A chargeable gunsight bracket and a gunsight having the same are provided. The gunsight bracket includes a bracket body, a chargeable battery, and a power supply circuit board electrically connected to the chargeable battery. A bottom of the bracket body is provided with a groove, and the bracket body is further provided with a battery holder and a charging interface. The power supply circuit board and the chargeable battery are both mounted in the battery holder, two ends of the charging interface are respectively connected to the power supply circuit board and external environment. The chargeable gunsight bracket is fixedly mounted on a gun through the groove, and the chargeable battery is mounted in the battery holder. When power of the chargeable bracket is running out, the external power supply can directly charge the chargeable battery through the charging interface, so that the gunsight can be used continuously.