Mobile EV Battery Replacement
Specialist 12V & HV Diagnostics | Greater London Mobile
Emergency Dispatch
07779 836677Technical Advice
07448 45724712V Auxiliary Systems
When an EV won't start, the 12V battery is usually the culprit. We stock specialist AGM and Lithium 12V batteries for Tesla, Hyundai, and Kia, providing on-site fitting and coding.
- On-site Fitting
- Tesla 12V Specialist
- AGM & Li-ion Stock
- Emergency Jump-start
BMS Registration
Modern EVs require the Battery Management System to be notified of a new battery to adjust charging profiles. We perform full digital registration to prevent premature battery failure.
- ECU Coding
- Battery Adaptation
- Counter Resets
- Software Sync
High-Voltage SOH
Concerned about range loss? We provide mobile State of Health (SOH) reports for high-voltage traction batteries, identifying weak cells and verifying cooling system efficiency.
- SOH Reporting
- Cell Voltage Audit
- Thermal Analysis
- Degradation Data
Charging Circuitry
If the 12V battery isn't being replenished by the main HV pack, the DC-DC converter may be at fault. We diagnose the link between high and low voltage systems mobile.
- DC-DC Converter Test
- Parasitic Draw Diag
- HV Interlock Check
- Fuse & Relay Audit