ASUS C31N1411 Genuine Laptop Battery 45Wh 11.55V 3900mAh 3-Cell Li-ion for ZenBook UX303 (Black)

Original ASUS C31N1411 battery built specifically for the ZenBook UX303 series. Unlike generic replacements, this unit uses premium-grade cells and ASUS's own protection ICs, ensuring stable voltage and accurate charge metering. Restore full mobility to your ultrabook or keep a spare for travel—performance matches the factory-fitted battery.

Highlights

• Original ASUS part, black finish
• 45Wh capacity, 3-cell Li-ion chemistry
• 11.55V DC output, 3900mAh
• Compatible with UX303L, UX303LA, UX303LB, UX303LN, UX303UA, UX303UB, UX303U
• Safety protections: overcharge, over-discharge, overcurrent, short circuit
• Certified CE, FCC, RoHS

In daily use

Installation is straightforward: remove the bottom cover, disconnect the old battery, and connect this replacement. It charges with the original ASUS adapter and communicates correctly with the system. Expect several hours of runtime depending on screen brightness and workload.

Full specifications

• Battery Type: Lithium-ion (Li-ion)
• Capacity: 45 Wh
• Voltage: 11.55 V
• Current Capacity: 3900 mAh
• Number of Cells: 3-Cell
• Battery Chemistry: Li-ion
• Series: ASUS ZenBook UX303
• Compatible Models: UX303L, UX303LA, UX303LB, UX303LN, UX303UA, UX303UB, UX303U
• MPN: C31N1411
• Colour: Black
• Condition: Original / New
• Rechargeable: Yes
• Safety Features: Overcharge Protection, Over-discharge Protection, Overcurrent Protection, Short Circuit Protection
• Certifications: CE, FCC, RoHS

Final note

Using a genuine battery ensures compatibility, safety, and long-term reliability for your ZenBook.