| Product Details | |
| Product Code: | Asus Laptop Battery AS0001 |
| Brand: | ASUS |
| Model: | C21N1818-2 |
| Battery Type:: | 2-Cell Lithium-Ion (Li-Ion) |
| Voltage: | 7.7V |
| Battery Capacity: | 32Wh |
| Stock | 8 |
Product Description
Vahfra PowerCore Laptop Battery for ASUS VivoBook C21N1818-2 – 32Wh Li-Polymer Replacement with Multi-Model Compatibility
Restore your laptop’s performance with the Vahfra PowerCore Laptop Battery for ASUS VivoBook C21N1818-2. Engineered with premium Li-Polymer cells, this high-quality replacement battery delivers stable power output, extended lifespan, and dependable daily performance.
Designed to match or exceed OEM specifications, this battery ensures seamless compatibility with a wide range of ASUS VivoBook laptops. It provides efficient charging, low self-discharge, and consistent energy delivery—perfect for work, study, or entertainment.
Each battery undergoes strict quality control and safety testing, offering protection against overcharging, overheating, and short circuits. Its precision-fit design guarantees easy installation and secure internal placement.
If your laptop battery drains quickly, won’t charge, or shuts down unexpectedly, replacing it with a compatible unit like this can restore normal functionality and extend device lifespan. :contentReference[oaicite:0]{index=0}
Compatibility
Compatible Battery Part Numbers:
- C21N1818-2
- C21N1818
- C21N1818-1
- B21N1818
- B21N1818-2
Compatible ASUS VivoBook Models (Partial List):
- ASUS VivoBook 14 X409 Series (X409JA, X409JB, X409JP)
- ASUS VivoBook 14 F409 / F412 Series (F409FA, F412DA, F412FA, F412FJ)
- ASUS VivoBook 14 X412 Series (X412DA, X412FA, X412FJ)
- ASUS VivoBook 15 X509 Series (X509UA, X509UA-EJ050T)
- ASUS VivoBook 15 M509 Series (M509DA)
- ASUS VivoBook 15 X512 Series (X512FA, X512DA)
- ASUS VivoBook X545 / A509 / A409 Series
Note: Please verify your original battery model before purchase. Similar models (e.g., C21N1818 vs C21N1818-2) may differ.
Full Specifications
- Battery Type: Lithium-Polymer (Li-Polymer)
- Voltage: 7.6V – 7.7V
- Capacity: 32Wh
- Cell Count: 2 Cells
- Condition: Brand New Replacement
- Recharge Cycles: 500–800 cycles
- Color: Black
- Material: Durable PC-ABS casing
- Safety Protection: Overcharge, over-discharge, overcurrent, short circuit, temperature control
- Certification: CE, FCC, RoHS compliant
- Installation Type: Internal battery
Explore More
- ASUS C21N1818-2 Battery
- VivoBook Battery Replacement
- ASUS Laptop Battery C21N1818
- VivoBook X409 X412 Battery
- 32Wh Laptop Battery














: