Replacement Battery Specification
- Battery Model: C31N1806
- Capacity: 42Wh/3640mAh
- Voltage: 11.55V
- Battery Type: Li-ion
- Cell: Made in China, high quality guarantee
- Color: Black
- Condition: Replacement Battery (100% Brand New, 1-year warranty!)
Replace Part Number
- C31N1806
- 3ICP5/58/57
Compatible Laptop Model
- For ASUS VivoBook S13 S330F Series
- For ASUS VivoBook S13 S330UA Series
- For ASUS VivoBook S13 S330FN Series
- For ASUS VivoBook S13 S330FA Series
- For ASUS VivoBook X330FA Series
- For ASUS VivoBook X330FL Series
- For ASUS VivoBook X330UA Series
- For ASUS VivoBook K330 Series
- For ASUS VivoBook R330 Series
- For ASUS ADOL 13FA K330FA X330FA Series
- For ASUS ADOL 13FN K330FN X330FN Series
- For ASUS ADOL 13U R330UN X330UA Series
- For ASUS ADOL 13UN X330UN Series

Product Features
- Reliable Power: 42Wh/3640mAh capacity provides extended runtime for all-day productivity, entertainment, and mobile computing
- OEM-Level Compatibility: 100% compatible with ASUS VivoBook S13 S330 and X330 series laptops, matching original battery specifications
- Advanced Lithium-Ion Technology: Premium cells deliver stable 11.55V output and long cycle life for dependable daily operation
- Safety-Certified Design: Integrated protection against overcharge, over-discharge, short circuit, and overheating for safe laptop use
- Reliable Performance: Engineered for ASUS VivoBook laptops, ensuring consistent performance during work, study, and entertainment
- Quality Assurance: 1-year warranty coverage and strict quality control ensure reliable performance for everyday users
Why Choose This ASUS VivoBook Battery
This replacement laptop battery is specifically designed for ASUS VivoBook S13 S330 and X330 series laptops, popular ultraportable notebooks trusted by students, professionals, and home users worldwide. With 42Wh/3640mAh capacity at 11.55V, this battery provides the reliable power needed for full workdays, online classes, content streaming, and mobile productivity without constant charging.
Our replacement battery meets strict quality standards for consumer laptops, featuring advanced battery management systems that ensure stable voltage output, optimal charging cycles, and safe operation during daily use. The OEM-level design guarantees seamless integration with your ASUS VivoBook laptop, maintaining the same form factor, electrical characteristics, and safety features as the original C31N1806 battery. Each unit undergoes rigorous quality control testing to verify capacity, voltage stability, and protection circuit functionality before shipment.
Ideal for students, remote workers, home users, and anyone who relies on their ASUS VivoBook for daily computing tasks, this battery replacement combines reliable performance with exceptional value. Whether you need a spare battery for extended travel or a replacement for aging power packs, our solution delivers the performance and safety required for everyday laptop use. Trust in a battery that users depend on for uninterrupted productivity and entertainment.
Note:
This is not a complete list or inclusion of all compatible laptop models. You can open the back of your laptop to check the original battery model. If you have any compatibility questions, please contact us online.The casing is made of durable materials, the mainboard adopts advanced technology, and the battery core is produced with high-quality raw materials to ensure that it will not be damaged after long-term use.
Our products are equipped with multiple protection technologies such as overvoltage, overcurrent, and overcharge to effectively protect the safety of batteries and equipment.
China warehouse delivery method
Overseas Warehouse Shipping Times & Costs
Payment Methods
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Account Name: ShenZhen KingSener Science and Technology Co., Ltd
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Q&A
Quick FAQ:Laptop Battery Care & Troubleshooting
- What Should I Know Before Buying a Laptop Battery Replacement?A: Before buying a laptop battery replacement, confirm your laptop’s exact model number and the part number printed on the original battery. Check the battery voltage, connector, physical dimensions, and compatibility list. Do not choose a battery based on appearance alone, because similar laptop models may use different batteries. Review the seller’s warranty, return policy, and product specifications before ordering.
- How Do I Find a Compatible Laptop Battery for My Device?A: To find a compatible laptop battery, identify your laptop’s full model number and the part number on the original battery. Compare these details with the replacement battery’s compatibility list and specifications, including voltage, connector type, and dimensions. If you are unsure, contact customer support with your laptop model and original battery part number before placing an order.
- Can I leave my laptop plugged in 24/7?Yes, the built-in TI chip prevents overcharging. Tip: To prevent long-term cell swelling, unplug and drain the battery to 40% twice a month.
- Why Is My Laptop Battery Not Charging?A: A laptop battery may not charge because of a faulty AC adapter, damaged charging port, loose connection, temperature protection, battery-health settings, or a worn-out battery. Confirm that you are using a compatible charger and inspect the cable and port for visible damage. Restart the laptop and review the manufacturer’s battery or charging settings. If the battery becomes unusually hot, swollen, or damaged, stop using it and seek professional assistance.
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Are BatteryMall Laptop Batteries Reliable?BatteryMall laptop batteries are designed with safety and reliability in mind. All batteries feature built-in IC protection against short-circuits, over-voltage, and overheating, helping protect the battery during normal use. They are also CE, FCC, and RoHS certified. For the best experience, choose a compatible laptop battery that matches your exact laptop model and original battery part number, and follow the installation and care instructions. BatteryMall also provides a 1-year warranty on KingSener batteries purchased from BatteryMall; see the Product Warranty page for details.