Control method of battery parallel system and battery parallel system

The embodiment of the invention provides a control method of a battery parallel system, the method is applied to the battery parallel system, and the battery parallel system comprises at least one battery, wherein each battery in the at least one battery comprises an enable detection circuit and a charger detection circuit; the method comprises the steps that for each battery, the working state ofthe battery is determined based on the condition of a first signal detected by an enable detection circuit in the battery and the condition of a second signal detected by a charger detection circuitin the battery, and the working state is one of a non-working mode, a charging mode and a discharging mode. 本申请实施例提供了一种电池并联系统的控制方法，所述方法应用于电池并联系统，所述电池并联系统包括：至少一个电池；所述至少一个电池中的每个电池包括：使能检测电路以及充电器检测电路；所述方法包括：针对所述每个电池，基于该电池中的使能检测电路检测到的第一信号的情况以及该电池中的充电器检测电路检测到的第二信号的情况，确定该电池的工作状态，其中，所述工作状态为以下之一：非工作模式、充电模式、放电模式。