Capacity: 37Wh/4730MAH Cell: 2-Cell Voltage: 7.7V Battery type: Li-ion Replace Part Number: C21N1818-1 0B200-03280800 2ICP7/54/83 ( Note ：There are two battery type: C21N1818 and C21N1818-1. Please check your laptop's original battery before placing the order. These listing sells is C21N1818-1). Compatible Models: For ASUS VivoBook 15 F512DA F512FA F512FB F512FJ F512FL F512FL-BQ076T F512JA F512JA-AS34 F512JP F512UA; Vivobook 15 X512DA X512DA-BR7N4 X512DK X512FA X512FB X512FJ X512FL X512JA X512JF X512JP X512UB X512UA X512UF; VivoBook 15 R564DA R564FA R564JA R564JA-UH51T; VivoBook K512FA; VivoBook S512DK S512FA S512FB S512FL S512UA; VivoBook A512FA A512FB A512FL A512JA A512UF A512JP A512UA . Safety: All products are rigorously tested to ensure correct voltage, circuit protection, capacity, stable current, low self-discharge and guaranteed battery life. Laqueena Warranty :30 day refund, 12 month warranty (send a new replacement battery). If you have any questions, please contact us and we will reply by email within 24 hours. Battery Condition :Brand New Battery type :Li-ion Capacity :42Wh/3550MAH Voltage :11.55V Cell :3-Cell Replace Part Number: B31N1912 C31N1912 0B200-03680200 0B200-03680000 Need Attention: If you install the battery, you find that the laptop cannot detect the battery or the battery level cannot be displayed normally. Please check whether the battery cable is installed properly. Sometimes the battery cannot be charged because the cable is not fixed properly. Compatible 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. Asus VivoBook F414MA Series. For Asus VivoBook L510MA Series. Asus VivoBook R522MA Series. For Asus VivoBook E510MA Series. Provide Services: 30 day refund, 12 month warranty (send a new replacement battery). If you have any questions, please contact us and we will reply by email within 24 hours. About Us: Committed to providing quality customer service Note: Please make sure this battery suit for your laptop before place an order. If you can not make sure that, please contact with us freely.