Composite charging cradle for rechargeable battery

The present invention provides a composite charging cradle for charging rechargeable batteries of several different specifications to solve the problem of confusion between the specifications of rechargeable batteries. The charging cradle includes a cradle body and a circuit board disposed in the cradle body. The cradle body has a plurality of insertion slots for inserting rechargeable batteries of different specifications therein, and each of the insertion slots is provided therein with at least one set of terminals for outputting power; the circuit board is disposed in the foregoing cradle body, including a plurality of power input ports of different specifications exposed out of the cradle body, and an integrated unit for integrating all the foregoing power input ports; the integrated unit is electrically connected with each set of terminals such that rechargeable batteries and plug adapters of several different specifications can be charged according to the present invention.