Genuine Asus-grade C21N1638 cell — replaced at your doorstep in Hyderabad. Battery dead at 30 minutes? Bottom case bulging? Stop using it — swollen lithium cells can rupture. We replace, calibrate, and test before leaving. ₹3,000–₹5,500 including fitting + free diagnosis.
Free issue check included — we’ll be in touch shortly
₹149 visit + on-site checkOne cell — many Asus laptops. Here’s how to tell if C21N1638 is your part.
Budget 14″ mainstream. Most-sold consumer Asus in Hyderabad of the period.
15.6″ sibling of X441 chassis. C21N1638 standard 38Wh.
Education-tier rebadge of VivoBook 15. Same cell.
Markets-specific F-series rebadge. Compatible C21N1638.
Retail SKU rebadge of X541. Same cell fits.
WhatsApp us the bottom sticker — we confirm in minutes.
Capacity has dropped below 50%. Time for a fresh cell.
Swollen cell — stop using immediately. Risk of rupture.
Laptop shuts off even with charge shown. Worn cell can’t deliver burst current.
Plugged in, not charging. Could be cell, charger, or DC jack — we diagnose free.
Send photo of your laptop bottom sticker. We confirm C21N1638 part match.
Engineer arrives with genuine cell + tools. ₹149 visit covers travel.
30–60 min fitting + first-cycle calibration + post-install test.
Warranty on labour. Manufacturer warranty on the cell. No Fix — No Fee.
Same store, same engineer, different cell. Pick the part that matches your laptop.
Real ratings from customers across Hyderabad. Tap the badge to read live reviews on Justdial.
Same-day doorstep fit. Genuine cell. 30-day warranty. ₹3,000–₹5,500 all-in.