ASUS C31N1821 batería de portátil Li-Polymer 4210mAh para serie ZenBook 13/14/15 UX333 UX433 UX533 - negra

This Extra Digital Advanced replacement battery breathes new life into your ASUS ZenBook, matching the original C31N1821 pack in fit, voltage, and communication. Unlike generic cells that often report inaccurate charge levels, this 3-cell Li-Polymer unit delivers a true 4210mAh capacity and 48.63Wh energy, so you can work unplugged with confidence.

Highlights

• Direct replacement for ASUS part numbers C31N1821, 0B200-03290000, and 0B200-03290100
• 11.55V nominal voltage and 4210mAh capacity for reliable runtime
• Integrated overcharge, over-discharge, overheat, and short-circuit protection
• CE, FCC, and RoHS certified for safety and environmental compliance
• Internal installation – designed to fit perfectly inside compatible ZenBook models

In daily use

Once installed, the battery behaves exactly like the original: the laptop reads the exact charge percentage, and the protection circuits prevent damage from power surges or extreme temperatures. You can leave the laptop plugged in overnight without worrying about overcharging, and the Li-Polymer chemistry retains capacity over hundreds of cycles.

Full specifications

• Battery type: Li-Polymer
• Voltage: 11.55V
• Capacity: 4210mAh / 48.63Wh
• Number of cells: 3
• Colour: Black
• Condition: New
• Compatible ASUS series: ZenBook 13 UX333FA, UX333FN, UX333FL; ZenBook 14 UX433FA, UX433FN, UX433FL; ZenBook 15 UX533FD, UX533FT; ZenBook 14 UX534FT; VivoBook U3300F, U4300F, U5300F series
• Protection: Overcharge, over-discharge, overheat, short-circuit
• Certifications: CE, FCC

Final note

Restore your ZenBook's portability with a battery that matches the original in every way—fit, performance, and safety.