The utility model discloses a cover, including the lid, run through the utmost point post hole of lid, still including getting electric subassembly, seting up and offer up a sacrifice the holding chamber of getting electric subassembly holding in the lid, get electric subassembly including getting electric part and conductive parts, get electric part for having most advanced electrically conducted stereoplasm clavule, conductive parts is for having the connecting hole that supplies the connecting wire to connect, the electric conductor that supplies to get the mounting hole of electric fitting up, it is perpendicular roughly with utmost point post hole orientation that holding chamber one side has opening and opening orientation, and just to the open -ended lateral wall near post hole extremely. The utility model also discloses a battery, including utmost point post, still include foretell cover, it is downthehole that cover's utmost point post is arranged in to utmost point post, cover get electric part with the utmost point support connnection.