Product Overview
The C21N1818-1 is a premium OEM-grade replacement battery that restores dependable 32Wh / 4212mAh of power at the verified 7.6V standard specification for your ASUS VivoBook. It ends random shutdowns, rapid drain and charging failures so your laptop runs like new, combining grade-A Li-ion cells with built-in overcharge, over-discharge and short-circuit protection. Ships 100% brand new with a 1-year warranty.
Specifications
| Attribute | Details |
|---|---|
| Standard Model | C21N1818-1 |
| Capacity | 32Wh / 4212mAh |
| Voltage | 7.6V |
| Battery Type | Li-ion |
| Cell | Made in China, high quality guarantee |
| Color | Black |
| Condition | Replacement Battery (100% Brand New, 1-year warranty!) |
Replace Part Numbers
- C21N1818-1
- 2ICP7/54/83
Compatible Models
For ASUS VivoBook Flip 14 TP412 Series
- For ASUS VivoBook Flip 14 TP412
- For ASUS VivoBook Flip 14 TP412UA
- For ASUS VivoBook Flip 14 TP412FA
For ASUS VivoBook 14 X412 Series
- For ASUS VivoBook 14 X412
For ASUS VivoBook 15 F512 Series
- For ASUS VivoBook 15 F512DA
- For ASUS VivoBook 15 F512FA
- For ASUS VivoBook 15 F512FB
- For ASUS VivoBook 15 F512FJ
- For ASUS VivoBook 15 F512FL
- For ASUS VivoBook 15 F512JA
- For ASUS VivoBook 15 F512JP
- For ASUS VivoBook 15 F512UA
For ASUS VivoBook 15 X512 Series
- For ASUS VivoBook 15 X512DA
- For ASUS VivoBook 15 X512DK
- For ASUS VivoBook 15 X512FA
- For ASUS VivoBook 15 X512FB
- For ASUS VivoBook 15 X512FJ
- For ASUS VivoBook 15 X512FL
- For ASUS VivoBook 15 X512JA
- For ASUS VivoBook 15 X512JF
- For ASUS VivoBook 15 X512JP
- For ASUS VivoBook 15 X512UA
- For ASUS VivoBook 15 X512UB
- For ASUS VivoBook 15 X512UF
For ASUS VivoBook 15 R564 Series
- For ASUS VivoBook 15 R564DA
- For ASUS VivoBook 15 R564FA
- For ASUS VivoBook 15 R564JA
For ASUS VivoBook S512 Series
- For ASUS VivoBook S512DK
- For ASUS VivoBook S512FA
- For ASUS VivoBook S512FB
- For ASUS VivoBook S512FL
- For ASUS VivoBook S512UA
For ASUS VivoBook A512 Series
- For ASUS VivoBook A512FA
- For ASUS VivoBook A512FB
- For ASUS VivoBook A512FL
- For ASUS VivoBook A512JA
- For ASUS VivoBook A512JP
- For ASUS VivoBook A512UA
- For ASUS VivoBook A512UF
For ASUS VivoBook K512 Series
- For ASUS VivoBook K512FA
For ASUS V5000 Series
- For ASUS V5000
- For ASUS V5000F
- For ASUS V5000FA
- For ASUS V5000FB
FAQ
Will the C21N1818-1 battery fit my ASUS VivoBook Flip 14 TP412?
Yes. The C21N1818-1 is the factory-standard battery for ASUS VivoBook Flip 14 TP412UA and TP412FA, and it also serves VivoBook 14 X412 and VivoBook 15 X512 series models that use the same part. Power off and check the model number printed on the original battery for absolute certainty.
How long will a full charge last with this 32Wh battery?
The 32Wh / 4212mAh capacity is matched to the 7.6V original specification, so real-world runtimes track the factory battery when new, and grade-A cells keep capacity stable over hundreds of charge cycles.
Which part numbers does the C21N1818-1 replace?
It replaces C21N1818-1 and 2ICP7/54/83.
