Automobile-used lithium ion battery

The utility model relates to an automobile-used lithium ion battery. At present, no automobile-used lithium ion batteries with good conductivity and capable of preventing displacement is available. The automobile-used lithium ion battery provided by the utility model comprises a battery cell unit and a pinboard, and is characterized by further comprising a left half housing, a right half housing, a left conductive stripe, a right conductive stripe, a left terminal connector and a right terminal connector, wherein the battery cell unit and the pinboard are located in a housing formed by the left and right half housings; the left conductive stripe is fixedly arranged at the top of the left half housing, a left terminal connector reserving groove is formed in the left half housing, the left terminal connector is connected through the left terminal connector reserving groove, and the upper part of the left terminal connector is fixedly arranged on the left conductive stripe; a right terminal connector reserving groove is formed in the right half housing, and the right terminal connector is connected through the right terminal connector reserving groove; the upper part of the right terminal connector is fixedly arranged on the right conductive stripe; displacement-preventing structures are arranged on the left and right half housings. The automobile-used lithium ion battery provided by the utility model is good in conductive property and convenient to assemble and prevents displacement.