Smart charging is an umbrella term that defines all technologies that can control when 和 how quickly vehicles charge their batteries or discharge their energy back to the private or public network they’re connected to. 车辆并网(Vehicle to grid, V2G)充电技术可以让参与的用户将自己的电动汽车电池储存电能并将其放电回国家电网，从而节省或赚钱, 或者他们自己的建筑, when it’s most needed – for instance at peak dem和 during the day when usage 和 costs across the UK are at their highest. 通过这种方式，V2G还增加了电动汽车在减少碳排放方面已经具有的积极影响, 通过支持将可再生能源引入电网.