10 Best ASUS Laptop Battery Replacement in 2026

Finding a reliable ASUS Laptop Battery Replacement can be challenging when you need your device to last through long work sessions or travel days. With so many third-party options available online, it is essential to choose a battery that matches your specific model number and maintains safety standards. A good replacement should offer consistent power output, proper voltage, and protective circuits to prevent overheating or damage to your laptop hardware.

We analyzed ten highly rated products based on their compatibility with various ASUS VivoBook and ROG series laptops. Our comparison focuses on key specifications such as cell count, capacity in watt-hours, and the quality of internal components. Each entry includes detailed information about supported models, installation requirements, and warranty policies to ensure you make an informed decision for your specific needs.

Each selection in this list highlights unique strengths, from budget-friendly options to high-capacity batteries for gaming rigs. We have organized the data to show you exactly which part numbers fit your device and what to expect in terms of longevity. Please note that availability and pricing can fluctuate frequently, so we recommend checking the current listing details before completing your purchase to avoid delays.

Top 3 Picks for Best ASUS Laptop Battery Replacement

Best Budget

B31N1912 C31N1912 Laptop Battery Replacement for ASUS VivoBook

4.3Editor score

42Wh capacity for daily use

Compatible with multiple VivoBook models

Includes screwdrivers for installation

Check price

Editor's Choice

Fancy Buying C21N1347 Laptop Battery Replacement

4.4Editor score

High 5000mAh capacity

Certified by CE and FCC standards

Works with X555 and K555 series

Check price

Best Premium

C41N1731-2 Battery Replacement for ASUS ROG Strix

4.6Editor score

67Wh high capacity for gaming

BattArmor safety system included

Compatible with G15 and G17 series

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Top 10 Best ASUS Laptop Battery Replacement in 2026 Compared

The following table provides a side-by-side comparison of all ten recommended replacement batteries. It outlines key specifications such as voltage, capacity, and compatible model series to help you quickly identify which option aligns with your laptop hardware requirements.

ProductsSpecificationsEditor scorePrice

1

Best Budget

B31N1912 C31N1912 Replacement

11.55V Voltage

42Wh Capacity

3-Cell Li-ion

For VivoBook E410

4.3Editor score

Check price

2

Editor's Choice

B31N1912 C31N1912 Polymer

11.55V Voltage

42Wh Capacity

3-Cell Polymer

For VivoBook L410

4.3Editor score

Check price

3

Editor's Choice

C21N1347 Replacement

7.6V Voltage

38Wh Capacity

3-Cell Li-polymer

For X555 and K555

4.4Editor score

Check price

4

A32-K55 Replacement

11.1V Voltage

5200mAh Capacity

Li-polymer Type

For A45 and A55

4.3Editor score

Check price

5

B31N1912 C31N1912 VivoBook

11.55V Voltage

42Wh Capacity

3-Cell Polymer

For F414 and E510

4.3Editor score

Check price

6

B31N1726 Gaming Battery

11.4V Voltage

48Wh Capacity

3-Cell Li-polymer

For TUF FX504

4.3Editor score

Check price

7

TREE.NB B31N1912 Replacement

11.55V Voltage

42Wh Capacity

3-Cell Li-ion

For E410KA Series

4.3Editor score

Check price

8

C41N1837 Zephyrus Battery

15.4V Voltage

76Wh Capacity

Grade A Cells

For GA502 Series

4.2Editor score

Check price

9

TREE.NB B31N1912 C31N1912

11.55V Voltage

42Wh Capacity

3-Cell Li-ion

For R522MA Series

4.4Editor score

Check price

10

C41N1731-2 ROG Battery

15.4V Voltage

67Wh Capacity

5.0 Tech Upgrade

For G512 Series

4.6Editor score

Check price

1. B31N1912 C31N1912 – Best Overall Value Replacement

4.3Editor scoreCheck price on Amazon

B31N1912 C31N1912 Laptop Battery Replacement for ASUS VivoBook

11.55V Voltage

42Wh Capacity

3-Cell Li-ion

For VivoBook E410

This replacement battery targets users with specific ASUS VivoBook models like the E410 and L410 series. It holds a solid 4.3 rating from verified buyers who appreciate its straightforward compatibility. The 42Wh capacity provides a reliable amount of power for typical daily tasks without weighing down your device.

