Samsung Galaxy A37 Battery Replacement Vienna
Your Galaxy A37 5G drops from 30 to 0 percent, shuts down in the cold or the back bulges slightly outwards? Reparo fits a new 5,000 mAh battery in Vienna for a fixed EUR 79, usually within one to two hours. With a six-month warranty, pickup in Vienna, post from all over Austria or drop-off by appointment.
Samsung A37 battery replacement: price and what you get
A new battery for the Samsung Galaxy A37 5G costs EUR 79 at Reparo in Vienna. The price covers the 5,000 mAh battery, opening the glued glass back, removing the old battery, new adhesive for battery and back, and a charging test with a 45 W charger. A six-month warranty is included. Book the swap and the 25 EUR diagnostic check is not charged.
Galaxy A37 battery replacement
New battery (original or certified) with fitting
- Battery with 5,000 mAh capacity
- Glass back resealed with new adhesive
- Charging test with 45 W fast charging
- Check of charge level and temperature
- 6-month warranty on battery and fitting
Diagnostic check 25 EUR, waived on repair. In Vienna we collect and return the phone from EUR 17.90, priced by zone.
When the battery in the Galaxy A37 is fading
- The level drops by 20 or 30 percent within minutes
- The A37 simply switches off in the cold or under load
- The glass back lifts and the gap to the frame grows
- The phone gets unusually hot while charging
- It only starts when the cable is plugged in
A battery wears a little with every charge cycle, but on an A37 from 2026 that is rarely the reason yet. More often we see batteries damaged in a drop or starting to swell. A bulging back is a warning sign: please stop charging and book the replacement soon. Other faults are in the Galaxy A37 overview.
Process: a new battery for the Galaxy A37
On the Galaxy A37 the battery can only be reached through the glued glass back. We warm it, lift it off, remove the cover over the logic board and disconnect the battery plug. The old battery is glued in and is carefully released without bending it. Then we fit the new one, reseal the back and test charging. This usually takes one to two hours.
- Measure battery condition
We read out charging behaviour and capacity and confirm the battery really is the culprit.
- Remove the back
With heat we release the adhesive of the glass back without breaking the glass.
- Swap the battery
Disconnect the plug, free the old battery from its adhesive bed, fit and connect the new one.
- Close and charge
New adhesive for the back, then a charging test with a 45 W charger and a temperature check.
A swollen battery should not travel by post. In that case please use pickup in Vienna or drop-off by appointment in the 22nd district.
Battery for EUR 79 or a new A37?
For EUR 79 your A37 gets its full runtime back, and Samsung has promised six Android versions and six years of security updates for this model. Anyone using the phone that long will replace the battery at some point anyway. A new A37 cost EUR 429 RRP in Germany at launch.
| Battery at Reparo | New Galaxy A37 | |
|---|---|---|
| Cost | EUR 79 | RRP EUR 429 (128 GB) |
| Data | stays on the phone | transfer needed |
| Duration | 1–2 hours | purchase and set-up |
| Warranty | 6 months on battery and fitting | manufacturer warranty |
RRP in Germany at launch in April 2026, according to Notebookcheck.
If the back cracked in the same drop, the battery job is a good moment: the glass has to come off anyway, and a new back costs EUR 79, see A37 back glass repair. We tell you the combined price beforehand.
The 5,000 mAh battery in the A37 and 45 W charging
The Galaxy A37 has a built-in lithium-ion battery with 5,000 mAh and charges by cable at up to 45 watts. In the Notebookcheck test it was full after around 68 minutes. If your A37 takes much longer or sits at one level for ages, the charging port may be to blame as well as the battery.
Battery or charging port: how to tell them apart
If the A37 only charges with the cable at a certain angle or charging keeps stopping, it is almost always the port, not the battery. If it lasts only a few hours when fully charged, the battery is the problem. We replace the port for EUR 69: A37 charging port repair.
Use battery protection in the settings
Samsung offers a protection feature in the battery settings that stops charging at, for example, 80 percent. Over the years that noticeably spares the new battery. You can switch it back on after the replacement; your other settings stay as they were anyway.
Frequently asked questions about the Samsung A37 battery replacement
Which fixed price applies in Vienna for a Samsung Galaxy A37 battery replacement?
