Welcome to OUWEE
Before placing your order, we highly suggest you to open the back case of your latptop and check out the exact part number of your laptop's original battery.

1.Battery Type: Rechargeable Li-ion Battery
2.Model: 45N1132
3.Voltage: 10.8V
4.Capatity: 48Wh 4400mAh
5.Connector: Please refer to the picture and check it.
6.Certificate: CE,RoHS,FCC，100% New from Manufacturer, Grade A Cell
7.Worry-Free Warranty:
At OUWEE, we believe in our battery. That's why we back them all with an 12-month warranty and provide friendly customer service, easy-to-reach support.

8.Replacement for Part Number:
68 68+ 0C52861 45N1126 45N1127 45N1124 45N1125 45N1775 45N1776 45N1777 45N1132 45N1736 45N1136 45N1738 45N1128 45N1767

9.Compatible Models (use "Ctrl+F to find your model quickly")
ThinkPad X240 X250 X260 X270 Series
ThinkPad T440 T440S T450 T450S T460 T460P T470P Series
ThinkPad L450 L450S L460 L460S Series
ThinkPad T550 T550s T560 Series
ThinkPad W550 W550s Series
ThinkPad A275 P50S Series

(Purchaseing Note: The above models are designed with dual batteries. This listing is a external battery. Please make sure you replace the built-in battery or the external battery before purchasing.)

10.Package included:
1X 45N1132 Battery.

11.For Optimal Use battery:
①Discharge the new battery to 5% (not 0%), then charge and cycle 3-4 times to wake up the new battery.
②The important point is to perform a full discharge charge every other month to extend battery life.
③Don't connect adapter for a long time while using the battery. It may damage the battery.
④Avoid artificial shocks, disassembly, crush or puncture.