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: L17C6P71
3.Voltage: 11.4V
4.Capatity: 48Wh 4220mAh
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:
L17L6P71 SB10K97617 01AV470 L17M6P71 SB10K97618 01AV471 L17C6P71 SB10K97619 01AV472 L17M6P72 SB10K97628 01AV484 L17C6P72 SB10K97629 01AV485

9.Compatible Models (use "Ctrl+F to find your model quickly")
ThinkPad X280 A285 Series Notebook

10.Package included:
1X L17C6P71 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.