Pros

• Affordable price point
• Includes installation screwdrivers
• Supports many VivoBook models
• UL and CE certified safety
• Responsive email support team

Cons

• Return window closes after one month
• May need battery cycling to wake up

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The manufacturer emphasizes safety through UL, CE, FCC, and RoHS certifications. These standards ensure the battery includes protections against short circuits and overheating. Users receive a package that includes screwdrivers to make installation easier, which is a thoughtful touch for first-time DIYers replacing their own hardware.

Some users report that the battery might not be recognized immediately upon installation. The provided advice suggests discharging to 5 percent before cycling charges to wake up the system. While this adds a small step to the process, it ensures the battery management system registers the new cells correctly.

If you own a compatible VivoBook and need a cost-effective power source, this is a strong choice. The seller offers 24×7 email support and maintains strict quality control. Always verify your specific model number before ordering to ensure the part fits your exact chassis.

Safety Certifications

Products are certified by UL, CE, FCC, and RoHS standards to ensure user safety and environmental compliance.

Installation Support

The package comes with screwdrivers and step-by-step guidance to help you install the battery without extra tools.

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2. B31N1912 C31N1912 Polymer – Solid Mid Range Option

4.3Editor scoreCheck price on Amazon

B31N1912 C31N1912 Battery for Asus VivoBook 14

11.55V Voltage

42Wh Capacity

3-Cell Polymer

For VivoBook L410

This battery uses polymer cells to deliver stable power for ASUS VivoBook 14 series laptops. It fits models ranging from E410 to L510 and carries a 4.3 rating from users who value consistent performance. The packaging includes an auxiliary installation tool to assist with the physical replacement process.

Pros

• Polymer type for stability
• Includes installation tool
• 60-day return window
• 12 months replacement policy
• Wide model compatibility list

Cons

• Return window closes after one month of receipt
• Contact seller via store page for help

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The manufacturer provides a robust warranty policy offering a 60-day return window and a 12-month replacement guarantee. This level of support helps reduce the risk associated with third-party electronic components. Buyers should note that contact instructions direct them to the seller store page on Amazon.

Users should verify their part number matches the listed compatible numbers like 0B200-03680000. The battery offers 42Wh capacity which is standard for ultrabook class devices. Its polymer construction often allows for better flexibility in chassis design compared to traditional prismatic cells.

For those seeking a reliable swap for their aging VivoBook battery, this option balances price and features well. The inclusion of a replacement policy adds peace of mind for long-term use. Ensure you follow the installation steps carefully to avoid connection issues.

Warranty Coverage

A 60-day return window and 12-month replacement policy protect your investment against manufacturing defects.

Polymer Construction

Polymer cells provide reliable power density and flexibility suitable for slim laptop chassis designs.

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3. C21N1347 – High Capacity for X555 Series

4.4Editor scoreCheck price on Amazon

Fancy Buying C21N1347 Laptop Battery Replacement for Asus X555

7.6V Voltage

38Wh Capacity

3-Cell Li-polymer

For X555 and K555

This product targets users with the older X555 and K555 series of ASUS laptops which have different voltage needs. With a capacity of 5000mAh it aims to extend runtime beyond stock expectations. It holds a strong 4.4 rating reflecting satisfaction with its performance and fit.

Pros

• Higher 5000mAh capacity
• Compatible with X555 series
• Certified safety standards
• Built-in circuit protection
• Easy wake-up cycling steps

Cons

• Requires specific model check before order
• Battery wake-up step may take time

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Security features include built-in circuit protection and certifications from CE and FCC standards. This ensures the battery is safe from overcharging and overheating events. The manufacturer provides clear instructions to discharge the new battery to 10 to 20 percent before full charging cycles.

Note that this battery is not for the VivoBook line but for the X555 series specifically. The 7.6V voltage is critical to match your existing power system correctly. Incorrect voltage can damage the motherboard or result in a non-functional device.

Select this if you need a dependable power source for your X555 laptop and want to maximize charge duration. The higher cell capacity is a distinct advantage over standard replacements. Always follow the manual guidance for installation to ensure safe operation.

