Product Overview
The C21N1818-1 is a premium OEM-grade replacement battery that restores dependable 32Wh (4212mAh) of power to your ASUS VivoBook. Built to the verified 7.6V standard specification, it ends random shutdowns, rapid drain and charging failures so your laptop runs as smoothly as the day it was new.
Engineered for a drop-in fit with ASUS VivoBook 14 X412, VivoBook 15 X512 and VivoBook Flip 14 TP412 (TP412UA, TP412FA) series laptops, this battery combines grade-A Li-ion cells with built-in overcharge, over-discharge and short-circuit protection for safe, stable, everyday performance.
Specifications
| Standard Model | C21N1818-1 |
| Battery Type | Li-ion |
| Voltage | 7.6V |
| Capacity | 32Wh / 4212mAh |
| Condition | 100% Brand New Replacement |
| Warranty | 1-Year Warranty |
Replace Part Numbers
This replacement battery is a direct match for the following original part numbers:
- C21N1818-1
- 2ICP7/54/83
Compatible Models
Fits the following ASUS laptop series (always confirm the battery model printed on your original battery before ordering):
- ASUS VivoBook Flip 14 TP412 Series: TP412UA, TP412FA
- ASUS VivoBook 14 X412 Series
- ASUS VivoBook 15 F512 Series: F512DA, F512FA, F512FB, F512FJ, F512FL, F512JA, F512JP, F512UA
- ASUS VivoBook 15 X512 Series: X512DA, X512DK, X512FA, X512FB, X512FJ, X512FL, X512JA, X512JF, X512JP, X512UA, X512UB, X512UF
- ASUS VivoBook 15 R564 Series: R564DA, R564FA, R564JA
- ASUS VivoBook S512 Series: S512DK, S512FA, S512FB, S512FL, S512UA
- ASUS VivoBook A512 Series: A512FA, A512FB, A512FL, A512JA, A512JP, A512UA, A512UF
- ASUS VivoBook K512 Series: K512FA
- ASUS V5000 Series: V5000, V5000F, V5000FA, 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. For absolute certainty, power off your laptop and check the model number printed on the original battery.
How long will a full charge last with this 32Wh battery?
The 32Wh / 4212mAh capacity is matched to the original specification, so real-world runtimes track the factory battery when new. Grade-A cells keep capacity stable over hundreds of charge cycles.
Is the battery safe and is it covered by a warranty?
Every battery is 100% brand new and passes multi-point safety testing (overcharge, over-discharge, over-temperature and short-circuit protection) before shipping. It is backed by a 1-year warranty and responsive after-sales support.
注意：
这不是所有兼容笔记本电脑机型的完整列表。您可以打开笔记本电脑的底部来检查原装电池型号。如有任何兼容性问题，请在线咨询我们。外壳采用耐用材料制成，主板采用先进技术，电池芯采用优质原材料生产，确保长期使用后不会损坏。
我们的产品配备过压、过流、过充等多重保护技术，有效保护电池和设备的安全。
配送方式
| 运输方式 | 配送至 | 预计送达时间 | 运费 | 税费 |
|---|---|---|---|---|
| USPS / DHL | 美国 | 10-15 个工作日 | 免费 | 免费 |
| Canada Post | 加拿大 | 10-15 个工作日 | 免费 | 免费 |
| Royal Mail / Yodel | 英国 | 15-20 个工作日 | 免费 | 免费 |
| DHL | 德国 | 15-20 个工作日 | 免费 | 免费 |
| La Poste | 法国 | 15-20 个工作日 | 免费 | 免费 |
| Correios | 巴西 | 15-25 个工作日 | 起 $6.99 | 免费 |
| 本地快递 | 东南亚 / 东亚 | 5-10 个工作日 | 免费 | 免费 |
| 本地快递 | 欧洲其他地区 | 20-25 个工作日 | 起 $5.99 | 免费 |
| 本地快递 | 阿联酋 / 沙特阿拉伯 / 以色列 | 16-20 个工作日 | 起 $7.99 | 免费 |
📦 运输及物流信息
需要更快的运输？ 我们提供本地仓储服务。
请访问我们的 “本地配送” 页面查看可立即发货的商品。
1. 如何追踪包裹：
请根据您的目的地选择对应的追踪链接：
- 欧洲及美洲： 17track.net/en
- 中东地区： mena56.com
- 亚洲： 17exp.kingtrans.cn
需要帮助？
如果在上述网站上无法找到您的包裹，请立即联系我们。
📧 邮箱： sales@batterymall.com / info@batterymall.com
📱 WeChat/WhatsApp： (+86) 198 6775 1872 / (+86) 191 2767 3310
🚚 预计送达时间
(1) 从中国发货：
- 亚洲：5-20 个工作日
- 北美：10-15 个工作日
- 欧洲/南美：15-20 个工作日
(2) 从本地仓库发货：
- 美国仓库：3-5 个工作日
- 欧洲仓库：2-10 个工作日
- 俄罗斯仓库：3-5 个工作日
注意：具体到达时间取决于不同国家及海关处理速度。
⚠️ 税费及海关信息：
全球产品价格已包含关税（部分国家可能需要提供税号）。具体运费请参考结算发票。如包裹被海关查验，将进行特殊处理。
支付方式
PayPal
支付方式：PayPal，无需 PayPal 账户即可支付。PayPal 对买家安全且免费。
PayPal 账户：Payment@batterymall.com
账户名称：深圳金森科技有限公司
Credit or debit card
支持 VISA、MasterCard、美国运通、Maestro、Laser 卡、Apple Pay 等。
PayPal 永远不会与我们共享您的财务信息。
微信支付
当前仅支持二维码支付。请联系微信客服，并在微信 App 中扫描二维码完成支付。
Google Pay
使用 Google Pay 支付，更方便快捷。
Apple Pay
如果您使用 Apple 设备，可使用 Apple Pay 支付，更方便快捷。
银行转账
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.