1. Please ensure that the shipping address is 100% correct.

Please ensure that your address can receive the package.

2. Please provide the correct phone number

Specifications:

Battery Type: Li-ion

Voltage: 7.7V

Capacity: 37WH

Compatible with Part Number :

C21N1818 C21N1818-2 B21N1818 B21N1818-2 0B200-03280500 C21PpJH.

Compatible With Models:

For Asus Y4200 Y5200F Series;
ForAsus VivoBook S14 S412F S412FA S412FJ S412FL S412D S412DA S412DK S412U S412UA Series;
ForAsus VivoBook 14 A412 A412D A412DA A412DK A412F A412FA A412FL A412FJ A412U A412UA Series;
ForAsus VivoBook 14 F412 F412D F412DA F412DK F412F F412FA F412FL F412FJ F412U F412UA Series;
ForAsus VivoBook 14 R424D R424DA R424F R424FA Series;
ForAsus VivoBook 14 X412 X412D X412DA X412DK X412F X412FA X412FJ X412FL X412UA X412U X412UB X412UF X412J X412JA Series.

Safety

Our batteries are UL/CE-/FCC-/RoHS certified for safety protection
Over-voltage protection
High voltage protection
Short circuit protection
Over-temperature protection

Safety

Our batteries are UL/CE-/FCC-/RoHS certified for safety protection
Over-voltage protection
High voltage protection
Short circuit protection
Over-temperature protection

Here are some warm tips:

It is recommended to fully charge the battery when using it for the first time IF the battery is not charging？
1. make sure that the battery cable and the motherboard interface are tightly inserted2. Laptop motherboard may be defective3. The battery dose not fit for your laptop(Please ensure that you have purchased the correct battery model)4. Check whether the battery drive is in normal condition, if not, download the corresponding driver software to update.5. There is a problem with the computer detection software, which usually just restart the computer.

IF "Item not received"

Almost all packages will be delivered within the expected time.
Very few packages cannot be delivered on time due to bad weather conditions and uncontrollable factors.
(If your package delivery fails, we will refund or send you a replacement)

If something goes wrong, please feel free to contact our customer service first. Our customer service will reply to you within 48 hours (there is a time difference between us, weekends are not business days) and provide you with a reasonable solution. Don't worry, your order has a protection period of several months.In order to solve the problem for you faster, it is recommended to tell customer service about the specific model of your laptop or attach a picture of your original battery when you send an email to them.