45N1742 Battery for Lenovo ThinkPad T550 T560 W550 P50S
Détails du produit
Product Overview
The 45N1742 is a 100% brand new Li-polymer replacement battery rated 3990mAh / 44Wh at 11.4V, built for Lenovo ThinkPad T550, T550s, T560, W550, W550s and P50S mobile workstations. It replaces part numbers 45N1740, 45N1741, 45N1742, 45N1743, 00NY639 and SB10K12721, matching the original pack in capacity, voltage and connector layout for dependable all-day business use. Ships in Black with a 1-year warranty.
Specifications
| Attribute | Details |
|---|---|
| Standard Model | 45N1742 |
| Capacity | 3990mAh / 44Wh |
| Voltage | 11.4V |
| Battery Type | Li-polymer |
| Cell | Made in China, high quality guarantee |
| Color | Black |
| Condition | Replacement Battery (100% Brand New, 1-year warranty!) |
Replace Part Numbers
- 45N1740
- 45N1741
- 45N1742
- 45N1743
- 00NY639
- SB10K12721
Compatible Models
For Lenovo ThinkPad T550 / T550s Series
- For Lenovo ThinkPad T550 Series
- For Lenovo ThinkPad T550s Series
For Lenovo ThinkPad T560 Series
For Lenovo ThinkPad W550 / W550s Series
- For Lenovo ThinkPad W550 Series
- For Lenovo ThinkPad W550s Series
For Lenovo ThinkPad P50S Series
FAQ
Which Lenovo ThinkPad models take the 45N1742 battery?
It powers the ThinkPad T550, T550s, T560, W550, W550s and P50S series. Not all compatible machine types are listed, so open the back of your laptop and read the original battery code before ordering.
Which part numbers does the 45N1742 replace?
It replaces 45N1740, 45N1741, 45N1742, 45N1743, 00NY639 and SB10K12721.
What are the specifications of this pack?
11.4V Li-polymer at 3990mAh / 44Wh in a Black housing, 100% brand new, safety tested and covered by a 1-year warranty.
Service client
Contactez-nous pour toute question sur les produits et les commandes.
Garantie
- Les produits bénéficient d’une garantie d’un an à compter de la date d’achat.
- Elle couvre les défauts de fabrication dans des conditions normales d’utilisation. Les dommages liés à une mauvaise utilisation, un accident, l’usure normale ou une modification non autorisée sont exclus.
- Pour une demande de garantie, contactez-nous avec votre numéro de commande et des photos.