Is the battery safe and covered by a warranty?
Every pack is 100% brand new and passes multi-point safety testing (overcharge, over-discharge, over-temperature and short-circuit protection) before shipping, backed by a 1-year warranty and responsive after-sales support.
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.
Shipping Methods
| Shipping Methods | Ship To | Est. Delivery Time | Shipping Cost | Taxes & Fees |
|---|---|---|---|---|
| USPS / DHL | United States | 10-15 business days | Free | Free |
| Canada Post | Canada | 10-15 business days | Free | Free |
| Royal Mail / Yodel | United Kingdom | 15-20 business days | Free | Free |
| DHL | Germany | 15-20 business days | Free | Free |
| La Poste | France | 15-20 business days | Free | Free |
| Correios | Mexico/Spain/IT | 15-25 business days | Free | Free |
| Local Carriers | SE Asia / East Asia | 5-10 business days | Free | Free |
| Local Carriers | Rest of Europe | 20-25 business days | From $5.99 | Free |
| Local Carriers | UAE / Saudi Arabia / Israel | 16-20 business days | From $7.99 | Free |
📦 Shipping & Tracking Information
Looking for faster shipping? We offer local warehousing services. Please visit our "Local Delivery" page for items available for immediate dispatch.
1. How to Track Your Package:
Please choose the tracking link that corresponds to your destination:
- Europe & The Americas: 17track.net/en
- The Middle East: mena56.com
- Asia: 17exp.kingtrans.cn
Need Help?
If you cannot find your package on any of the above websites, please contact us immediately.
📧 Email: sales@batterymall.com / info@batterymall.com
📱 WeChat/WhatsApp: (+86) 198 6775 1872 / (+86) 191 2767 3310
🚚 Estimated Delivery Time
(1) Shipping from China:
- To Asia: 5-20 business days
- To North America: 10-15 business days
- To Europe/South America: 15-20 business days
(2) Shipping from Local Warehouses:
- From US Warehouse: 3-5 business days
- From European Warehouse: 2-10 business days
- From Russian Warehouse: 3-5 business days
Please note: Exact arrival times depend on the specific country and customs processing.
⚠️ Tax & Customs Information:
Global product prices include customs duties (some countries require a tax ID). Please refer to the settlement invoice for specific shipping costs. Special handling is required if your package is inspected.
Payment Methods
Paypal
Payments by PayPal, no PayPal account required. Paypal is safe and free for buyers.
PayPal account: Payment@batterymall.com
Account Name: ShenZhen KingSener Science and Technology Co., Ltd
Credit or debit card
VISA, MasterCard, the United States n Express,Maestro & Laser Card, APPLE Pay,etc.
PayPal never shares your financial information with us.
WeChat Pay
Currently only supports QR code payment. Please contact WeChat customer service and go to WeChat App to scan the QR code to complete the payment.
Google Pay
Pay with Google Pay, which is more convenient and faster.
Apple Pay
If you use an Apple device, you can use Apple Pay to pay, which is more convenient and faster.
Bank Transfer
Q&A
Quick FAQ:Laptop Battery Care & Troubleshooting
- How long does a KingSener battery last?2 to 3 years (approx. 500-800 charge cycles) under normal temperatures.
- Laptop says "Battery Not Detected". How to fix?1. Hard Reset: Unplug AC, remove battery, hold power button for 30 seconds.
2. Clean Contacts: Wipe metal connection pins.
3. Reset Drivers: Uninstall battery drivers in Device Manager, then restart.
4. Update BIOS: Ensure motherboard firmware is up to date. - 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.
- How do I store a laptop battery long-term?Store it at 50% charge in a cool, dry place. Never store at 0% or 100%. Cycle the battery every 3 months to maintain chemical activity.
-
Are KingSener batteries safe?Yes. All batteries feature built-in IC protection against short-circuits, over-voltage, and overheating. Fully CE, FCC, and RoHS certified.