| 摘要 |
PURPOSE: A device for extending the lifespan of a battery for an electric vehicle is provided to extend the lifespan of the battery by charging the battery only when the battery is completely discharged. CONSTITUTION: A battery is divided into a plurality of battery blocks. The plurality of battery blocks is successively discharged. The completely discharge battery block is charged by a charge control device. A power supply control device includes a common ground device(460) and an indicator. The common ground device moves clockwise to change the battery blocks in order. The indicator with a clock hand shape shows the currently discharged battery block. |
