Signs of a worn battery
- • Poor battery life, sudden percentage drops
- • Unexpected shutdowns at 10–20%
- • Battery swelling or unusual heat
- • Unstable charging, cable/charger detected randomly
Tip: avoid long periods at 100% and full discharges to 0%.
Smartphone battery replacement (iPhone, Samsung, Xiaomi…)
Battery draining fast, phone shutting down at 20% or swelling? We replace your smartphone battery with quality parts, before/after testing, warranty, and care tips.
Battery replacement around Saint‑Chamassy (Audrix, Le Buisson‑de‑Cadouin, Limeuil…).
Battery Serenity Offer
Diagnostic offered if replacement is done on site
- Quality parts, careful assembly
- Charge/discharge test and heat control
- Tips to extend battery lifespan
Clean replacement workflow
- Diagnosis and checks: battery health, cycles (if available), safety controls.
- Opening and securing: adhesives handled, flex cables protected.
- Disconnect / removal: old battery extracted without stress.
- New battery install: proper positioning, connectors, seals.
- Reassembly and calibration: charge/discharge tests, system checks.
- Usage advice: best practices to maximize longevity.
Brand‑specific notes
- Apple : TrueTone/FaceID handling, waterproof gaskets, pentalobe screws.
- Samsung : Strong adhesives, delicate AMOLED — heat must be controlled.
- Xiaomi/Redmi/POCO : Flexes close to the motherboard, clipped frame.
- We service most Android and iPhone models.
Repair rather than replace
Replacing only the battery extends device life and reduces environmental impact.
We favor quality parts and clean disassembly to reduce waste.
Which option to replace a battery?
Replacement options: at home, local workshop, or manufacturer.
At‑home replacement
Pros
Fast, convenient, no phone downtime.
Cons
Depending on model: part availability to confirm.
Local workshop
Pros
Full tooling and deeper tests if needed.
Cons
Requires leaving the device (variable delay).
Manufacturer
Pros
Official parts when eligible.
Cons
Often longer lead times and higher costs, shipping possible.
Avoid excessive heat, prefer partial charging (20–80%), keep system updated for power optimizations.
Frequently asked questions
If battery life drops fast, the phone shuts down at 10–20%, heats up, swells, or shows a battery service message (iPhone), replacement is recommended.
About 30–90 minutes depending on the model (adhesives, waterproofing, internal layout).
Yes, we do not access your data. As a precaution, we recommend a backup before the repair.
Battery Serenity Offer
Avoid excessive heat, prefer partial charging (20–80%), keep system updated for power optimizations.
Free travel within 10 km of Saint‑Chamassy, then 10€ + €0.50/km beyond.
What they say about Tera24
Johanna Stobbs
★★★★★
21/02/2026
Excellent!
Regine LADEUIL
★★★★★
27/01/2026
I had a problem with my antivirus and the Windows 11 installation. I contacted Tera24. I want to thank Damien for his quick and professional service. The repair was carried out with great care, and hi… Read more
I had a problem with my antivirus and the Windows 11 installation. I contacted Tera24. I want to thank Damien for his quick and professional service. The repair was carried out with great care, and his explanations were clear. I am very satisfied with the service and highly recommend them. I will definitely use their services again if needed. Thank you, Damien.
Corinne et Patrice
★★★★★
27/01/2026
Excellent troubleshooting and detailed explanations. Very quick response. We should meet again as soon as I have a moment for further assistance transferring from an old computer to a laptop. See you… Read more
Excellent troubleshooting and detailed explanations. Very quick response. We should meet again as soon as I have a moment for further assistance transferring from an old computer to a laptop. See you soon. Sincerely,
Helen Hall
★★★★★
05/09/2025
Damien was exceptional from the first contact. We had been struggling with our Samsung Snapdragon laptop that wouldn't connect to a printer. Damien was able to rectify this for us and we are now abl… Read more
Damien was exceptional from the first contact. We had been struggling with our Samsung Snapdragon laptop that wouldn't connect to a printer. Damien was able to rectify this for us and we are now able to print with no issues. Professional, courteous and experienced. Merci Damien, Helen
Axel Descollonge
★★★★★
24/07/2025
Excellent service! I entrusted them with my speaker for repair, and the work was done quickly and perfectly. Very professional, friendly, and attentive. I 100% recommend them for any type of computer … Read more
Excellent service! I entrusted them with my speaker for repair, and the work was done quickly and perfectly. Very professional, friendly, and attentive. I 100% recommend them for any type of computer or audio repair!