Yes, technically you can stay in the car while charging an EV in the UAE, as the charging process is designed with safety isolation. However, for optimal charging efficiency, vehicle longevity, and personal comfort—especially in our extreme climate—it is generally better to step out for short charging sessions at public stations. The primary concern is the significant draw from using the air conditioning at full blast, which can slow down the effective charging rate, increase the cost per session, and generate additional heat in the cabin and around the charge port area. According to RTA Dubai's guidelines on EV best practices and MOI UAE's general safety advisories, it is recommended to avoid occupying the vehicle during high-power DC fast charging for safety and operational efficiency. Here’s a practical breakdown for common UAE scenarios:
| Charging Scenario | Recommended Action | Primary Reason (UAE Context) |
|---|
| DC Fast Charger (e.g., DEWA, ADNOC) | Step out of the vehicle. | Minimizes thermal load in 45°C+ heat, ensures fastest possible charge time. |
| AC Public Charger (Mall, workplace) | Can stay in for short top-ups, but avoid prolonged AC use. | Slower AC charging is less impacted, but cabin cooling still consumes energy meant for the battery. |
| Home Overnight Charging (AC Wallbox) | Safe to remain inside if needed. | Low power draw over many hours minimizes impact; comfort is a priority at home. |
Key data points for UAE drivers:
- Using the AC on a typical 30-minute DC fast-charge session for a vehicle like the MG ZS EV or Tesla Model 3 can reduce the net charge added by 15-20%, extending your wait.
- Financially, if a 50 kW fast charge costs 0.35 AED/kWh, and the AC uses 3-4 kW, you're effectively paying an extra 1-1.4 AED for cabin cooling during that session instead of putting that energy into range.
- From a total cost of ownership (TCO) perspective, frequent concurrent high-load discharging (AC) and charging can contribute to long-term battery degradation, affecting the car's resale value—a key consideration for the GCC-spec used car market.
