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We strongly recommend you to check your laptop model , original battery model and appearance before placing your order, it with our images to make sure it is the you need.
Specifications:
①.Battery : Rechargeable Li-ion Battery
②.Model: B21N1818-2
③.Voltage: 7.7V
④.Capatity: 37Wh
⑤.Battery Condition: Brand New
⑥.laptop Models (use "Ctrl+F to find your model quickly")
for Asus VivoBook S14 S412F S412FA S412FJ S412FL S412D S412DA S412DK S412U S412UA Series Notebook;for Asus VivoBook 14 R424D R424DA R424F R424FA F412 F412D Series Notebook;for Asus Y4200 Y5200F Series Notebook.
⑦.Part Number：
B21N1818-2 B21N1818 C21N1818-2 C21N1818 C21PPJH 0B200-03280500.
⑧.Package :
1X B21N1818-2 battery
set of 5 IN 1 screwdrivers tool
1X Instruction manual
⑨.Tips for Optimal Use battery:
If the new battery is not recognized during the initial installation, please reinstall and check if the interface is fully connected.
Before replacing the new battery, you need to completely shut down the computer and remove the power and battery to avoid short-circuit during the process.
Do Discharge the new battery use to 5%(not to 0%) and then charge to 95%, and cycle 3-4 times to wake up the new battery.
The important point is to perform a full discharge charge every other month to extend battery life.
Do not use the laptop in a high temperature environment and avoid fully charging or discharging the laptop battery for a long time, as this may damage the battery.【Asus C21N1818-2 Specifications】 Model:C21N1818-2 ./ Voltage:7.7V ./ Capacity: 37Wh /Battery : Li-ion. /Battery life: Up to 1000 recharge cycles over the life of the battery. Also comes with installation tools.（Purchasing Note: Due to the complexity of laptop battery models, you may not be able to accurately determine the model you need to purchase,Please open the back cover of the laptop to confirm the original battery model number）
【C21N1818-2 battery laptop Models】for Asus VivoBook S14 S412F S412FA S412FJ S412FL S412D S412DA S412DK S412U S412UA Series Notebook;for Asus VivoBook 14 R424D R424DA R424F R424FA F412 F412D Series Notebook;for Asus Y4200 Y5200F Series Notebook.
【Part Number】B21N1818-2 B21N1818 C21N1818-2 C21N1818 C21PPJH 0B0.
【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
【High quality】Every battery has passed factory testing, A cells ensure fast charges,built-in circuit protection ensures both safety and stability. All items must be tested and at good condition before shipped.
【】 . 24 x 7 . If you have any problem with battery, please - in “YOUR ORDER” options click the “seller”. .30 days return and 12 months Warrant.
