【Customer First】We specialize in providing quality power products and quality customer service. (Note: Amazon return windows will close after one month, If you have any problem with battery, please Contact us - in “YOUR ORDER” options click the “contact seller”.) 【Tech Specs & 100% New Products】 Model:B31N1842 Voltage:11.52V Capacity: 42Wh/3653ccmAh Battery type: Li-ion. (We only use grade A battery cells that provide up to 500 recharge cycles over the life of the battery. Come with screwdrivers.)【Tech Specs & 100% New Products】 Model:B31N1842 Voltage:11.52V Capacity: 42Wh/3653ccmAh Battery type: Li-ion. (We only use grade A battery cells that provide up to 500 recharge cycles over the life of the battery. Come with screwdrivers.) 【Compatible Part Number】B31N1842 3ICP5/57/80 0B200-03440000 【Replacement For Laptop】①for ASUS VIVOBOOK 15 M513 S513EA S513IA X513EA X513EP X513EQ X513UA Series; ②for ASUS VIVOBOOK S15 K531FA K531FL S5500FL V531FA V531FL X513IA X531FA X531FA-2E X531FA-2S X531FL Series; ③for ASUS VIVOBOOK S15 S530FA Series; ④S530FA-BQ193R S530FA-BQ443T S530FA-EJ042T S530FA-EJ269; ⑤for ASUS VIVOBOOK S15 S531FA Series: ⑥S531FA-BQ007T S531FA-BQ010 S531FA-BQ022T S531FA-BQ023T S531FA-BQ025T; ⑦for ASUS VIVOBOOK S15 S531FL Series;⑧S531FL-BQ001T S531FL-BQ010T S531FL-BQ012T 【Security】All Mobik products are certified by UL / CE / FCC / RoHS for safety. We’re so confident in the performance of our replacement laptop batteries, strict guidelines for compatibility, strict quality control standards and standards compliance for environment safety. (including short circuit, overheat, and overload protections.) 【Tips】If the new battery is not recognized during the initial installation, please reinstall and check if the interface is fully connected. Discharge the new battery to 5% (not 0%), then charge and cycle 3-4 times to wake up the new battery. About Mobik:
Mobik focuses on notebook batteries and provides high quality notebook batteries for every customer. Customer satisfaction is our primary goal. We value every customer, we have a professional team, to provide service for you, thank you for your patronage.

<1>Battery Type:Rechargeable Li-ion Battery
<2>Model: B31N1842
<3>Voltage:11.52V
<4>Capatity:42Wh/3653ccmAh
<5>Connector:Please refer to the picture and check it.
<6>Certificate: CE, RoHS, FCC, 100% New from Manufacturer, Grade-A Cell.

<7>Fit for Laptop Models (use "Ctrl+F to find your model quickly")
for ASUS VIVOBOOK 15 M513 S513EA S513IA X513EA X513EP X513EQ X513UA Series; for ASUS VIVOBOOK S15 K531FA K531FL S5500FL V531FA V531FL X513IA X531FA X531FA-2E X531FA-2S X531FL Series; for ASUS VIVOBOOK S15 S530FA Series; for ASUS VIVOBOOK S15 S531FA Series; for ASUS VIVOBOOK S15 S531FL Series;

<8>Replacement for Battery
B31N1842 3ICP5/57/80 0B200-03440000

<9>Package included:
1* battery + 1* instruction manual + 1* screwdriver kit

<10>Buy with confidence:
Although Amazon's return time is limited. Don't worry, you can contact us