Laptop Battery for ASUS VIVOBOOK F412DA X412FJ X412FA X412UA X512F C21N1818

Battery for laptop ASUS VIVOBOOK F412DA X412FJ X412FA X412UA

P/N: C21N1818-2

High quality compatible laptop batteries

These compatible laptop batteries are designed to offer performance equivalent to that of the original battery, maintaining autonomy, stability and safety in daily use.

They are not original batteries from the laptop manufacturer, but compatible batteries developed under demanding technical standards, allowing us to offer an excellent quality/price ratio without compromising the operation of the equipment.

Why choose a quality compatible battery

A well-designed compatible battery not only reduces cost, but can offer completely reliable performance if it meets the appropriate parameters.

These batteries are manufactured under certified quality control processes in accordance with ISO 9001 and ISO 14001 standards, which guarantees a high level of demand in both manufacturing and environmental management.

In these batteries, priority is given to:

• Real compatibility with the equipment
• Stability in charging and discharging
• Integrated electronic protections
• Optimized useful life

This allows a safe and efficient user experience, comparable to the original battery under normal conditions of use.

What you should check before buying

To make sure Before you choose the correct battery, it is important to verify the following data:

• Original reference of the battery
• Exact model of the laptop
• Voltage (V) and capacity (mAh or Wh)
• Shape and type of connector

In each product sheet you will find a list of compatible models and equivalent references to facilitate identification.

FEATURES

Specifications

Compatible models

• Asus VivoBook 14 F412DA
• Asus VivoBook 14 X412FJ
• Asus VivoBook 14 F412FA-EB134T
• Asus VivoBook 14 X412UF
• Asus VivoBook 14 A412FA
• Asus VivoBook 14 F412UA-BV156T
• Asus VivoBook 14 F412FJ-EB084T
• Asus VivoBook 14 X412FJ-BV207T
• Asus VivoBook 14 F412FJ-EB118T
• Asus VivoBook 14 X412FJ-EB102
• Asus VivoBook 14
• Asus VivoBook 14 F412UA
• Asus VivoBook 14 X412UA
• Asus VivoBook 14 F412FJ
• Asus VivoBook 14 F412FA
• Asus VivoBook 14 X412UB
• Asus VivoBook 14 F412FJ-EB119T
• Asus VivoBook 14 F412FA-EB089T
• Asus VivoBook 14 F412FA-EB019T
• Asus VivoBook 14 X412FJ-EK091T
• Asus VivoBook 14 X412FA
• Asus VivoBook 14 X512DK-EJ045
• Asus VivoBook 15 X512FB
• Asus VivoBook 15 15 X512FA-BQ064T
• Asus VivoBook 15 F512FA-BQ067T
• Asus VivoBook 15 X512FA-EJ134T
• Asus VivoBook 15 F512FA-BQ148T
• Asus VivoBook 15
• Asus VivoBook 15 X512FA
• Asus VivoBook 15 X512FJ
• Asus VivoBook 15 X512FA-BQ063T
• Asus VivoBook 15 F512FA
• Asus VivoBook 15 X412FA-8B
• Asus VivoBook 15 X512FA-BQ067T
• Asus VivoBook 15 F512FA-BQ145T
• Asus VivoBook 15 15 X512FA-EJ135T
• Asus VivoBook 15 F512FA-BQ150R
• Asus VivoBook 1515 F1500EA
• Asus P1402UB
• Asus F412FJ
• Asus F512UA
• Asus R424FA
• Asus F412UB
• Asus F512FA
• Asus X412FA-1G
• Asus F412FA-EB019T
• Asus Y4100UB
• Asus X512FL
• Asus Pro 14 R424FA
• Asus Y4100UA
• Asus X412FA-8S
• Asus
• Asus X412UA-8S
• Asus F412DA
• Asus X412FJ-EK091T
• Asus F512FA-BQ067T
• Asus
• Asus F512UB
• Asus Pro 14 R424FA-EK109R
• Asus P1402UA
• Asus X412UA-1G
• Asus X412FJ
• Asus A412UA
• Asus X512
• Asus F415EA
• Asus VivoBook 15 X512DA
• Asus VivoBook 15 X509MA
• Asus VivoBook 15 X509UA
• Asus VivoBook 15 F509UA
• Asus VivoBook 14
• Asus VivoBook 14 F409JB
• Asus F509 Series
• Asus F509D
• Asus F509DA
• Asus F509F
• Asus F509FA
• Asus F509FJ
• Asus F509FL
• Asus F509J
• Asus F509JA
• Asus F509JB
• Asus F509M
• Asus F509MA
• Asus F509U
• Asus F509UB
• Asus K509 Series
• Asus K509F
• Asus K509FA
• Asus K509J
• Asus K509JA
• Asus L406 Series
• Asus L406M
• Asus L406MA
• Asus L406S
• Asus L406SA
• Asus M409 Series
• Asus M409B
• Asus M409BA
• Asus M409D
• Asus M409DA
• Asus M509 Series
• Asus M509B
• Asus M509BA
• Asus M509D
• Asus M509DA
• Asus M509DJ
• Asus VivoBook X409
• Asus VivoBook To avoid errors and returns, compare your laptop battery with the one shown in the photographs. In some cases they may match the P/N number and not physically match.

  This laptop battery is compatible with the indicated models (and more). You can see the complete model of your laptop located below it. If you cannot find the model of your laptop or do not know which battery is compatible, please ask and we will be happy to inform you.

  
  

  Electronic protections

  Against deep discharge	Automatic cut-off to protect the cells.
  Protection thermal	Temperature monitoring and cut-off.
  Against short circuits	Instant safety response.
  Charging temperature control	Stable and safe charging.
  RoHS	Restriction of hazardous substances

  
  

  Your model is not listed?

  It is possible that your laptop is compatible with this battery even if it does not appear explicitly in the list. This may occur because some manufacturers use the same battery in different models or variants.

  In this case, it is recommended to check the following:

  • The reference of the original battery matches one of those indicated
  • The voltage is exactly the same (critical data)
  • The connector and shape are identical
  • The dimensions are compatible with the laptop housing

  If these points coincide, it is very It is likely that the battery is compatible with the device, even if the model is not listed.

  In case of doubt, it is advisable to verify compatibility before making the purchase to avoid errors.

  
  

  Real advantages when replacing the battery

  • Recovers autonomy
    Allows you to use the laptop again without constantly depending on the charger.
  • Stable operation
    Avoid shutdowns unexpected events and improves equipment performance.
  • Longer lifespan
    Reduces the need for frequent replacements.
  • Easy installation
    In most cases, replacement is quick and does not requirerequires advanced technical knowledge.

  
  

  Compatibility: the key point

  Compatibility is the most important aspect when choosing a laptop battery. Therefore, in this sheet you will find all the compatible references and equivalent models associated with this product.

  Choosing correctly guarantees proper operation and avoids problems during installation or use.

  
  

  Recommendations for replacing the battery

  Replacing the battery of a laptop is a simple process in most cases, but it is important to follow a series of recommendations to guarantee a correct and safe installation.

  Before installation

  • Turn off the laptop completely (not in sleep mode)
  • Disconnect the charger and any peripherals
  • Work on a clean, dry surface free of static electricity

  During replacement

  • Handle the battery with care, avoiding bumps or deformations
  • Do not force connectors or parts
  • Make sure that the connector fits correctly in its position
  • Check that the battery is securely fixed in its housing

  First use of the battery

  To optimize performance and useful life, it is recommended to perform a complete initial charging cycle:

  • Charge the battery to 100% before first use
  • Use the laptop until the charge is reduced to approximately 10-15%
  • Recharge fully

  This process helps to correctly calibrate the laptop's power management system.

  Tips to extend battery life

  • Avoid frequent full discharges (0%)
  • Do not keep the battery constantly at 100% for long periods
  • Avoid prolonged exposure to high temperatures
  • Always use compatible chargers that are in good condition

  Important

  If during installation you detect that the battery does not fit correctly or the connector does not match exactly, the installation should not be forced. In that case, it is advisable to check the compatibility before continuing.