Refurbished ASUS C31N1911 Laptop Battery (11.55V 42Wh) – Compatible With VivoBook & ZenBook Models

A refurbished ASUS C31N1911 laptop battery designed to restore strong, reliable power to a wide range of ASUS VivoBook, VivoBook Flip, VivoBook S14, ZenBook, and 14X/15/17‑series laptops. This OEM battery has been professionally tested, cleaned, and verified to meet original ASUS performance standards.

With a 42Wh / 3630mAh capacity and 11.55V rating, this lithium‑ion battery delivers stable runtime for everyday use, productivity, and school or office work. It includes multiple safety certifications (CE, RU, UKCA) and uses high‑quality cells sourced from Korea.

This battery is ideal for users experiencing short battery life, sudden shutdowns, or charging issues. It is a direct replacement for the ASUS C31N1911 model and fits dozens of popular ASUS laptops.

• Genuine refurbished ASUS C31N1911 replacement battery

• 11.55V, 42Wh, 3630mAh lithium‑ion power

• Compatible with ASUS VivoBook, VivoBook Flip, VivoBook S14, ZenBook, and 14X/15/17 models

• Fully tested and restored to OEM performance

• High‑quality Korean cells; assembled to ASUS standards

• Certified safe: CE, RU, UKCA

• Ideal for fixing short battery life or charging problems

• Perfect for home, school, office, and business laptops

Compatible ASUS Laptop Models

This refurbished ASUS C31N1911 battery works with many ASUS laptops, including:

VivoBook Flip 14 Series TM420IA / TM420UA / TM420U / TP420IA / TP420UA / TP420U / TP470EA / TP470EZ

VivoBook 14 Series F413 / K413 / M413 / X413 / X421 / A413 / S413 / V433FA / V4050FA

VivoBook S14 / S433 Series S433EA / S433EQ / S433FA / S433IA / S433JA

VivoBook 14X / 15 / 17 Series M1402IA / X1402 / M1502IA / M1702 / X1703

VivoBook Pro Series Pro 14 M3400QA / Pro 15 KM3500QA

ZenBook Series X3500PA / X3500PC / X3500PH