This is a generic, equivalent one, 100% compatible. This 11.55V 42Wh Replacement battery is designed to compatible with ASUS B31N1912 C31N1912 0B200-03680200 0B200-03680000.

Specifications:
* Product Type: generic/equivalent
* Battery Voltage: 11.55V
* Battery Capacity: 42Wh
* Chemistry: Li-ion
* Cell: 3 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:
B31N1912, C31N1912, 0B200-03680200, 0B200-03680000

Compatible with the following ASUS Laptop models:
For Asus VivoBook 14 E410MA Series:
VivoBook 14 E410MA-EK007TS,14 E410MA-EK017TS,14 E410MA-EK018TS,14 E410MA-EK026TS,14 E410MA-BV1169TS,14 E410MA-EK028TS,14 E410MA-EK087T,14 E410MA-EK211T,14 E410MA-EK319T,14 E410MA-EK321T,14 E410MA-EK327TS,14 E410MA-EK367TS,14 E410MA-EK378T,14 E410MA-EK505T,14 E410MA-EK542T,14 E410MA-EK946TS,14 E410MA-EK991TS.

For Asus VivoBook 14 L410MA Series:
VivoBook 14 L410MA-BV037TS,14 L410MA-BV053TS,14 L410MA-BV058TS, L410MA-BV076TS,14 L410MA-BV077TS.
For Asus VivoBook E410KA-EK139TS Series.
For Asus VivoBook E510KA-EJ033TS Series.
For Asus VivoBook F414MA Series.
For Asus VivoBook L510MA Series.
For Asus VivoBook R522MA Series.
For Asus VivoBook E510MA Series.

Package Included:
1 x Replacement Laptop Battery for ASUS B31N1912 C31N1912 0B200-03680200 0B200-03680000 11.55V 42Wh