Patent ID: 8928273
Filing Date: 2015-01-06
Classification: B60L,H02J,Y02T

Abstract:
1. A display device for displaying information of a rechargeable battery of an electric vehicle on an external charging device, comprising: a battery capacity unit, for detecting charging state of the rechargeable battery; a lifetime unit, for detecting lifetime of the rechargeable battery; an information collecting unit, for determining cycle count and health state of the rechargeable battery; a processor for confirming identification of the rechargeable battery to determine ownership of the rechargeable battery, wherein the rechargeable battery is charged only when confirmation is positive; and a display unit, connected to the battery capacity unit, lifetime unit and information collecting unit, for displaying the charging state, lifetime, cycle count and health state of the rechargeable battery on the external charging device outside of the rechargeable battery such that information of the rechargeable battery is shown on the external charging device while electrically connected to the rechargeable battery.