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 C21N1818-3 B21N1818 B21N1818-3
Compatible With Models:
For Asus VivoBook D409 D409B D409BA D409D D409DA D409DJ D409DL SeriesFor Asus VivoBook M409 M409B M409BA M409D M409DA M409DJ SeriesFor Asus VivoBook F409 F409DA F409J F409JA F409JB F409F F409FA F409FB F409FJ F409U F409UA F409UB SeriesFor Asus VivoBook A409 A409DA A409M A409MA A409F A409FA A409FB A409FJ A409J A409JA A409JB A409JP SeriesFor Asus VivoBook X409 X409DA X409BA X409F X409FA X409FB X409FL X409FJ X409J X409JA X409JB X409JP X409M X409MA SeriesFor Asus VivoBook D509 D509B D509BA D509D D509DA D509DJ D509DL SeriesFor Asus VivoBook M509 M509B M509BA M509D M509DA M509DJ SeriesFor Asus VivoBook F509 F509DA F509J F509JA F509JB F509F F509FA F509FB F509FJ F509U F509UA F509UB SeriesFor Asus VivoBook A509 A509DA A509M A509MA A509F A509FA A509FB A509FJ A509J A509JA A509JB A509JP SeriesFor Asus VivoBook X509 X509DA X509BA X509F X509FA X509FB X509FJ X509FL X509J X509JA X509JB X509JP X509M X509MA 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.
