CYLINDRICAL LITHIUM BATTERY HAVING A POSITIVE POLE AND A NEGATIVE POLE AT THE SAME END

A cylindrical lithium battery having a positive pole and a negative pole at the same end, including a shell, a core in the shell, a cover and a recharging protection assembly mounted on top of the positive pole of the core, and is covered and fixed by the cover; the recharging protection assembly has an upper frame, a recharging protection panel, a lower frame, a positive pole nickel plate and a negative pole nickel plate; the recharging protection panel is disposed on the lower frame; a top surface of the recharging protection panel is welded with a gold-plated copper cap; one side of the recharging protection panel is provided with a USB charging port.