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: L18M4PF3
3.Voltage: 15.36V
4.Capatity: 45Wh 2965mAh
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:
L18C4PF3 L18M4PF3 L18M4PF4 L18C4PF4 5B10T09077 5B10T09080 5B10W67417 5B10W67415 5B10W67221 5B10T09081 5B10T09079 5B10W67194

9.Compatible Models (use "Ctrl+F to find your model quickly")
Fit for Lenovo ideapad C340-14API C340-14IML C340-14IWL Series
Fit for Lenovo ideapad S540-14API Series
Fit for Lenovo ideapad S540-14IML S540-14IML Touch Series
Fit for Lenovo ideapad S540-14IWL / S540-14IWL Touch Series
Fit for Lenovo IdeaPad Flex-14IML / Flex-14IWL / FLEX-14API Series

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

10.Package included:
1X L18M4PF3 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.