B31N1912 C31N1912 Laptop Battery Replacement for ASUS VivoBook
4.3Editor score
Fits multiple VivoBook models
Includes installation tools
UL CE FCC certified
10 Best ASUS Laptop Battery Replacement (October 2026) Expert Guide
Finding the right power source is critical for keeping your ASUS laptop running smoothly throughout the day. A reliable replacement ensures you stay productive without worrying about sudden shutdowns during important tasks.
We evaluated ten top-rated options based on compatibility, capacity, safety features, and customer feedback. Each product was chosen to meet specific model needs across popular ASUS laptop lines effectively.
Each pick highlights key specs and real-world performance notes to simplify your decision. Prices and stock levels fluctuate frequently so please check the linked product pages for current availability.
Top 3 Picks for Best ASUS Laptop Battery Replacement
C41N1731-2 Battery Replacement for ASUS ROG Strix
4.6Editor score
High 67Wh capacity
BattArmor safety system
Advanced 5.0 tech
C41N1837 Battery Replacement for Asus Rog Zephyrus
4.2Editor score
76Wh large capacity
15.4V voltage
Grade A cells
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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 selected batteries. Review the specifications and features to identify which unit aligns best with your specific laptop model and usage requirements.
ProductsSpecificationsEditor scorePrice
Best Budget
B31N1912 C31N1912 Laptop Battery Replacement for ASUS VivoBook
11.55V 42Wh
3-cell Li-ion
Fits E410MA L410MA
24×7 support
4.3Editor score
Editor's Choice
B31N1912 C31N1912 Battery for Asus VivoBook 14
11.55V 42Wh
Polymer battery type
Fits E410 L410
12 month replacement
4.3Editor score
Best Premium
Fancy Buying C21N1347 Laptop Battery Replacement for Asus X555
7.6V 38Wh
5000mAh capacity
Fits X555 series
CE FCC certified
4.4Editor score
Fancy Buying A32-K55 Laptop Battery for ASUS
11.1V 5200mAh
Fits A45 A55
Overcurrent protection
30 day refund
4.3Editor score
B31N1912 C31N1912 Laptop Battery for ASUS VivoBook 14
11.55V 42Wh
Polymer type
Fits E410 F414
12 month replacement
4.3Editor score
B31N1726 Laptop Battery for Asus FX80 FX80G
11.4V 48Wh
Fits TUF FX504
3-cell Li-polymer
500 cycles
4.3Editor score
TREE.NB B31N1912 Laptop Battery Compatible with ASUS VivoBook 14
11.55V 42Wh
3550mAh capacity
Fits E410MA L410MA
Circuit protection
4.3Editor score
C41N1837 Battery Replacement for Asus Rog Zephyrus
15.4V 76Wh
Fits GA502 series
Grade A product
24h support
4.2Editor score
TREE.NB B31N1912 C31N1912 Laptop Battery Replacement for ASUS VivoBook 14
11.55V 42Wh
3-cell Li-ion
CE UL certified
100% new
4.4Editor score
C41N1731-2 Battery Replacement for ASUS ROG Strix G15 G17
15.4V 67Wh
Fits G15 G17
BattArmor safety
24h service
4.6Editor score
1. B31N1912 C31N1912 Laptop Battery Replacement for ASUS VivoBook – Best Value Option
B31N1912 C31N1912 Laptop Battery Replacement for ASUS VivoBook
11.55V Voltage
42Wh Capacity
3-cell Li-ion
Grade A cells
This battery ranks as our top budget choice for owners of various ASUS VivoBook models. It offers a solid 42Wh capacity and 11.55V output which matches original specifications precisely.
Pros
- Affordable pricing
- Comes with screwdrivers
- Wide model compatibility
- Certified safety standards
- Responsive email support
Cons
- Return window closes quickly
- Requires calibration cycle
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The unit uses Grade A cells designed to last up to 500 recharge cycles. It includes essential tools for installation and maintains strict quality control with UL CE and FCC certifications.
