Asus C21N1833 47Wh 7.7V Li-ion Laptop Battery for VivoBook S14 S431 ZenBook UX431

Asus C21N1833 battery price in bd is available here at QASWATEC. This is a new 47Wh, 7.7V Li-ion replacement pack in black, built for the Asus VivoBook S14 S431 and the ZenBook 14 UX431 and UM431 families. A fresh C21N1833 restores the long runtime these slim laptops had on day one.

Key Features

• Part number: C21N1833
• Capacity: 47Wh
• Voltage: 7.7V
• Cell type: Li-ion
• Condition: new, black finish
• Warranty: 1 year, listed with the product

Compatible Laptops

Vital lists this pack for Asus VivoBook S14 S431, S431F, S431FA and S431FL, plus ZenBook 14 UM431, UM431D, UM431DA, UX431, UX431F, UX431FA, UX431FL, UX431FN and UX431DA. It also lists X431FA and X431FL series laptops. Always match your exact model before ordering.

Signs the Battery Needs Replacing

Watch for a charge that runs out within an hour, a laptop that shuts down when you unplug the adapter, or a battery meter that jumps wildly. These point to worn cells.

Why Replace It Early

In a thin laptop an aged battery also runs warmer and keeps the machine tied to a socket. An early swap keeps the ZenBook light and your open files safe from sudden power loss.

What You Get

You get one new C21N1833 battery pack. Our team can check the fit for you before you buy, so you avoid a wrong order and a second trip to the shop.

Care Tips for Longer Life

Keep the laptop cool, avoid leaving it plugged in at full charge for weeks, and let it run through a full cycle now and then, which slows capacity loss.

Before You Order

Check the model sticker under your laptop and compare it with the list above. The label on your old battery should show C21N1833. If you are unsure, send us the model name and we will confirm the fit.

Buy Asus C21N1833 Battery from QASWATEC

QASWATEC at Elephant Road, Dhaka has supplied laptop parts since 2010. Visit the showroom or order online for a replacement with clear warranty terms and honest fitting advice from people who handle laptops every day.