Soft package lithium battery

The soft package lithium battery provided by the utility model comprises a battery main body, a shell wrapping the battery main body and a tab assembly, the tab assembly comprises a tab, tab glue anda protection plate, the tab is connected to one side of the battery main body, the tab glue is arranged at the interface of the tab and the battery main body and surrounds the tab, and the protectionplate is arranged at the interface of the tab and the battery main body. Wherein the protection plate is fixedly connected with the tab, the tab is reversely bent, one side, close to the tab assembly,of the shell covering one main side surface of the battery main body extends in the tab extension direction to form an extension part, and the extension part is reversely bent and then extends to theother main side surface of the battery main body to be fixed. And the tab assembly is wrapped by the extension part. According to the soft package lithium battery provided by the utility model, the shell material can replace pa