Users must ensure the return window is managed carefully as it closes after one month. The battery may need a discharge cycle to wake up fully upon first use.
If you need a reliable power source for your E410 or L410 series laptop without spending much this option delivers good value. It restores mobility for students and professionals alike.
Comprehensive Model Coverage
This battery supports a wide range of models including E410 L410 F414 E510 and L510 series ensuring you find the correct fit easily.
Safety Certifications
Certified by UL CE FCC and RoHS this product meets strict safety guidelines preventing issues like overheating or short circuits during operation.
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2. B31N1912 C31N1912 Battery for Asus VivoBook 14 – High Reliability Choice
B31N1912 C31N1912 Battery for Asus VivoBook 14
Polymer Battery Type
42Wh Capacity
3-cell Construction
12 month policy
This polymer battery provides excellent performance for ASUS VivoBook 14 users seeking dependable power. It features a 42Wh capacity and 11.55V voltage matching OEM standards perfectly for consistent operation.
Pros
- Includes installation tools
- 12 month replacement policy
- Detailed compatibility list
- Stable power output
- User manual included
Cons
- Return window limited
- Price slightly higher
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The product comes with an auxiliary tool and user manual to make installation straightforward. Sellers offer a 12 month replacement policy which adds significant peace of mind for buyers.
While the price point is slightly above budget options the added warranty coverage justifies the cost. Users should note the return window closes a month after receipt so act quickly if needed.
Ideal for daily commuters or students this battery ensures your laptop stays powered during long work sessions. The compatibility list is extensive covering E410 L410 F414 and more.
Extended Warranty
A 12 month replacement policy is included giving you a year of protection against potential defects or performance issues with the battery.
Ease of Installation
Packaging includes an auxiliary installation tool and manual guiding you through the physical steps of replacing your old unit safely.
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3. Fancy Buying C21N1347 – Best for Older X555 Models
Fancy Buying C21N1347 Laptop Battery Replacement for Asus X555
7.6V Voltage
38Wh Capacity
5000mAh Output
CE FCC Safety
This battery is designed specifically for older ASUS models like the X555 series providing a perfect fit for users struggling to find power sources. It offers 38Wh capacity and 7.6V output suitable for these devices.
Pros
- Specifically for X555
- High mAh capacity
- Li-polymer type
- Stable circuit protection
- Good rating score
Cons
- Older model support only
- Voltage requires checking
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The 5000mAh capacity ensures decent battery life for general tasks like browsing or document editing. Safety is managed through built-in circuit protection against overheat or short circuit risks.
Compatibility is focused on the X555 family so verify your exact model number before purchasing. Users recommend cycling the battery 3-4 times after installation to wake it up properly.
If you still use an X555 laptop this replacement offers a cost-effective way to extend its life. It restores mobility without needing to replace the entire machine.
Optimized for X555
Designed for Asus X555 X555LA and related series this battery ensures a precise physical and electrical match for your specific device model.
Safety Features
Certified by CE and FCC this product adheres to strict environmental safety and stability guidelines to protect your laptop and user.
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4. Fancy Buying A32-K55 – Universal Fit for A45 A55 Series
Fancy Buying A32-K55 Laptop Battery for ASUS
11.1V Voltage
5200mAh Capacity
A32-K55 Model
30 day refund
The A32-K55 battery is a robust solution for users of the A45 A55 and related series. It delivers a strong 5200mAh capacity to keep your system running longer on a single charge.
Pros
- Fits many models
- Large 5200mAh
- Anti-overcharge tech
- 24 hour response
- 30 day refund policy
Cons
- Basic safety features
- No included tools
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Built-in protections like anti-overcharge and temperature control ensure safe operation during use. The seller provides friendly support with a 24 hour response time via email.
While the product lacks extra installation tools the refund policy offers decent protection. Just search your part number to confirm compatibility before ordering to avoid issues.
