The BYD M6 has a battery package that should suit buyers who can charge regularly. The listed battery information includes 2026 530km Extended: 71.8 kWh; 2026 420km Standard: 55.4 kWh; 2025 530km Extended: 71.8 kWh; 2025 420km Standard: 55.4 kWh; 2026 530km Extended: LFP battery; 3 more variants. A larger battery generally gives more breathing room between charges, which makes EV ownership easier for commuting, school runs and weekend errands.