Singapore’s sweltering heat and relentless humidity don’t just make daily commutes uncomfortable—they also have a direct impact on electric vehicle (EV) performance. From battery efficiency to range loss, hot climates pose unique challenges for EV owners. But don’t worry; there are ways to mitigate these effects and ensure your EV runs smoothly in Singapore’s tropical conditions.
How Does Temperature Affect EV Battery Performance?
Optimal Operating Conditions
EVs, particularly those using lithium-ion batteries, perform best at temperatures between 25°C and 30°C. While Singapore’s climate hovers around this range, it often exceeds 30°C, especially during midday. When temperatures rise, EV batteries face several key issues:
Reduced Range: High temperatures can cause EVs to lose up to 15% of their range when temperatures hit 35°C or higher. This happens due to increased resistance in the battery and additional power required for air conditioning.
Battery Overheating: Lithium-ion batteries generate heat during operation. In extreme conditions, they may overheat, reducing efficiency and lifespan. Unlike combustion engines that dissipate heat through exhaust, EVs rely on cooling systems that can struggle in hot climates.
Slower Charging Speeds: Heat affects charging efficiency. Many EVs automatically slow down charging to protect the battery when temperatures are too high, making rapid charging less effective.
How Humidity Plays a Role
While humidity doesn’t impact batteries directly, it can still influence EV performance in Singapore:
Increased Tire Wear: Moisture in the air makes roads slick, leading to increased rolling resistance and energy consumption.
Electronic Component Wear: High humidity can accelerate corrosion in sensitive electrical components, affecting performance over time.
Cabin Comfort Challenges: Running air conditioning in humid conditions puts extra strain on the battery, leading to faster energy depletion.
What Can You Do to Protect Your EV in Hot Weather?
To counter the effects of Singapore’s climate, consider these practical strategies:
1. Park Smartly
Always park in shaded areas or covered parking lots to keep battery temperatures in check.
Consider using a sunshade to reduce interior heat buildup.
2. Charge Strategically
Avoid charging during peak heat hours (typically noon to 3 PM). Instead, charge in the early morning or late evening.
If using a DC fast charger, be aware that your EV may throttle charging speed to prevent overheating.
3. Optimize Driving Habits
Drive smoothly to minimize energy waste. Harsh acceleration generates excess heat and reduces efficiency.
Use regenerative braking wisely to improve energy retention and reduce strain on the battery.
Keep tires properly inflated to reduce rolling resistance and improve mileage.
4. Use Air Conditioning Wisely
Set the AC to a moderate temperature rather than full blast.
Pre-cool your car while still plugged in to reduce battery drain during the drive.
5. Maintain Your EV Regularly
Ensure battery cooling systems are functioning properly.
Regularly check tire pressure and alignment to maximize efficiency.
Keep electronic components dry and well-maintained to prevent humidity damage.
How Does EV Leasing Help Overcome Climate Challenges?
Instead of dealing with climate-related wear and tear on your own EV, why not consider leasing an electric vehicle from EVFY? We offer a range of high-performance electric vans and trucks, designed for Singapore's challenging weather and business needs.
EV Leasing Options from EVFY
1. BYD T3
Perfect for zero-emission, cost-effective deliveries, the BYD T3 is fully electric with fast charging and a spacious cargo area.
Max Payload: 780 kg
Cargo Volume: 3800 L
Range: Up to 300 km
Charge Time: AC 7.6h / DC 1.3h
2. DFSK EC35
For businesses needing more cargo space and longer range, the DFSK EC35 is a solid choice.
Max Payload: 1100 kg
Cargo Volume: 4800 L
Range: Up to 331 km
Charge Time: AC 5.9h / DC 1.0h
3. Golden Dragon XML5036
Built for heavy-duty deliveries, the Golden Dragon XML5036 provides expansive cargo space and high payload capacity.
Max Payload: 1730 kg
Cargo Volume: 6500 L
Range: Up to 250 km
Charge Time: AC 7.6h / DC 1.3h
4. DFSK EC31
Designed for tight urban areas, this compact electric truck balances maneuverability with substantial load capacity.
Max Payload: 1280 kg
Cargo Volume: 3500 L
Range: Up to 280 km
Charge Time: AC 5.9h / DC 1.0h
5. SRM T3
For businesses needing a tough, long-range EV, the SRM T3 provides high payload capacity while maintaining efficiency.
Max Payload: 1625 kg
Cargo Volume: 3500 L
Range: Up to 300 km
Charge Time: AC 8.1h / DC 1.3h
Ready to Future-Proof Your Fleet?
Singapore’s climate presents challenges for EVs, but the right vehicle and smart driving habits make all the difference. By leasing an EV from EVFY, you get top-tier electric vehicles designed for Singapore's conditions, without worrying about long-term maintenance or battery degradation.
Let’s move towards zero-emission efficiency while keeping operational costs low. Get in touch with us today and drive the future of sustainable mobility!