In Vienna a battery replacement on the Galaxy A37 costs exactly EUR 79. That covers the 5,000 mAh battery, opening the glass back with heat, fresh adhesive, a charging test on a 45 W charger and a six-month warranty. If nothing unexpected turns up, that is the amount; we do not charge the 25 EUR diagnostic check when you go ahead.
Can the Samsung A37 battery swap be done on the same day?
Often it can. At the bench the swap takes one to two hours, because the glass back has to be released and resealed. If the A37 reaches us by pickup in the morning, it is often back with you that evening or the next day. When posting from the provinces, plan on two to four working days.
Does my A37 get an original Samsung battery or a certified replacement?
Depending on availability, your A37 gets an original Samsung battery or a certified replacement cell, both with 5,000 mAh. You find out which one before the swap. Every battery is checked for voltage and capacity before fitting and comes with a six-month warranty.
How many mAh does the Samsung Galaxy A37 battery have, and does the replacement match?
5,000 mAh, fitted as a built-in lithium-ion battery. When new, that comfortably lasts a long day with the screen at 120 Hz. The replacement battery we fit has the same capacity. If you still notice less runtime than before after the swap, we check it under the warranty.
Why does my Galaxy A37 die with charge still left?
That happens when the battery can no longer hold its voltage under load, for example in the cold, while filming or gaming. The battery indicator then calculates with values the battery no longer delivers. A new battery for EUR 79 fixes it. If it happens on an almost new A37, we also check the logic board.
The back of my A37 is bulging: is it the battery?
Very likely. A swollen battery pushes the glued glass back outwards. Stop charging the A37, do not press on the back and book an appointment soon. We replace the battery for EUR 79 and check whether the back sits tight again or needs replacing.
Does a replacement battery slow down 45 W charging on the A37?
No, as long as you use a suitable 45 W charger and a matching USB-C cable. After fitting we test with exactly such a charger to see that fast charging kicks in. With an older 25 W charger the A37 charges more slowly; that is normal and not a fault of the new battery.
Why should an A37 with a swollen battery not go in the post?
Because a swollen lithium-ion battery can be damaged by pressure in a parcel and is dangerous to ship. In Vienna use pickup or book a drop-off slot in the 22nd district. If the battery is merely weak and not bulging, you can post the A37 as normal, well padded.
May I bring my A37 to an appointment myself for the new battery?
Yes, by appointment at a fixed slot in the 22nd district. Turning up spontaneously does not work, because nobody is on site without a booking. How the A37 gets back to you after the swap is something you decide right when booking, so nothing is left open.
Will you collect an A37 with a bulging battery from me in Vienna?
Yes. You enter address and time window, we collect the A37 and deliver it back with a new battery. Depending on the district zone, pickup and return delivery together cost from EUR 17.90. With a bulging battery this is the safest way to us, because the phone does not have to go in a parcel.
Does the A37 start from scratch after the battery change?
No, only the battery statistics do. The battery has nothing to do with storage; photos, chats and apps stay unchanged, and the A37 starts with all its settings. The statistics start over, because the system needs a few charge cycles to get to know the new battery.
What happens if the new A37 battery fades after a few months?
Get in touch, because for half a year we stand behind battery and fitting. We measure the capacity again. If the battery really is weaker than it should be or the A37 shuts down for no reason, we replace it at no cost. That does not apply if the phone has since been dropped or got wet.
Is the battery replacement on the A37 cheaper than a new phone?
By a long way. EUR 79 compares with an RRP of EUR 429 for a new A37, and cheaper new phones usually have shorter update promises. Because Samsung supplies the A37 with security updates for six years, a new battery after two or three years is the logical step to keep using it.
When do I need a diagnostic check before the A37 battery swap?
When it is not clear whether the battery or something else is at fault, for example if the A37 will not start at all or does not charge even with a new cable. The check costs 25 EUR and you get findings with a price. If you then go ahead with the repair, it is waived.
My A37 was in water and the battery is acting up: what now?
Power it down, keep it off the charger and skip the bag of rice. Liquid can cause corrosion at the battery connector and on the board that only shows days later. We clean the A37 in a cleaning bath for around 48 hours and test it afterwards. Treatment starts at EUR 49, and we only fit a new battery if it really is affected.
Replace your Galaxy A37 battery – appointment in Vienna
EUR 79 fixed price, one to two hours, six-month warranty. Diagnostic check 25 EUR, waived on repair.