The Mercedes-Benz EQV has a battery package that should suit buyers who can charge regularly. The listed battery information includes 2025 EQV 300 Avantgarde: 90 kWh; 2025 EQV 300 Avantgarde: Li-ion battery. A larger battery generally gives more breathing room between charges, which makes EV ownership easier for commuting, school runs and weekend errands.