Samsung2-3hOriginal Service Pack

Battery Replacement Samsung A51

Call 065/362-61-31

Price List

Original (Service Pack)

The only option we offer — original.

7,000 RSD
  • Warranty: 90 days
  • In Settings: Original Samsung battery — the phone sees it as factory.
  • Original Samsung battery from Service Pack packaging
  • Authorized importer, we do not install copies

Note: if the back cover is cracked, the battery warranty does not apply — a shard of glass can fall inside and puncture the new battery. If we replace the cover during the same visit, the battery keeps its full warranty.

Repair in 2-3h
Warranty 90 days
No data loss

Samsung Galaxy A51 Battery Replacement - Bring Back Its Original Power

The Samsung Galaxy A51 was one of the most popular mid-range phones, known for its durability and reliability. However, after several years of use, even the highest-quality battery starts showing signs of aging. If you notice your A51 draining faster, charging more slowly, or shutting down unexpectedly, it's time for a professional battery replacement.

Why Batteries Degrade

Lithium-ion batteries in smartphones have a limited life cycle. After 500-800 charging cycles, battery capacity drops significantly. The Galaxy A51 comes with a 4000mAh battery, which was a solid specification for its time, but over time that battery loses its ability to hold a full charge. Factors such as high temperatures, overcharging, and deep discharging further accelerate the degradation process.

Original Samsung Batteries - The Only Reliable Solution

At Viper Mobile, we exclusively use original Samsung batteries in Service Pack packaging. For the Galaxy A51, the price of an original battery with installation is 7.000 dinars. This investment will restore your phone's performance to like-new condition. Service Pack batteries undergo strict Samsung quality controls and come with all the necessary components for safe installation.

Battery Replacement Process

Replacing the Galaxy A51 battery requires precision and experience. Our technicians first carefully open the back cover using specialized tools to avoid any damage. The Galaxy A51 has a complex internal construction with multiple layers of components that need to be carefully removed to access the battery. The old battery is secured with adhesive strips that must be carefully removed. After that, the new original battery is placed into position, its operation is tested, and all connected systems are checked. The entire process takes 2 to 3 hours, and we test charging, performance, and temperature before returning the phone to you.

Why Choose Viper Mobile

With experience dating back to 2004, Viper Mobile is synonymous with reliability in the world of mobile technology. We're located at Bulevar Arsenija Čarnojevića 91/3 in New Belgrade, easily accessible by public transport. Battery replacement comes with a 90-day warranty, giving you complete peace of mind.

The Result You'll Feel

After replacing the battery with an original one, your Galaxy A51 will once again be able to last through an entire day of intensive use. Charging time will return to factory specifications, and the phone will no longer experience unexpected voltage drops. Call us at 065/362-61-31 and schedule an appointment - we'll bring back the power your phone had on day one.

Frequently Asked Questions About Battery Replacement

How do I know if I need a new Samsung battery?

Open Samsung Members → Support → Phone diagnostics → Battery status. Samsung does not show a capacity percentage the way iPhone does — it gives a rating: Normal, Weak or Bad. On newer models (S23 and up) the exact percentage and charge cycle count also appear under Settings → Battery and device care → Battery. Practical signs it is time for a replacement: the phone shuts down at 20-30%, the battery drains faster than before, charging takes longer than usual, or the battery is physically swollen.

How long does Samsung battery replacement take?

From 2 to 3 hours. The battery swap itself is the shorter part of the job — most of that time goes to curing the adhesive that holds the back cover in place. That step cannot be rushed: if the phone is collected before the adhesive sets, the cover will not seat properly. That is why the device stays with us for the full period.

Will I lose my data during Samsung battery replacement?

No. Battery replacement does not affect your data, photos, apps, or settings on your Samsung phone. We never erase anything and never ask for your unlock code. One thing to know before the repair: after a battery replacement the phone is no longer water resistant, because the factory seal is opened once and cannot be restored to factory condition.

Is the Samsung battery original?

Yes. We use exclusively original Samsung batteries from the authorized distributor with full factory capacity. No copies or generic replacements — only originals compatible with Samsung fast charging technology.

Will the phone perform like new after a battery replacement?

The battery will be new — but the phone will not behave like it did on day one, and that is not down to the battery. Apps have grown several times over: what used to take 30 MB now takes 150 MB and draws far more power. So a new original battery in a Galaxy S21 after five years of use will not last as long as the factory one did — the same capacity now powers a much heavier load. A battery replacement fixes sudden drain, shutdowns at 20-30% and charging several times a day; it does not turn the phone back into the year it was bought. An original Samsung battery typically retains over 80% capacity through the first 2 years of normal use (about 500 charge cycles).

How much does a Samsung battery replacement cost?

The price depends on the model — exact prices for every Galaxy model are listed in the price table on this page. The price is fixed per model and includes an original Service Pack battery, professional installation and VAT, with no hidden costs. If your model is not in the table, call us for an exact price.

What warranty do I get on a Samsung battery replacement?

The warranty is 3 months (90 days) on the installed battery and labor. The exception are Galaxy Z Flip and Z Fold models — repairs on foldable devices are performed only with the customer’s consent and without warranty, because authorized suppliers do not provide a warranty on parts for those models. The battery warranty also does not apply if the back cover is cracked — a shard of glass can fall inside and puncture the new battery. If we replace the back cover during the same visit, the battery keeps its full warranty.

7,000 RSD

Courier Service

We send a courier to pick up your phone and return it repaired. Available across Belgrade.

1,500 RSD

Hydrogel Screen Protection

With every repair — hydrogel film at a special price of 2,000 RSD. Protects against scratches and minor impacts.

2,000 RSD

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