This is a generic, equivalent one, 100% compatible. This 15.4V 55Wh Replacement battery is designed to compatible with ASUS ROG Zephyrus GM501 GM501G GM501GM GU501 GU501GM Series.

Specifications:
* Product Type: generic/equivalent
* Battery Voltage: 15.4V
* Battery Capacity: 55Wh / 3605mAh
* Chemistry: Li-ion
* Cell: 4 Cells
* Color: black
* recharge cycles：500
* Operation time: Around 1.5-3 hours
* Certification: CE FCC RoHS
* Condition: new, 1 Year Warranty!
* No memory effect, Over-charge protection, Over-discharge protection.
* Over-heat protection, Over-current protection, Short-circuit protection.

Compatible Part Numbers:
C41N1727, 0B200-02900000, 4ICP7/48/70.

Compatible with the following ASUS Laptop models:
For ASUS ROG Zephyrus GM501 Series

For ASUS ROG Zephyrus GM501G Series

For ASUS ROG Zephyrus GM501GM Series:

GM501GM-WS74, GM501GM-EI017T, GM501GM-EI007T, GM501GM-0021A8750H, GM501GM-EI031T, GM501GM-EI021T, GM501GM-ei004T, GM501GM-EI029T, GM501GM-EI005T, GM501GM-EI003T, GM501GM-EI028T, GM501GM-EI008T.
For ASUS ROG Zephyrus GM501GS Series:

GM501GS-XS74, GM501GS-EI024T, GM501GS-EI012T, GM501GS-EI028T, GM501GM-ei039T, GM501GS-EI014T, GM501GS-EI017T, GM501GS-US74, GM501GS-EI023T, GM501GS-EI004T, GM501GS-EI005T, GM501GS-EI027T, GM501GS-EI013T, GM501GS-EI030T, GM501GS-EI015T, GM501GS-0021A8750H, GM501GS-EI018T, GM501GS-EI001T, GM501GS-EI003T.
For ASUS ROG GU501 Series

For ASUS ROG GU501GM Series:

GU501GM-BI7N8

Package Included:
1 x Replacement Laptop Battery for ASUS ROG Zephyrus GM501 GM501G GM501GM GU501 GU501GM Series 15.4V 55Wh