TsuLin L18M4P71 Laptop Battery Replacement for Lenovo ThinkPad P1 X1 Extreme 1st Gen 2018 2nd Gen 2019 Series Notebook SB10S57317 01YU911 SB10Q76928 L17M4P72 L17C4P72 SB10Q76929 15.36V 80Wh 5235mAh

Welcome to TsuLin
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:L18M4P71
3.Voltage:15.36V
4.Capatity:80Wh 5235mAh
5.Connector: Please refer to the picture and check it.
6.Certificate: CE,RoHS,FCC100% New from Manufacturer, Grade A Cell.
All TsuLin products are Certified by CE, FCC for safety. Strict guidelines for compatibility, and standards compliance for environment safety.
7.Worry-Free Warranty:
At TsuLin, we believe in our battery. That's why we back them all with a 12-month warranty and provide friendly customer service, easy-to-reach support.

8.Replacement for Part Number:
L18M4P71 SB10S57317 01YU911 SB10Q76928 L17M4P72 L17C4P72 SB10Q76929

9.Compatible Models (use "Ctrl+F to find your model quickly")
ForLenovo ThinkPad P1 1st Gen(P1 2018) Series
ForLenovo ThinkPad P1 2nd Gen(P1 2019) Series
ForLenovo ThinkPad X1 Extreme 1st Gen(X1 Extreme 2018) Series
ForLenovo ThinkPad X1 Extreme 2nd Gen(X1 Extreme 2019) Series.

10.Package included:
1X L18M4P71 Battery.

11.For Optimal Use battery:
<1>Discharge the new battery to 5% (not 0%), then charge and cycle 3-4 times to get the new battery a full capacity.
<2>The important point is to perform a full discharge charge every other month to extend battery life.
<3>Don't connect adapter for a long time while using the battery. It may damage the battery.
<4>Avoid artificial shocks, disassembly, crush or puncture. Do not dispose of in fire or water.
<5>Avoid using the battery in an environment where the temperature is too high or too low.