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What is the difference between hybrid and plug-in hybrid?

2 Answers
DeHector
07/24/25 12:10pm
The difference between hybrid and plug-in hybrid lies in the charging method: hybrid vehicles do not require external charging, as they recharge the power battery through kinetic energy recovery during braking or via a generator; plug-in hybrids need external charging after the power battery is depleted following pure electric mode driving. Types of hybrid vehicles include: 1. Micro hybrid; 2. Mild hybrid; 3. Moderate hybrid; 4. Full hybrid. Types of plug-in hybrid vehicles include: 1. Series plug-in hybrid; 2. Parallel plug-in hybrid; 3. Power-split plug-in hybrid.
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LeSienna
08/11/25 6:18am
Hybrid and plug-in hybrid are two completely different technical routes. Hybrids like the Toyota Camry Hybrid I drive have a small battery charged by the engine, requiring no plug-in convenience but offering very limited pure electric range. Plug-in hybrids such as BYD's DM-i need charging stations for energy replenishment, featuring much larger batteries capable of over 100 km pure electric range, making short trips truly cost-effective. The key differences lie in battery capacity and energy replenishment: hybrids have around 2 kWh batteries, while plug-in hybrids start from at least 18 kWh. The ability to charge externally grants plug-in hybrids policy advantages—they qualified for green plates and tax exemptions earlier, driving more like electric vehicles. However, plug-in hybrids' complex systems require maintenance checks on both systems, with higher battery replacement costs.
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