【Specification】Voltage: 7.7V. Capacity: 37Wh/2-Cell. Battery Type: Li-ion. Condition: Brand new, from high quality materials, top circuit boards and smart chip. 【Replace Part Number】Fit for C21N1818 C21N1818-2 B21N1818 B21N1818-2 0B200-03280500 C21PpJH. 【Compatible Laptop Models】Fit for Asus VivoBook 14 R424D R424DA R424F R424FA F412 F412D F412DA F412DK F412F F412FA F412FL F412FJ F412U F412UA A412 A412D A412DA A412DK A412F A412FA A412FL A412FJ A412U A412UA X412 X412D X412DA X412DK X412F X412FA X412FJ X412FL X412UA X412U X412UB X412UF X412J X412JA Series,Asus VivoBook S14 S412F S412FA S412FJ S412FL S412D S412DA S412DK S412U S412UA Series,Asus Y4200 Y5200F Series Notebook. 【ANTIEE Promise】Everyone of our replacement batteries has tested with strict quality control standards to ensure the true capacity, stable current and low self-discharge. All ANTIEE batteries are UL / CE / FCC / RoHS Certified for safety, we are confident in the performance of the replacement battery. 【ANTIEE After-sales】We support 12 months of warranty, 24 x 7 email support. As you begin to use the product, any questions you can contact with us via "Your Orders" tab in your Amazon account, we will respond within 24 hours. ● Battery Model:C21N1818-2
● Voltage :7.7V；
● Capacity : 37Wh/2-Cell；
● Battery type : Li-ion；
● Battery Condition :Brand New；
● Support: 24 x 7 Email support, Rest assured with 30 days Refund，12 months Replacement；
● Replacement for Part Number:
C21N1818 C21N1818-2 B21N1818 B21N1818-2 0B200-03280500 C21PpJH.
● Compatible Models (use "Ctrl+F" to find your model quickly):
Fit for Asus VivoBook 14 R424D R424DA R424F R424FA Series
Asus VivoBook 14 F412 F412D F412DA F412DK F412F F412FA F412FJ F412FL F412U F412UA Series
Asus VivoBook 14 A412 A412D A412DA A412DK A412F A412FA A412FL A412FJ A412U A412UA Series
Asus VivoBook 14 X412 X412D X412DA X412DK X412F X412FA X412FJ X412FL Series
Asus VivoBook 14 X412U X412UA X412UB X412UF X412J X412JA Series
Asus VivoBook S14 S412F S412FA S412FJ S412FL S412D S412DA S412DK S412U S412UA Series
Asus Y4200 Y5200F Series Notebook.
● Note:
①New battery: Discharge the new battery to 10% (not 0%), then charge it to 100%. Cycle 3-5 times to activate its maximum capacity before use.
②Overuse: Do not keep your battery below 5% or deep discharge state (long time 0%), may turn on battery protection and cause the battery to fail to charge.
③Long-term storage: Charge it to around 50% when you store it long term. (Charge it once a month) Do not store at low power to prevent reduce the lifespan of a battery.
● Voltage :7.7V；
● Capacity : 37Wh/2-Cell；
● Battery type : Li-ion；
● Battery Condition :Brand New；
● Support: 24 x 7 Email support, Rest assured with 30 days Refund，12 months Replacement；
● Replacement for Part Number:
C21N1818 C21N1818-2 B21N1818 B21N1818-2 0B200-03280500 C21PpJH.
● Compatible Models (use "Ctrl+F" to find your model quickly):
Fit for Asus VivoBook 14 R424D R424DA R424F R424FA Series
Asus VivoBook 14 F412 F412D F412DA F412DK F412F F412FA F412FJ F412FL F412U F412UA Series
Asus VivoBook 14 A412 A412D A412DA A412DK A412F A412FA A412FL A412FJ A412U A412UA Series
Asus VivoBook 14 X412 X412D X412DA X412DK X412F X412FA X412FJ X412FL Series
Asus VivoBook 14 X412U X412UA X412UB X412UF X412J X412JA Series
Asus VivoBook S14 S412F S412FA S412FJ S412FL S412D S412DA S412DK S412U S412UA Series
Asus Y4200 Y5200F Series Notebook.
● Note:
①New battery: Discharge the new battery to 10% (not 0%), then charge it to 100%. Cycle 3-5 times to activate its maximum capacity before use.
②Overuse: Do not keep your battery below 5% or deep discharge state (long time 0%), may turn on battery protection and cause the battery to fail to charge.
③Long-term storage: Charge it to around 50% when you store it long term. (Charge it once a month) Do not store at low power to prevent reduce the lifespan of a battery.