An electrical system comprising a first battery module, a second battery module and a power terminal connector, the power terminal connector comprising: a flexible conductor having a first mounting portion, a second mounting portion and a flexible section between the first and second mounting portions, the first mounting portion being terminated to a power terminal of the first battery module; a female terminal coupled to the second mounting portion, the female terminal is a quick connect type connector that enables coupling to the power terminal of the second battery module without the use of any tools, the female terminal comprising: a terminal body having a receptacle configured to receive and receiving a power terminal of the second battery module, the terminal body being separately provided from and coupled to the second mounting portion to mechanically and electrically connect the terminal body to the flexible conductor, the terminal body having an open front end open to the receptacle and configured to receive the power terminal of the second battery module therethrough; a contact spring is received in the receptacle and is electrically connected to the terminal body, the contact spring having spring beams defining interfaces for the power terminal of the second battery module to create a power path to the power terminal of the second battery module; characterised in that the first mounting portion of the flexible conductor is terminated directly to and welded directly to the power terminal of the first battery module and the female terminal is a quick disconnect type connector. a flexible conductor having a first mounting portion, a second mounting portion and a flexible section between the first and second mounting portions, the first mounting portion being terminated to a power terminal of the first battery module; a female terminal coupled to the second mounting portion, the female terminal is a quick connect type connector that enables coupling to the power terminal of the second battery module without the use of any tools, the female terminal comprising: a terminal body having a receptacle configured to receive and receiving a power terminal of the second battery module, the terminal body being separately provided from and coupled to the second mounting portion to mechanically and electrically connect the terminal body to the flexible conductor, the terminal body having an open front end open to the receptacle and configured to receive the power terminal of the second battery module therethrough; a contact spring is received in the receptacle and is electrically connected to the terminal body, the contact spring having spring beams defining interfaces for the power terminal of the second battery module to create a power path to the power terminal of the second battery module; characterised in that the first mounting portion of the flexible conductor is terminated directly to and welded directly to the power terminal of the first battery module and the female terminal is a quick disconnect type connector. a terminal body having a receptacle configured to receive and receiving a power terminal of the second battery module, the terminal body being separately provided from and coupled to the second mounting portion to mechanically and electrically connect the terminal body to the flexible conductor, the terminal body having an open front end open to the receptacle and configured to receive the power terminal of the second battery module therethrough; a contact spring is received in the receptacle and is electrically connected to the terminal body, the contact spring having spring beams defining interfaces for the power terminal of the second battery module to create a power path to the power terminal of the second battery module; characterised in that the first mounting portion of the flexible conductor is terminated directly to and welded directly to the power terminal of the first battery module and the female terminal is a quick disconnect type connector.