A connector for electrically coupling a PP3 battery with a battery-powered device, the connector comprising: a first dual-contact assembly including a positive contact configured to contact a cylindrical structure of a positive PP3 terminal of the PP3 battery and a negative contact configured to contact a cylindrical structure of a negative PP3 terminal of the PP3 battery; and a second dual-contact assembly including a positive contact configured to contact the cylindrical structure of the positive PP3 terminal of the PP3 battery and a negative contact configured to contact the cylindrical structure of the negative PP3 terminal of the PP3 battery; and for each of the first dual-contact assembly and the second dual-contact assembly, an insulator (62, 64) for electrically insulating the positive contact (44, 54) of the dual-contact assembly (42, 52) from the negative contact (46, 56) of the dual-contact assembly (42, 52), wherein for each of the first dual-contact assembly and the second dual-contact assembly, the negative contact (46, 56) of the dual-contact assembly (42, 52) is cylindrical and configured so that the negative PP3 terminal of the PP3 battery can be received within and at least partially surrounded by the negative contact (46,56) of the dual- contact assembly (42, 52), and the negative contact (46,56) of the dual-contact assembly (42, 52) is sized and configured to cause resiliently-biased engagement with an outer portion of the negative PP3 terminal of the PP3 battery, the positive contact (44,54) being configured to be insulated from the negative PP3 terminal of the PP3 battery; and for each of the first dual-contact assembly and the second dual-contact assembly, the positive contact (44,54) of the dual-contact assembly (42, 52) is cylindrical and configured so that the positive contact (44,54) of the dual-contact assembly (42, 52) is received within and at least partially surrounded by the positive PP3 terminal of the PP3 battery; and the positive contact (44,54) of the dual-contact assembly (42, 52) is sized and configured to cause resiliently-biased engagement with an inner portion of the positive PP3 terminal of the PP3 battery, the negative contact (46,56) being configured to be insulated from the positive PP3 terminal of the PP3 battery; such that regardless of which orientation the battery is being placed in, appropriate electrical connectivity is being established between the battery and said battery-powered device. a first dual-contact assembly including a positive contact configured to contact a cylindrical structure of a positive PP3 terminal of the PP3 battery and a negative contact configured to contact a cylindrical structure of a negative PP3 terminal of the PP3 battery; and a second dual-contact assembly including a positive contact configured to contact the cylindrical structure of the positive PP3 terminal of the PP3 battery and a negative contact configured to contact the cylindrical structure of the negative PP3 terminal of the PP3 battery; and for each of the first dual-contact assembly and the second dual-contact assembly, an insulator (62, 64) for electrically insulating the positive contact (44, 54) of the dual-contact assembly (42, 52) from the negative contact (46, 56) of the dual-contact assembly (42, 52), wherein