Asus B31N1912 C31N1912 42Wh 11.55V Li-ion Battery for VivoBook 14 E410MA L410MA E510MA

Asus B31N1912 battery price in bd is listed here at QASWATEC. This is a new 42Wh (3550mAh), 11.55V Li-ion replacement pack in black, also sold as C31N1912, for the Asus VivoBook 14 E410MA and its relatives. A fresh B31N1912 gets a slim everyday VivoBook back off the wall socket.

Key Features

• Part numbers: B31N1912, C31N1912
• Capacity: 42Wh, 3550mAh
• Voltage: 11.55V
• Cell type: Li-ion
• Condition: new, black finish
• Warranty from QASWATEC, as listed with the product

Compatible Laptops and Part Numbers

Vital lists this pack for the Asus VivoBook 14 E410MA, L410MA, E410KA, E510MA, E510KA and F414MA series, with E410MA models such as E410MA-EK007TS, E410MA-EK017TS, E410MA-EK026TS, E410MA-BV1169TS, E410MA-EK211T and E410MA-EK505T. It replaces B31N1912 and C31N1912. Always match your exact model before ordering.

Signs the Battery Needs Replacing

Look for a charge that drains within an hour, a laptop that shuts down when you unplug it, or a battery that stalls at a low level.

Why Replace It Early

A worn battery keeps your laptop tied to a socket and can cut power while you work. Replacing it early keeps your files safe and the laptop portable.

What You Get

You get one new B31N1912 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 away from heat, avoid leaving it at full charge on the adapter for weeks, and run a full cycle once a month, which slows capacity loss.

Before You Order

Read the model name on the label under your laptop, compare it with the list above, and check the part number on the old battery. If you are unsure, send us the model name and we will confirm the fit.

Buy Asus B31N1912 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.