OnePlus 8T Battery Replacement Vienna
Your OnePlus 8T no longer lasts half a day, shuts down at 30 % remaining charge or gets noticeably hot during Warp Charge 65 charging? Reparo replaces the certified Li-polymer cell (4500 mAh) in Vienna — 79 € fixed price, 6 months warranty, Warp Charge 65 stays fully functional. Usually 60–90 minutes, pickup service Vienna.
OnePlus 8T battery price at a glance
Certified battery replacement
Complete incl. installation and calibration
- Certified Li-polymer cell with 4500 mAh
- Nominal voltage 3.87 V, same capacity as original
- OxygenOS calibration to the new cell
- Warp Charge 65 compatibility stays fully intact
- 6 months warranty on cell and installation
Diagnostic check 25 EUR, waived on repair. Pickup service Vienna included, Austria-wide shipping in hazardous-goods box.
Typical battery problems on the OnePlus 8T
- Your OnePlus 8T no longer lasts a workday — 6 to 8 hours of screen time used to be no problem
- The device shuts down spontaneously between 20 and 30 % remaining charge, especially in cold weather
- The 4500 mAh battery gets noticeably hot during Warp Charge 65 charging, and the charging process is throttled
- The battery percentage display jumps in large steps instead of falling continuously
- The back visibly bulges in the battery area — a clear sign of swelling
- The OnePlus 8T no longer starts after a full discharge, not even on the charger
- OxygenOS reports significantly reduced capacity in the battery settings
How does the OnePlus 8T battery replacement work?
- Battery diagnosis
OxygenOS battery display plus our voltage measurement on the battery module. Below 80 % capacity or over 500 full cycles, we recommend a replacement.
- Gently open the display
The OnePlus 8T is opened with a special suction cup, flex cable detached, panel fixed on the stand.
- Release the battery adhesive strips
The 4500 mAh cell is fixed to the frame with pull tabs. We release it with 99 % isopropanol, never with a screwdriver as a lever.
- Insert the certified cell
New Li-polymer cell with identical capacity, 3.87 V nominal voltage, exact form factor. Connector to the mainboard, adhesive to the frame, contact pressure controlled.
- Re-bond the display and calibrate
New seal on the frame, panel bonded under pressure, 30 minutes curing time. Then a full charge for calibration.
- Test and fast-charge check
OxygenOS battery health, voltage curves, charging speed with the original OnePlus Warp Charge 65 power adapter.
Replacing the OnePlus 8T battery — price, process and lifespan in Vienna
The Li-polymer battery in the OnePlus 8T has 4500 mAh capacity with Warp Charge 65. After 500 to 700 full cycles, the maximum capacity drops to 80 % — with intensive use often after just two years. OxygenOS shows the condition in the settings under Battery.
Reparo replaces the OnePlus 8T battery in Vienna for a 79 € fixed price. Included: 4500 mAh dual-cell battery with Warp Charge 65W — full in 39 minutes, OxygenOS calibration, fast-charge test, 6 months warranty. If you also have display problems, you'll find the repair under OnePlus 8T screen replacement.
OnePlus service vs. Reparo — what makes the difference?
OnePlus has barely any authorized workshops in Austria — most repairs run as a send-in to Germany (two to three weeks processing time). Reparo replaces it in Vienna within 60 to 90 minutes, courier pickup the same day, 6 months warranty. All models at a glance: OnePlus repair Vienna.
Frequently asked questions about the OnePlus 8T battery replacement
OnePlus 8T battery replacement in Vienna — what does it cost?
The OnePlus 8T battery replacement costs 79 € fixed price at Reparo in Vienna. Included: certified 4500 mAh Li-polymer cell, OxygenOS calibration, 6 months warranty. Diagnostic check 25 EUR, waived on repair.
What does the battery replacement cost on the OnePlus 8T?
79 € fixed price. Included are the cell, installation, calibration, adhesive technique and 6 months warranty. No hidden surcharges.
How long does the new OnePlus 8T battery last?
The replacement battery manages 500 to 700 full cycles with at least 80 % capacity under normal use — that corresponds to roughly 2.5 to 3.5 years of everyday use.
Does Warp Charge 65 work on the OnePlus 8T after the battery replacement?
Yes. On the OnePlus 8T, the fast-charge logic sits on the mainboard and the charging chip, not in the cell. Our replacement cell supports the full Warp Charge 65 protocol — charging in the same time as before.
Does OxygenOS stay unchanged on the OnePlus 8T after the battery replacement?
Yes. Flash storage and mainboard are not touched during the battery replacement. OxygenOS, apps, photos, accounts and the Alert Slider mode remain fully intact.
How long does the OnePlus 8T battery replacement take?
60 to 90 minutes of actual working time. With the Vienna pickup service usually back the same working day, at the latest the next day.
My OnePlus 8T is bulging at the back — is that dangerous?
Yes, potentially. A swollen Li-polymer battery has built up gas pressure — the risk of fire or explosion rises with every charge cycle. Switch it off immediately, bring the device to us, hazardous-goods disposal of the old cell is included.
Can I drop off my OnePlus 8T for the battery replacement in Vienna?
Yes, with a booked drop-off appointment in the 22nd district, or use pickup or send-in instead. Battery repairs run via online booking plus courier pickup in all 23 Vienna districts. From the provinces, insured shipping in a hazardous-goods box.
Battery replacement via pickup service — how does it work for the OnePlus 8T in Vienna?
You choose a preferred time slot online (9 a.m. to 6 p.m.), the courier picks up the device, we replace the cell in 60–90 minutes, return the same day. The courier is included in the battery fixed price.
Shipping from the provinces: is the OnePlus 8T battery replacement safely possible?
Yes. Shipping there and back takes place in a UN-approved hazardous-goods box with transport insurance — regularly devices from Graz, Linz, Salzburg, Klagenfurt, Innsbruck and Bregenz.
Is any data lost during the OnePlus 8T battery replacement?
No. Flash storage, OnePlus account, SIM and all apps remain untouched. We still recommend a backup — it makes things more relaxed.
How long is the warranty on the new OnePlus 8T battery?
Six months Reparo warranty on cell and installation. If a defect occurs during this time: free re-replacement, without a second diagnostic fee.
Do I lose the OnePlus warranty on the OnePlus 8T through the battery replacement?
The OnePlus 8T factory warranty (2 years) expired 6 years ago — so nothing more is lost. What you get: 6 months Reparo warranty from installation.
My OnePlus 8T charges slower than before — battery or power adapter?
Often both together. An aging battery throttles the charging current for self-protection, while the USB port may also be corroded. Our diagnostics (25 €, waived on repair) separates this cleanly.
Is the OnePlus 8T battery replacement still worth it in 2026?
Yes. 79 € for the replacement versus 189 € for a used device in comparable condition. OnePlus still supplies the OnePlus 8T with OxygenOS updates for another 2 years — the device stays secure and usable.
Replace the OnePlus 8T battery in Vienna
Fixed price 79 €, 60–90 minutes working time, 6 months warranty.