Battery drains fast, phone shuts down at 30–40 %, holds charge only 1–2 hours, battery swollen, smells or overheats during charging — these are typical signs a phone battery replacement is needed. Over time capacity drops 20–40 % within 1.5–2 years of heavy use, sometimes much faster due to overheating, deep discharges or poor chargers. Grade service in Khmelnytskyi replaces batteries on iPhone, Samsung Galaxy, Xiaomi / Redmi / Poco, Huawei / Honor, Google Pixel, Realme, Oppo, Vivo and other models using original or high-quality (OEM-grade) batteries, with full capacity testing, controller verification and safety checks after replacement.
What the Service Includes
Battery replacement includes:
- Full smartphone disassembly: back cover removal, motherboard & flex cable disconnection
- Safe old battery disconnection (low-voltage supply, contact isolation, heat for adhesive)
- Cleaning chassis from old adhesive tape, glue & thermal interface residue
- Installation of new battery (original or premium analog with matching capacity, voltage, size & BMS controller)
- Verification of power circuit integrity: VBUS, BSI, NTC, overcharge/discharge protection
- Reassembly using new high-quality double-sided tape or adhesive
- Capacity testing: full charge/discharge cycle with real mAh measurement & voltage monitoring
- Power controller check: voltage stability, no overheating, fast charging support
- Real-world testing: runtime in calls, browsing, video, gaming
- Verification of all functions: display, touch, cameras, speakers, charging, sensors
When You Need the Service
Battery replacement is required when:
- Runtime dropped below 60–70 % of factory (less than 3–4 hours active use)
- Sudden shutdown at 20–40 % charge
- Battery overheats significantly during charging or use
- Battery swollen, deformed cover or lifted screen
- Smell or electrolyte leakage signs appeared
- Fast charging stopped working or charges very slowly
- Phone shuts down in cold or under heavy load
- After 2–3 years intensive use capacity dropped critically
Work Stages
- External inspection & testing: current battery condition check (voltage, cycles, temperature)
- Diagnostics: confirm issue is in battery, not controller or charging circuit
- Full disassembly with battery disconnection
- Safe removal of old battery with adhesive heat & contact isolation
- Chassis cleaning from old adhesive & thermal material
- New battery installation with precise positioning
- Reassembly, short-circuit & flex damage check
- Capacity, voltage stability & fast charging testing
- Full device function verification & client report
Why Choose Grade in Khmelnytskyi
Grade uses professional tools for safe battery removal and installation, avoiding damage to board, flex cables or chassis. Post-replacement clients get real capacity, stable fast charging and no overheating. Many return due to material quality and process transparency. Additional services include laptop repair, PC repair, phone repair, TV repair, coffee machine repair, charging station repair, robot vacuum repair. Reviews — here.
Address: Khmelnytskyi, Panasa Myrnoho str., 31/3
Schedule: Mon–Sun 11:00–20:00
Phone: +380 97 719 4430
Telegram: Telegram
Easy from anywhere in Ukraine
Not in Khmelnytskyi? Ship your phone via Nova Poshta. After battery replacement, the device returns with full runtime and stable performance. Details on the Nova Poshta delivery page.
