The C21N1509 (also 0B200-01750000) is a high-performance 7.6V 38Wh (5000mAh) Li-ion replacement battery for ASUS VivoBook X556, X556UA, X556UB, X556UF, X556UJ, A556, F556, K556 and FL5900U series. Precision-matched to the original connector and mounting layout, it restores stable power for daily computing with built-in BMS protection.
Product Specifications
| Battery Model: | C21N1509 / 0B200-01750000 |
| Capacity: | 38Wh / 5000mAh |
| Voltage: | 7.6V |
| Battery Type: | Li-ion |
| Condition: | 100% Brand New |
| Warranty: | 1-year warranty |
Replace Part Numbers
- C21N1509
- 0B200-01750000
Compatible Laptop Models
- ASUS VivoBook X556
- ASUS VivoBook X556UA / X556UB
- ASUS VivoBook X556UF / X556UJ
- ASUS VivoBook A556
- ASUS VivoBook F556
- ASUS VivoBook K556
- ASUS FL5900U Series
FAQ
- Q: Why did my X556 laptop stop recognizing its battery?
- A: This is often caused by a firmware mismatch or connector oxidation. Replacing with a fresh C21N1509 often resolves these power detection issues.
- Q: Is this battery compatible with the X556U variant?
- A: Yes, it is fully compatible with the X556U, X556UA, X556UB, X556UF, X556UJ, and all sub-variants within the X556 motherboard family.