Battery open circuit protection device

The utility model discloses a battery open circuit protection device which comprises a diode, the cathode of the diode is used for being connected with the anode of a battery, and the anode of the diode is connected with the cathode of the battery. The radiator comprises an anode radiator and a cathode radiator and is used for radiating the diode; the battery open-circuit protection device is connected to a single battery in parallel, the battery open-circuit protection device is started when the battery is open-circuited or the capacity of the battery becomes empty, and the current to pass through the battery is bypassed, so that the whole battery pack is ensured to continuously discharge to the outside, no-delay follow current can be realized without control, and the reliability of the whole battery pack is improved. 本实用新型公开了一种电池开路保护装置，本实用新型通过所述电池开路保护装置包括二极管，所述二极管的阴极用于与电池的正极连接，所述二极管的阳极与所述电池的负极连接；以及散热器，所述散热器包括阳极散热器和阴极散热器，用于为所述二极管散热；将所述电池开路保护装置并接在单只电池上，当该电池开路或容量变空时启动，把要通过该电池的电流进行旁路，保证整个电池组继续对外放电，无须控制即可实现无延时续流