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July 18, 2025 (Shenzhen) – BYD has revealed patent CN120327289A for a breakthrough dual-battery system that could redefine EV capabilities.
The design features:
Smart transfer module that automatically balances energy between packs
High-density battery for maximum energy storage (extended range)
High-power battery for instant performance (acceleration/towing)
Source: http://epub.cnipa.gov.cn/Dxb/IndexQuery
EDITOR’S NOTE
If successfully implemented, this could allow EVs to simultaneously achieve both:
- Longer range (via the high-energy battery)
- Stronger performance (via the high-power battery)
Current EV designs typically force a compromise—prioritizing either range or power (e.g., long-range sedans with modest acceleration vs. high-performance models with limited range).
