Extension cable type lithium-ion storage battery pack used for space

The invention discloses an extension cable type lithium-ion storage battery pack used for space. The storage battery comprises a plurality of storage battery monomers, a left end plate, a right end plate, a plurality of line cards, a plurality of electric connectors and a plurality of cables, wherein the left end plate and the right end plate are arranged on two ends of the storage battery pack; the plurality of line cards are arranged on the left end plate or the right end plate; one end of each cable is connected with each storage battery monomer and is fixed on the left end plate or the right end plate through the line card, and the other end of each cable is connected with each electric connector; and each electric connector is in general butt joint with a spacecraft. The structure ofthe extension cable type lithium-ion storage battery pack used for the space shows convenient and efficient integral design, and the beneficial effects that a great quantity of space of the spacecraftis saved, mechanical prop