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: BTY-M57
3.Voltage: 15.2V
4.Capacity: 64Wh 4280mAh
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:
BTY-M57

9.Compatible Models (use "Ctrl+F to find your model quickly")
Fit for MSI GP66 Leopard 10UE 10UG 10UH 11UE 11UG 11UH Series
Fit for MSI GP76 Leopard 10UE 10UG 10UH 11UE 11UG 11UH Series
Fit for MSI Vector GP66 12UE 12UG 12UGS 12UH Series
Fit for MSI Vector GP76 12UE 12UG 12UGS 12UH Series

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

10.Package included:
1X BTY-M57 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.