This is an ideal pick for owners of older ASUS laptops needing a dependable power boost. It extends the usability of devices like the R400 U57 and X45 effectively.
Broad Compatibility
Matches models like A45 A55 K45 K55 F45 and more offering a versatile solution for a wide range of older ASUS laptop series.
Reliable Support
Seller support includes a friendly 24 hour email response time and a 30 day refund window if the product does not meet your needs.
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5. B31N1912 C31N1912 Laptop Battery for ASUS VivoBook 14 15.6" – Solid Mid-Range Option
B31N1912 C31N1912 Laptop Battery for ASUS VivoBook 14 15.6"
11.55V Voltage
42Wh Capacity
3-cell Polymer
12 month warranty
This battery is tailored for ASUS VivoBook 14 and 15.6 inch models providing reliable performance for daily tasks. It features a 42Wh capacity and 11.55V output matching the original power specs perfectly.
Pros
- Detailed model list
- Includes tools
- 12 month replacement
- Good voltage stability
- Customer service
Cons
- Return window tight
- Medium capacity
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The package includes an auxiliary installation tool and user manual to simplify setup. A 12 month replacement policy ensures that you are covered if any issues arise in the first year.
While the capacity is standard for these models it offers consistent power for web browsing and office work. The seller is committed to customer satisfaction with a responsive support team.
If you own a model like E410MA or L410MA this unit is a dependable choice to restore battery life. It balances price and performance effectively for most users.
Installation Ease
Each unit comes with an auxiliary tool and guide ensuring you can replace the battery safely and correctly without needing external equipment.
Warranty Protection
A 12 month replacement policy is offered to give you confidence in the purchase and cover potential manufacturing defects during normal use.
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6. B31N1726 Laptop Battery for Asus FX80 FX80G – Gaming Performance Option
B31N1726 Laptop Battery for Asus FX80 FX80G
11.4V Voltage
48Wh Capacity
3-cell Li-polymer
Fits TUF series
This battery is designed for users of the FX80 FX80G and TUF gaming series. It provides a 48Wh capacity and 11.4V output to support high-performance tasks effectively.
Pros
- High capacity for gaming
- Fits TUF FX504
- 500 cycle life
- Temperature control
- Full refund option
Cons
- Higher price point
- Heavyweight model
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Features like overcurrent and temperature protection ensure safe operation during intense gaming or rendering sessions. It is built to last with up to 500 recharge cycles over its life.
While it comes at a higher price point the capacity justifies the cost for power users. The refund policy gives you a 30 day window to decide if it meets your needs.
Ideal for gamers or content creators using TUF laptops this battery restores mobility without sacrificing power. It ensures your system runs smoothly on the go.
Gaming Ready
Designed for FX80 FX80G and TUF FX504 FX505 series this battery supports the higher power demands of gaming and content creation.
Safety Protection
Built-in anti-overcharge and temperature control functions protect your laptop from damage during demanding usage scenarios or heat exposure.
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7. TREE.NB B31N1912 Laptop Battery – Safe Power Delivery
TREE.NB B31N1912 Laptop Battery Compatible with ASUS VivoBook 14
11.55V Voltage
42Wh Capacity
3-cell Li-ion
Rigorous testing
This battery is rigorously tested to ensure correct voltage and stable current output. It fits popular ASUS VivoBook 14 models and provides 42Wh capacity for reliable performance.
Pros
- Rigorous testing
- Low self-discharge
- Compatible models clear
- Helpful support
- Safety tested
Cons
- No tools included
- Return window limited
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The unit features low self-discharge and guaranteed battery life to minimize energy loss. All products are checked for safety and stable current performance before shipping.
While installation tools are not included the support team is helpful with any questions. Ensure your model matches the list to avoid compatibility issues upon arrival.
Ideal for students and office users this battery restores mobility to your device. It is a trustworthy choice for anyone needing a simple and effective power solution.
Rigorous Testing
Each battery is tested for correct voltage and capacity before shipping to ensure it meets strict safety and performance standards for your device.