Voltage Match

This 7.6V battery is specifically designed for X555 models and will not fit 11V VivoBooks.

Safety Features

Certified by CE and FCC with built-in circuits to prevent short circuits and temperature spikes.

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4. A32-K55 – Classic Series Power Supply

4.3Editor scoreCheck price on Amazon

Fancy Buying A32-K55 Laptop Battery for ASUS

11.1V Voltage

5200mAh Capacity

Li-polymer Type

For A45 and A55

This battery is designed for a wide range of older ASUS models including A45 A55 and F55 series. It offers a high capacity of 5200mAh which is beneficial for users who rely on legacy hardware. The 4.3 rating suggests consistent reliability among buyers who have purchased this unit.

Pros

• Fits many older models
• High 5200mAh capacity
• Multiple safety protections
• 30-day refund option
• 12-month warranty coverage

Cons

• Limited to older laptop series
• Support requires specific button click

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The product includes overcurrent and over-temperature protections to keep your laptop safe during operation. Users can expect a 30-day refund policy and a 12-month warranty for any defects. Instructions to contact support involve clicking an ask a question button on the seller page.

The 11.1V voltage matches standard older notebooks which simplifies the upgrade process for owners of these devices. If your current battery is swollen or no longer holds a charge this unit provides a direct replacement path. It is important to check your exact model number against the provided list.

If you are still using an older ASUS notebook this is a solid choice to extend its life. The high capacity helps offset the aging efficiency of older power adapters. Verify compatibility with your specific sub-model to ensure proper fit and function.

Compatibility Range

Supports numerous classic ASUS series including A45 A55 K45 R400 and X45 models.

Protection Circuits

Features built-in circuits to prevent overcharging overdischarge and short circuits.

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5. B31N1912 C31N1912 VivoBook – Detailed Fit Options

4.3Editor scoreCheck price on Amazon

B31N1912 C31N1912 Laptop Battery for ASUS VivoBook 14

11.55V Voltage

42Wh Capacity

3-Cell Polymer

For F414 and E510

This unit offers detailed compatibility for VivoBook 14 and 15.6 inch variants including specific suffixes. It carries a 4.3 rating from users who appreciate the detailed model list. The 42Wh capacity supports typical usage patterns for this class of ultrabook laptops.

Pros

• Includes DF112 compatibility
• Auxiliary tools included
• 60-day return window
• 12 months replacement warranty
• Clear model listing provided

Cons

• Return window closes after one month
• Contact via seller store page

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Manufacturers include auxiliary tools to assist with the physical removal of the old battery. Safety standards are met through rigorous testing of voltage and circuit protection. The return policy allows 60 days for evaluation followed by a 12-month replacement promise for defects.

Specific part numbers like L510MA-WB04(DF112) are explicitly listed to avoid confusion. Users should cross-reference their battery sticker with these numbers before purchasing. The polymer cells are designed to offer stable performance over the life of the battery.

If you have a VivoBook with a detailed model suffix this battery is worth considering. The inclusion of installation tools makes the swap easier for non-technical users. Always keep your receipt and order details accessible for warranty claims.

Detailed Compatibility

The listing specifies exact suffixes to help you avoid ordering a battery for a different chassis.

Replacement Policy

A 12-month replacement policy ensures you are covered if the unit fails to perform.

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6. B31N1726 – Gaming Series Power Solution

4.3Editor scoreCheck price on Amazon

B31N1726 Laptop Battery for Asus FX80 FX80G

11.4V Voltage

48Wh Capacity

3-Cell Li-polymer

For TUF FX504

This battery is engineered for the ASUS TUF Gaming series including FX504 and FX505 models. It holds a 4.3 rating from buyers seeking reliable power for their gaming laptops. The 48Wh capacity is designed to handle heavier workloads without draining too quickly.

Pros

• Designed for TUF gaming series
• 48Wh capacity for heavy loads
• Includes safety protections
• 30-day refund available
• 12-month warranty coverage

Cons

• Requires model check before order
• Support via specific Amazon button

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The unit features overcurrent and temperature control functions to maintain safety during high-performance tasks. A 30-day refund policy and a 12-month warranty protect the purchase from potential defects. Users can contact support by clicking the ask a question button on the seller page.

