Acer battery specialists Servicing since 2007 AP21A5L cells, calibrated fit

Shuts off at 30%?

Acer Nitro 16 AN516-51 shutting off at 30 percent? Voltage sag from a tired AP21A5L cell. New module restores full 57.48Wh runtime.

Acer Acer Nitro 16 AN516-51 battery at your door in Hyderabad ₹149visit charge

Battery failing fast on your Acer Acer Nitro 16 AN516-51?

The Acer Acer Nitro 16 AN516-51 uses the AP21A5L 3-cell lithium-ion battery (57.48Wh, 11.55V, 4970 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.

Service Battery Trackpad Lift Drains Fast Random Shutdown 800+ Cycles Won't Charge

Book your Acer Nitro 16 AN516-51 battery fit

Free issue check included — we’ll be in touch shortly

₹149 visit + on-site check
Same-Day
Doorstep across 50+ Zones
30-Day Warranty
No Fix — No Fee
Genuine AP21A5L 57.48Wh 3-cell battery for the Acer Acer Nitro 16 AN516-51.

The AP21A5L module, end-to-end

Genuine Acer AP21A5L module with 3 lithium-ion cells (11.55V, 57.48Wh, 4970 mAh) in the original housing, integrated safety controller, factory-spec connector. The fit is mechanical: remove bottom cover, peel adhesive, swap module, refit cover.

Capacity57.48 Wh
Voltage11.55 V
Charge4970 mAh
Cell count3 (Li-Ion)
Cycle life800-1,000 cycles to 80%
Part numberAP21A5L
Warranty30 days
FitsAcer Acer Nitro 16 AN516-51

Which Acer Laptops Use the AP21A5L Battery

Same battery, multiple Acer variants. Photograph the rear label and WhatsApp 7702503336 — our certified technician confirms the right fitment before your visit.

Acer Acer Nitro 16 AN516-51 (primary)

Most common in our Hyderabad service queue. AP21A5L fits without modification.

Acer Acer Nitro 16 AN516-51 siblings

Sibling SKUs sharing the same chassis and battery. Same AP21A5L module, same fit. Our certified technician confirms by serial before fitting.

NOT for newer Acer models

Newer models (2020+) use built-in non-removable batteries with different part numbers. Different SKU. Share your model number for the right battery.

Six Signs Your Acer Nitro 16 AN516-51 Battery Needs Replacing

Lithium-ion cells fail gradually. Most owners notice two or three of these symptoms before booking.

Service Battery / Replace Soon warning

Windows or BatteryInfoView shows the alert. Cycle count exceeds 800 OR maximum capacity below 80 percent of 57.48Wh.

Trackpad lifting

Cell swelling on the AP21A5L. Lifts the palmrest. Visible gap, uneven typing surface. Stop and book the swap immediately.

Drops 60 to 30 to dead in minutes

Capacity has fallen below the threshold where Windows runtime estimate stays accurate.

Random shutdowns at 50-60 percent

Voltage sag under load. Tired cell can't deliver peak amps. Replacement fixes it.

Cycle count past 800

Approaching end-of-life. Battery may still work, but runtime is roughly 40-50 percent of new.

Stuck at 1 percent / won't charge

Sometimes EC reset works. Often the cell has failed. We test both onsite.

Acer Nitro 16 AN516-51 Battery Replacement Cost

Acer Acer Nitro 16 AN516-51 AP21A5L battery replacement in Hyderabad starts at ₹9,000 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.

Battery Replacement

Genuine AP21A5L + doorstep fit₹9,000 – ₹14,000
Battery + internal cleaning₹9,800 – ₹14,700
Battery + thermal paste re-do₹10,200 – ₹15,300
On-site battery health diagnosis₹149

Other Acer Repairs

Charger / 65W adapter₹1,200 – ₹2,200
Cooling fan + thermal clean₹1,500 – ₹3,500
Hinge replacement₹1,500 – ₹3,500
Keyboard replacement₹1,500 – ₹3,000
Logic-board diagnosis₹500 – ₹1,000

Visit & Care

Doorstep visit charge₹149
Free pickup & drop in HyderabadFree
Old part certified e-waste handlingFree
Service Care PackView →
Warranty30 days

How Acer Battery Doorstep Service Works

From WhatsApp to a working Acer Nitro 16 AN516-51 in four steps. Office, home, anywhere in Hyderabad.

1

Tell Us the Issue

WhatsApp 7702503336 with model + photo. We confirm we have your part available for fitting and quote within five minutes.

2

Pick Time & Address

Office in HiTec City, hostel in Ameerpet, home in Banjara Hills. We confirm a 60-120 minute slot.

3

Engineer On-Site With the Part

Genuine AP21A5L, T5 Torx, anti-static mat, capacity-verification load tester. Old cell out, new module in, EC reset, capacity verified.

4

Test & Pay After Fix

BatteryInfoView reading verified, calibration cycle started, capacity reading checked in front of you. 30-day warranty. UPI, cash, or net banking.

Why Acer Owners in Hyderabad Pick Us

Sub-₹1,200 AP21A5L on Indian marketplaces are recycled cells repackaged in OEM housings. They fail within 4-6 months and trip Windows battery warnings.

Tier-1 Parts Only

Original Acer housing, original Li-Ion cells, original safety controller. We do not stock cheap recycled cells.

Same-Day Doorstep Fit

Engineer arrives with the module, T5 Torx, anti-static mat, load tester. 30-40 minute fit including capacity verification on-site.

30-Day Warranty

Every part we fit carries a 30-day replacement warranty. Local accountability, not Indian marketplace ship-and-forget.

No Data Touched

Battery swap doesn't touch the SSD. Windows, all your apps, files and BitLocker stay exactly as they were.

Doorstep, Not Counter

You don’t carry a faulty laptop across Hyderabad traffic. Engineer arrives at your office, hostel, or home. ₹149 visit, waived if you proceed.

Free Diagnosis First

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.

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Acer Nitro 16 AN516-51 Battery — Honest Answers

Questions Hyderabad Acer owners ask before booking.

Which Acer laptops use AP21A5L?+
Acer Acer Nitro 16 AN516-51 primary, plus sibling SKUs sharing the chassis. Photograph the rear label to confirm.
What does Replace Soon mean?+
Windows shows it when cycle count exceeds 800 OR maximum capacity drops below 80 percent of the 57.48Wh design.
Trackpad lifting — is it the battery?+
Almost certainly. Stop using and book the swap. Lithium-ion swelling is a fire risk.
Will my data be preserved?+
Yes. Battery sits independent of the SSD. Windows, all apps, files stay exactly as they were.
How do I check cycle count?+
Download BatteryInfoView (NirSoft, free). Cycle Count under Battery Information.
Genuine or aftermarket?+
Genuine AP21A5L from authorised Acer distributors. Aftermarket cells trip Windows warnings within 200-400 cycles.
How much does it cost?+
Genuine + fit: ₹9,000-₹14,000. Combo with cleaning: ₹9,800-₹14,700. ₹149 visit, waived if you proceed.
Which Hyderabad areas do you cover?+
All 40+ Hyderabad zones from our Secunderabad store: Banjara Hills, Jubilee Hills, Film Nagar, Somajiguda, Begumpet, HiTec City, Madhapur, Gachibowli, Kondapur, Kukatpally, Miyapur, Ameerpet, Dilsukhnagar, Mehdipatnam, LB Nagar, Uppal, and 25+ more.

Service Battery on your Acer Acer Nitro 16 AN516-51? Same-day fix.

Genuine AP21A5L module, doorstep in Hyderabad, 30-day warranty. Pay only after capacity reads healthy.