Low Self-Discharge
The technology used reduces self-discharge ensuring your battery retains power when not in use for short periods.
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8. C41N1837 Battery Replacement for Asus Rog Zephyrus – High Capacity Premium Pick
C41N1837 Battery Replacement for Asus Rog Zephyrus
15.4V Voltage
76Wh Capacity
Grade A Cells
Fits GA502
This premium battery offers a massive 76Wh capacity for powerful ROG Zephyrus laptops. It features 15.4V voltage and is made with Grade A cells for optimal charging efficiency.
Pros
- Huge 76Wh capacity
- Fast charging support
- Grade A product
- 24h email support
- High voltage
Cons
- Expensive price
- Heavy unit
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The product is 100% brand new from manufacture ensuring top quality materials and circuit boards. It supports fast charging to keep you powered up quickly between sessions.
While the price is higher the capacity justifies the cost for heavy users. The support team provides 24h email support to help with any installation questions.
Ideal for gamers or pros who need extended battery life this unit delivers exceptional power. It ensures your Zephyrus stays on during long work or gaming sessions.
High Capacity Power
The 76Wh capacity is significantly larger than standard units providing extended battery life for demanding users who need all-day power.
Grade A Quality
Constructed with Grade A product components the battery ensures fast charging and low power consumption for superior performance.
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9. TREE.NB B31N1912 C31N1912 Laptop Battery Replacement – Reliable & Safe
TREE.NB B31N1912 C31N1912 Laptop Battery Replacement for ASUS VivoBook 14
11.55V Voltage
42Wh Capacity
3-cell Li-ion
CE UL certified
This battery is certified by CE and UL to ensure safety and compliance with environmental standards. It provides 42Wh capacity and fits a wide range of VivoBook models.
Pros
- CE UL certified
- 3550mAh capacity
- Environment safety compliant
- Installation guide
- High rating
Cons
- Return policy limits
- Standard capacity
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The product uses Li-ion cells and offers stable performance for daily tasks. Installation is easy with a guide included to help you replace your old unit.
While the capacity is standard it offers a high rating from customers. Users should cycle the battery after installation to wake it up for best performance.
If you need a safe and certified replacement for your ASUS laptop this unit is a solid choice. It restores your device to full mobility.
Safety Certified
All products are Certified by CE UL for safety to ensure safe voltage and circuit protection during operation.
Installation Guide
Includes a guide to help you install the battery correctly and safely without needing extra external equipment.
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10. C41N1731-2 Battery Replacement for ASUS ROG Strix G15 G17 – Premium Power for Strix
C41N1731-2 Battery Replacement for ASUS ROG Strix G15 G17
15.4V Voltage
67Wh Capacity
4335mAh Output
BattArmor Safety
This premium battery features 67Wh capacity for the ROG Strix G15 G17 series. It uses advanced 5.0 technology for longer-lasting power and includes the BattArmor safety system.
Pros
- 67Wh high capacity
- BattArmor system
- Installation tools included
- Advanced 5.0 tech
- High customer rating
Cons
- High cost
- Large size
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The unit is quality-certified and tested to ensure reliable power. Installation tools and guides are included to simplify the setup process.
While the price is high the safety and capacity make it a top choice for gamers. The 24-hour service ensures you are supported throughout your ownership.
Ideal for Strix users needing extended playtime this battery delivers exceptional performance. It keeps your system running safely during intense gaming.
Advanced Safety
The BattArmor safety system protects against overcharge circuit-overload short-circuit and temperature risks for safer operation.
Full Package
Includes battery installation tools guide service manual and 24-hour customer service to ensure a smooth experience from start to finish.
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Buying Guide – How to Choose the Best ASUS Laptop Battery Replacement
Choosing the right battery requires checking model compatibility voltage capacity and safety certifications to ensure your device runs safely and efficiently.