It supports multiple part numbers including B31BNEH and A41LK9H which are common for these gaming models. The 11.4V voltage matches the specific power requirements of the TUF chassis. Always ensure your laptop model is listed to prevent compatibility issues.

If you own a TUF laptop this battery is a good choice for restoring mobility. The robust construction aims to withstand the demands of gaming sessions on the go. Check your old battery sticker to confirm the part number matches this listing.

TUF Compatibility

Specifically designed to fit TUF Gaming FX504 FX505 and FX80 series laptops.

High Capacity

The 48Wh capacity offers extended runtime for gaming or heavy work tasks.

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7. TREE.NB B31N1912 – Trusted Brand Replacement

4.3Editor scoreCheck price on Amazon

TREE.NB B31N1912 Laptop Battery

11.55V Voltage

42Wh Capacity

3-Cell Li-ion

For E410KA Series

TREE.NB markets this battery with a focus on rigorous testing for voltage and capacity. It holds a 4.3 rating reflecting user satisfaction with its reliability. The 42Wh capacity suits daily tasks for VivoBook owners looking to restore their device's mobility.

Pros

• Rigorously tested quality
• Compatible with multiple VivoBooks
• Safety and capacity tested
• Low self-discharge rate
• Customer support available

Cons

• Requires model number verification
• No specific tools mentioned

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The manufacturer notes that all products undergo testing to ensure correct voltage and stable current. This aims to reduce the risk of early failure or inconsistent performance. Support is offered through direct contact for any questions or concerns about the purchase.

It fits a wide range of VivoBook models from E410MA to L510MA series. Low self-discharge helps the battery retain charge when not in use for short periods. Always cross-reference your part number to confirm the battery matches your laptop.

For those seeking a reliable brand for their replacement battery this is a strong contender. The emphasis on testing adds confidence to the purchase. Contact support if you have any doubts about compatibility before installing the unit.

Testing Process

Every unit is rigorously tested for voltage accuracy and stable current output.

Low Self-Discharge

The battery maintains charge well during short periods of inactivity.

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8. C41N1837 – High Power for ROG Zephyrus

4.2Editor scoreCheck price on Amazon

C41N1837 Battery Replacement for Asus Rog Zephyrus

15.4V Voltage

76Wh Capacity

Grade A Cells

For GA502 Series

This battery is designed for the high-performance ROG Zephyrus series with a massive 76Wh capacity. It receives a 4.2 rating from users who need extended battery life for gaming or creative work. The Grade A cells aim to provide fast charging and lower power consumption.

Pros

• High 76Wh capacity
• Grade A product cells
• Multiple safety protections
• 30-day refund policy
• 12-month replacement warranty

Cons

• Specific to ROG Zephyrus only
• Support via email contact

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Multiple safety protections including overcharge and short-circuit circuit protect the user and device. The manufacturer offers a 30-day refund and 12-month replacement policy to support buyers. Customer service is available via email to address any issues with the product.

The 15.4V voltage is specific to these larger gaming laptops and will not fit ultrabooks. It supports a wide list of ROG models including GX502 and GU502 series. Always verify your model number to avoid purchasing a battery that does not fit.

If you own a ROG Zephyrus this battery is an excellent choice for restoring power. The high capacity is a clear advantage for users who need runtime without a power outlet. Check the part number on your old battery before ordering to ensure fit.

High Capacity

The 76Wh capacity provides significantly longer runtime for gaming and heavy tasks.

ROG Specific

This unit is specifically engineered for ROG Zephyrus models and not for standard laptops.

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9. TREE.NB B31N1912 C31N1912 – UL Certified Safety

4.4Editor scoreCheck price on Amazon

TREE.NB B31N1912 C31N1912 Laptop Battery

11.55V Voltage

42Wh Capacity

3-Cell Li-ion

For R522MA Series

This replacement battery is UL and CE certified to ensure high safety standards for users. It holds a 4.4 rating reflecting strong customer satisfaction with its performance. The 42Wh capacity matches standard VivoBook requirements for daily productivity tasks.

