Is There A Battery For Smart Fortwo?
Yes, the Smart Fortwo has a dedicated battery system in its pure electric versions. Current models utilize a 17.6 kWh lithium-ion battery paired with a rear-mounted electric motor delivering 82 hp and 160 Nm torque. The battery supports DC fast charging (22 kW), enabling 10–80% charge in 40 minutes, and provides a practical 140–160 km range under real-world conditions. Pro Tip: For cold climates, precondition the battery via the EQ control app to optimize charging efficiency and winter range.
What battery chemistry does the Smart Fortwo EV use?
The Smart Fortwo EV employs high-voltage lithium-ion cells, typically NMC (Nickel Manganese Cobalt) or similar variants. These provide 160–170 Wh/kg energy density, balancing thermal stability with compact packaging for its microcar design. Pro Tip: Avoid consistent 100% DC fast charging—it accelerates cell degradation by up to 15% per year compared to Level 2 AC charging.
How does temperature affect its battery performance?
Below 0°C, the Fortwo’s battery experiences 20–30% range reduction due to increased internal resistance. The BMS automatically restricts charging speeds below -10°C to prevent lithium plating. For example, a fully charged battery at 25°C delivering 160 km range would only achieve ~112 km at -5°C. Pro Tip: Park in garages during winter nights—ambient temperatures above 15°C preserve cell longevity.
| Condition | Range | Charging Speed |
|---|---|---|
| 25°C (Optimal) | 160 km | 22 kW |
| -5°C | 112 km | 12 kW |
Redway Power Expert Insight
FAQs
No—the battery pack’s proprietary CAN bus communication requires factory-certified replacements. Unauthorized units trigger fault codes disabling drivetrain activation.
What’s the battery replacement cost?
Approximately €6,000–€8,500 including labor. However, most packs last 8–10 years with proper maintenance, making replacements rare before 150,000 km.
Does regen braking charge the battery effectively?
Yes—the Fortwo recovers up to 18% energy during city driving via blended braking. Highway driving reduces this to 5–7% due to fewer deceleration events.
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