP7/62/66

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45N1742 45N1741 45N1743 Laptop Battery for Lenovo ThinkPad T550 T550s T560 | 45N1740 44Wh for ThinkPad W550 W550s P50S Type 20CK 20CJ 20FH 20FJ 20E2 Series SB10K12721 00NY639 3ICP/7/61/70 3ICP7/62/66

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Specification: - Voltage: 11.4V - Capacity: 44Wh 3900mAh - Battery Type: Li-ion - Condition: 100% New from Manufacturer - Brand new, constructed with premium materials, advanced circuit boards, and a smart chip Compatible Part Numbers: 45N1740, 45N1741, 45N1742, 45N1743, SB10K12721, 00NY639 Compatible Laptop Models: This replacement battery fits the Lenovo ThinkPad P50s (20FLA005CD), ThinkPad T550 (20CJ-J001SAU), ThinkPad T550 (20CK-K0029AU), ThinkPad T550 (20CJ-J0009AU), ThinkPad T550 (20CJ-J001VAU), ThinkPad T550 (20CK-K002CAU), ThinkPad T550 (20CJ-J000HAU), ThinkPad T550 (20CJ-JA002AU), ThinkPad T550 (20CJ-J000XAU), ThinkPad T550 (20CK-K002FAU), ThinkPad T550 (20CJ-JA00EAU), ThinkPad T550 (20CK-K002JAU), ThinkPad T550 (20CJ-J0011AU), ThinkPad T550 (20CJ-JA00VAU), ThinkPad T550 (20CJ-J001CAU), ThinkPad T550 (20CK-K002MAU), T560-0CCD, ThinkPad T550 (20CJ-J0019AU), ThinkPad T550 (20CJ-JA01HAU), ThinkPad T550 (20CK-K002QAU), T560-0FCD, ThinkPad T550 (20CJ-JA027AU) Series. Each replacement battery undergoes rigorous quality control testing to deliver accurate capacity, steady current, and minimal self-discharge. All batteries are UL / CE / FCC / RoHS certified for safety

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Specification: -
Voltage: 11.4V -
Capacity: 44Wh 3900mAh -
Battery Type: Li-ion -
Condition: 100% New from Manufacturer - Brand new, constructed with premium materials, advanced circuit boards, and a smart chip
Compatible Part Numbers: 45N1740, 45N1741, 45N1742, 45N1743, SB10K12721, 00NY639
Compatible Laptop Models: This replacement battery fits the Lenovo ThinkPad P50s (20FLA005CD), ThinkPad T550 (20CJ-J001SAU), ThinkPad T550 (20CK-K0029AU), ThinkPad T550 (20CJ-J0009AU), ThinkPad T550 (20CJ-J001VAU), ThinkPad T550 (20CK-K002CAU), ThinkPad T550 (20CJ-J000HAU), ThinkPad T550 (20CJ-JA002AU), ThinkPad T550 (20CJ-J000XAU), ThinkPad T550 (20CK-K002FAU), ThinkPad T550 (20CJ-JA00EAU), ThinkPad T550 (20CK-K002JAU), ThinkPad T550 (20CJ-J0011AU), ThinkPad T550 (20CJ-JA00VAU), ThinkPad T550 (20CJ-J001CAU), ThinkPad T550 (20CK-K002MAU), T560-0CCD, ThinkPad T550 (20CJ-J0019AU), ThinkPad T550 (20CJ-JA01HAU), ThinkPad T550 (20CK-K002QAU), T560-0FCD, ThinkPad T550 (20CJ-JA027AU) Series. Each replacement battery undergoes rigorous quality control testing to deliver accurate capacity, steady current, and minimal self-discharge. All batteries are UL / CE / FCC / RoHS certified for safety

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First Listed on Newegg	August 17, 2026

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Item#: 9SIC8FVM4S3893