Pros

• UL and CE certified safety
• High 4.4 rating
• Strict compatibility guidelines
• Clear installation instructions
• Environmentally compliant

Cons

• Requires model verification
• Battery cycling step required

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Strict guidelines for compatibility and environmental safety ensure the product meets rigorous standards. The package includes detailed notes on how to wake up the battery using cycling steps. This helps avoid initial recognition issues when installing the new unit.

Users should confirm their model matches the list of compatible VivoBook series before purchasing. The 11.55V voltage is essential to match the original power system correctly. Proper installation and charging steps ensure the longevity of the replacement unit.

If you prioritize safety certifications and compatibility this is a strong option for your VivoBook. The high rating suggests consistent performance across many users. Always follow the provided instructions to get the best results from your new battery.

Safety Certifications

UL and CE certifications confirm the product meets strict safety and environmental standards.

Wake-Up Steps

Detailed guidance is provided to properly initialize the new battery after installation.

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10. C41N1731-2 – Advanced ROG Strix Power

4.6Editor scoreCheck price on Amazon

C41N1731-2 Battery Replacement for ASUS ROG Strix

15.4V Voltage

67Wh Capacity

5.0 Tech Upgrade

For G512 Series

This battery represents a premium choice for ROG Strix G15 and G17 series users. It features a 5.0 technology upgrade and carries a high 4.6 rating from verified owners. The 67Wh capacity ensures long-lasting performance during gaming or intensive workloads.

Pros

• Advanced 5.0 technology
• BattArmor safety system
• High capacity for gaming
• Installation tools included
• 24-hour customer service

Cons

• Premium pricing
• Specific to Strix models

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The BattArmor safety system provides overcharge and temperature protection for peace of mind. Installation tools and a service manual are included to facilitate a smooth setup process. Customer support is available 24 hours a day to assist with any technical questions.

It supports a wide range of Strix models including G512 G531 and G732 series. The 15.4V voltage matches the specific requirements of these high-performance laptops. Users should verify their exact model to ensure the part fits their chassis.

For ROG Strix owners seeking top-tier performance and safety this is a highly recommended option. The advanced technology and included tools make it a superior choice over standard replacements. Check current availability and prices before making your purchase.

Technology Upgrade

Advanced 5.0 technology offers improved efficiency and charging speed for your laptop.

Support and Tools

Includes installation tools and 24-hour support to ensure a hassle-free replacement experience.

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Buying Guide – How to Choose the Best ASUS Laptop Battery Replacement

Selecting the right replacement battery involves checking several technical factors to ensure compatibility and safety.

Part Number Matching

Always verify your original battery part number matches the new one. This ensures the connector and shape fit your chassis.

Use the part number to narrow down your options effectively.

Voltage Compatibility

Check that the voltage matches your existing battery. A mismatch can cause the laptop to fail to boot.

Standard voltages like 11.55V and 15.4V are common in different series.

Capacity and Runtime

Look for capacity in watt-hours or milliamp-hours to estimate run time. Higher values usually mean longer usage.

Choose a capacity that fits your daily usage needs.

Safety Certifications

Ensure the battery has safety certifications like UL or CE. These indicate tested safety standards.

Certified products reduce the risk of overheating or damage.

Warranty Coverage

Check the warranty length. A 12-month warranty is standard for quality third-party replacements.

Longer warranties protect your investment against early failure.

Return Policy

Review the return window. Some sellers offer 60 days while others offer less.

A clear return policy gives you time to test the product.

Seller Support

Choose sellers with responsive customer support. This helps resolve installation issues quickly.

Good support ensures you get help if the battery is not recognized.

How to Use and Care for Your ASUS Laptop Battery Replacement

Install the new battery by connecting it securely to the motherboard interface. Follow the provided screwdrivers to avoid damaging the casing.

Perform a charge cycle by draining to 5 percent then charging to 100 percent. This helps the system recognize the new cells properly.

Maintain battery health by avoiding full discharges often. Keep the laptop in a cool environment to extend its lifespan.

Frequently Asked Questions

Final Thoughts on Choosing the Best ASUS Laptop Battery Replacement