Welcome to OUWEE
OUWEE are mainly sold adapter, laptop and Tablet battery, power bank , etc.
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: L20M4P72
3.Voltage: 15.36V
4.Capatity: 57Wh 3711mAh
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:
L20M4P72 / SB10W51915 / 5B10W51814 / L20L4P72 / SB10W51914 / 5B10W13976 / L20C4P72 / SB10W51916 / 5B10W51815 / L20D4P72 / SB10W51917 / 5B10W51816

9.Compatible Models (use "Ctrl+F to find your model quickly")
Fit for Lenovo ThinkPad T14s Gen 2 2021 Series

Not all models are listed,please check the part number of your original battery.

10.Package included:
1X L20M4P72 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. Do not dispose of in fire or water.
⑤Avoid using the battery in an environment where the temperature is too high or too low.