Power device

The invention discloses a power device, which comprises a power supply module and a charging module, wherein the power supply module comprises a first to an N-th battery packs which are connected with each other in parallel, cathodes from the first to the N-th battery packs are connected to be used as a power supply cathode of the power device, anodes from the first to the N-th battery packs are connected to be used as power supply anode of the power device, the N is a positive integer which is not smaller than 1, the charging module comprises a charging control circuit group, the charging circuit group comprises N control circuits which are respectively connected with the first to the N battery packs, and are used to respectively control the size of charging current of the first to the N-th battery packs, the output ends of the control circuits, the cathodes and the anodes of the battery packs are respectively connected to form a charging circuit, and input ends of the control circuits are connected with a charging interface of the power device. The power device uses the control circuits in a charging control circuit group to independently changer for each circuit of battery packs, can achieve rapid power supply for each circuit of battery packs, and can improve charging safety.