Acer Swift Go 16 SFG16-71 shutting off at 30 percent? Voltage sag from a tired AP21B5K cell. New module restores full 54.6Wh runtime.
Acer Acer Swift Go 16 SFG16-71 battery at your door in Hyderabad ₹149visit charge
Battery failing fast on your Acer Acer Swift Go 16 SFG16-71?
The Acer Acer Swift Go 16 SFG16-71 uses the AP21B5K 3-cell lithium-ion battery (54.6Wh, 11.55V, 4720 mAh). At 800-1,000 cycles or with cell swelling, runtime drops to under an hour. Genuine module fitted at your address in 30-40 minutes including capacity verification.
Free issue check included — we’ll be in touch shortly
₹149 visit + on-site checkGenuine Acer AP21B5K module with 3 lithium-ion cells (11.55V, 54.6Wh, 4720 mAh) in the original housing, integrated safety controller, factory-spec connector. The fit is mechanical: remove bottom cover, peel adhesive, swap module, refit cover.
Same battery, multiple Acer variants. Photograph the rear label and WhatsApp 7702503336 — our certified technician confirms the right fitment before your visit.
Most common in our Hyderabad service queue. AP21B5K fits without modification.
Sibling SKUs sharing the same chassis and battery. Same AP21B5K module, same fit. Our certified technician confirms by serial before fitting.
Newer models (2020+) use built-in non-removable batteries with different part numbers. Different SKU. Share your model number for the right battery.
Lithium-ion cells fail gradually. Most owners notice two or three of these symptoms before booking.
Windows or BatteryInfoView shows the alert. Cycle count exceeds 800 OR maximum capacity below 80 percent of 54.6Wh.
Cell swelling on the AP21B5K. Lifts the palmrest. Visible gap, uneven typing surface. Stop and book the swap immediately.
Capacity has fallen below the threshold where Windows runtime estimate stays accurate.
Voltage sag under load. Tired cell can't deliver peak amps. Replacement fixes it.
Approaching end-of-life. Battery may still work, but runtime is roughly 40-50 percent of new.
Sometimes EC reset works. Often the cell has failed. We test both onsite.
Acer Acer Swift Go 16 SFG16-71 AP21B5K battery replacement in Hyderabad starts at ₹5,500 for the genuine module plus doorstep fit. Combo with internal cleaning starts at ₹3,000. ₹149 visit waived if you proceed. 30-day warranty. No Fix, No Fee.
From WhatsApp to a working Acer Swift Go 16 SFG16-71 in four steps. Office, home, anywhere in Hyderabad.
WhatsApp 7702503336 with model + photo. We confirm we have your part available for fitting and quote within five minutes.
Office in HiTec City, hostel in Ameerpet, home in Banjara Hills. We confirm a 60-120 minute slot.
Genuine AP21B5K, T5 Torx, anti-static mat, capacity-verification load tester. Old cell out, new module in, EC reset, capacity verified.
BatteryInfoView reading verified, calibration cycle started, capacity reading checked in front of you. 30-day warranty. UPI, cash, or net banking.
Sub-₹1,200 AP21B5K on Indian marketplaces are recycled cells repackaged in OEM housings. They fail within 4-6 months and trip Windows battery warnings.
Original Acer housing, original Li-Ion cells, original safety controller. We do not stock cheap recycled cells.
Engineer arrives with the module, T5 Torx, anti-static mat, load tester. 30-40 minute fit including capacity verification on-site.
Every part we fit carries a 30-day replacement warranty. Local accountability, not Indian marketplace ship-and-forget.
Battery swap doesn't touch the SSD. Windows, all your apps, files and BitLocker stay exactly as they were.
You don’t carry a faulty laptop across Hyderabad traffic. Engineer arrives at your office, hostel, or home. ₹149 visit, waived if you proceed.
Service Battery alert isn't always the cell. Sometimes the EC has lost charge state and a reset fixes it. We measure first, quote second, replace only with sign-off. No Fix, No Fee.
Every Acer SKU page below has its own pricing, compatibility, and FAQ.
Real ratings from customers across Hyderabad. Tap the badge to read live reviews on Justdial.
Questions Hyderabad Acer owners ask before booking.
Genuine AP21B5K module, doorstep in Hyderabad, 30-day warranty. Pay only after capacity reads healthy.