⚡ EV On‑Board Charger (OBC) Testing Manchester
Diagnose Slow Charging, Charging Failures & AC Charging Faults Across Greater Manchester
The On‑Board Charger Is the Heart of Your EV’s AC Charging System
When you plug an EV into a home charger, workplace charger or public AC post, the on‑board charger (OBC) converts AC power into DC to charge the high‑voltage battery.
If the OBC is weak, damaged or unstable, you may experience:
- Slow AC charging
- Charging stopping early
- “Charging Fault” warnings
- Overheating during charging
- Poor charge acceptance
- Reduced range
- Complete failure to charge
Our EV on‑board charger testing service in Manchester accurately diagnoses OBC faults before they become expensive repairs.
🔋 What EV On‑Board Charger Testing Includes
- AC charging performance test — confirm correct charge rate (kW)
- Charge acceptance correlation — detect battery‑related charging issues
- Thermal behaviour monitoring — identify overheating OBC units
- Internal resistance correlation — detect cell‑related charging stress
- Voltage stability correlation — confirm stable charging voltage
- HV isolation test — detect moisture or insulation faults
- DC‑DC converter behaviour — ensure correct 12V support during charging
- Full EV system scan — read OBC‑related fault codes
This is the most complete OBC diagnostic available in Greater Manchester.
📍 Areas We Cover in Greater Manchester
- Manchester
- Salford
- Stockport
- Bolton
- Bury
- Oldham
- Rochdale
- Wigan
- Trafford
- Tameside
- Prestwich
- Eccles
- Stretford
- Middleton
- All surrounding areas
🚨 Signs Your EV Has an On‑Board Charger Fault
- Slow AC charging
- Charging stops early
- EV won’t charge at home
- Overheating during charging
- “Charging Fault” or “Service Charging System”
- SOC rising very slowly
- Public AC chargers failing to start
- Range dropping faster than normal
OBC faults can be expensive — early diagnosis saves money.
🚗 EV Models We Test
- Nissan Leaf
- Tesla
- Kia/Hyundai EV
- BMW i3/i4/iX
- VW ID Series
- Renault Zoe
- MG EV
⭐ Why Choose Us for EV On‑Board Charger Testing?
- Manchester’s EV charging specialists
- Dealer‑level OBC diagnostic equipment
- Accurate AC charging performance analysis
- Mobile testing at your home or workplace
- Independent, unbiased advice
- Transparent pricing
- HV‑trained technicians
📞 Book EV On‑Board Charger Testing
Fast, professional EV charging diagnostics across Greater Manchester.