Model Compatibility
The most critical factor is matching the battery to your exact laptop model number. ASUS uses specific part numbers like B31N1912 for VivoBook or C41N1731-2 for ROG Strix. Check your current battery or the official manual before ordering.
Always verify the part number against the product listing to avoid buying an incompatible unit that will not fit.
Voltage and Capacity
Voltage must match the original battery exactly to prevent damage. Capacity measured in Wh or mAh determines how long you last on a single charge. Higher Wh is better for travel but may increase weight.
Select a unit with the exact voltage and a capacity that suits your usage needs without deviating from OEM specs.
Battery Type
Most ASUS laptops use Lithium-ion (Li-ion) or Lithium-polymer (Li-polymer) cells. Polymer types are often lighter and safer. Ensure the new unit uses a similar chemistry to your old one.
Check the product details to confirm the cell type matches your requirements for weight and safety.
Safety Certifications
Look for certifications like UL CE FCC or RoHS to ensure the battery is safe. These standards protect against short circuits and overheating. Safety is vital to prevent damage to your laptop.
Only buy batteries that clearly state they are certified by recognized safety organizations to ensure reliability.
Warranty and Support
A good warranty period usually ranges from 6 to 12 months. Support should be available via email or chat to assist with installation. Policies vary by seller so read the terms carefully.
Choose a seller who offers a clear return policy and responsive support to resolve any potential issues quickly.
Installation Tools
Some packages include screwdrivers or guides for easy replacement. If you plan to do it yourself tools can save time. Others may require you to bring your own tools.
Check if tools are included in the package to save time and ensure proper installation.
Customer Reviews
Read recent customer feedback to gauge real-world performance. Look for comments on capacity longevity and fit. High ratings with detailed comments are a good sign of quality.
Prioritize options with a track record of positive feedback and long-term reliability from other users.
Price and Value
Prices vary depending on capacity and brand. While cheap options exist they may lack safety features. A slightly higher price often brings better warranties and certified cells.
Balance the price with the quality and warranty offered to get the best value for your investment.
How to Use and Care for Your ASUS Laptop Battery Replacement
Before installing the new battery turn off your laptop and unplug the power adapter to ensure safety. Use a screwdriver to remove the bottom panel screws and carefully detach the old battery connector.
After installing the new battery calibrate it by discharging to 5-10% then fully charging it. Cycle this process 3-4 times to wake the battery and ensure accurate reporting.
To extend lifespan keep your laptop in a cool environment and avoid extreme heat. Use original chargers and unplug when not in use to prevent stress on the cells.
Frequently Asked Questions
How do I know which battery fits my ASUS laptop?
Check the model number on the bottom of your laptop or the old battery. Match it with part numbers like B31N1912 or C41N1731 listed on the product page.
Is it safe to replace the battery myself?
Yes it is safe if you follow instructions and disconnect power. Use the right tools and be careful with screws and connectors. Some packages include guides to help.
Why does my new battery not show up immediately?
You may need to cycle the battery by charging and discharging it a few times. Ensure the connector is firmly plugged in to wake up the system properly.
How long does a replacement battery last?
A good battery lasts 2-3 years or 500 recharge cycles. Use it in normal temperatures and avoid keeping it at 0% for long periods to extend its life.
Can I mix batteries from different brands?
No you should use the exact model number for your laptop. Mixing brands or models can cause voltage issues or damage the motherboard.
Do I need a screwdriver to install the battery?
Yes you will need a small screwdriver to remove the laptop case. Some sellers include tools in the package so check the product description.
Final Thoughts on Choosing the Best ASUS Laptop Battery Replacement
We reviewed ten top-rated batteries for ASUS laptops focusing on VivoBook TUF and ROG models. Each option offers unique benefits from budget-friendly choices to high-capacity premium picks.
Prioritize safety certifications and model compatibility to ensure your device runs smoothly. A proper battery extends the life of your laptop and keeps you productive on the go.
Check the current price and stock status before purchasing. Prices change frequently and availability may vary by model and region.