NOVELTY - A circuit protection device is formed from two electrodes and a resistive element composed of a positive temperature coefficient (PTC) conductive polymer composition. The composition contains ethylene/vinyl acetate copolymer having a vinyl acetate component of less than 30 wt.% and a melting point of at most 105degreesC.    USE - In protecting batteries e.g. rechargeable used with electrical equipment such as cameras, video recorders, tools, portable computers, personal data assistants and cellular phones.    ADVANTAGE - The device protects the battery against both over temperature and overcurrent conditions. The device has a low resistance, low switching temperature and a PTC anamoly of 103.5 or greater. The device provides improved protection of batteries, causes minimal distortion of signals and loss of battery capacity without decreasing in current-carrying capacity under operating conditions.    DETAILED DESCRIPTION - A circuit protection device (1) comprises: A) a resistive element (3) composed of a PTC conductive polymer composition (5) and B) two electrodes (7,9). (5) comprises a) a polymer component comprising an ethylene/vinyl acetate copolymer having less than 30 wt.% of the acetate and melting point (Tm) of at most 105degreesC and b) dispersed a particulate conductive filler in the polymer component. (7,9) are attached to (3) and can be connected to a source of electrical power. (1) has a resistive element thickness of 0.025 - 0.25 mm, a crosslinking level equivalent to 1 - 20 Mrads, a surface area of at most 120 mm2, resistance at 20degreesC (R20) of at most 0.050 ohm and a PTC anomaly from 20degreesC - (Tm+5degreesC) of at least 103.5. An INDEPENDENT CLAIM is also included for an assembly comprising a battery and a circuit protection device, which is in electrical contact with the battery.    DESCRIPTION OF DRAWING(S) - The figure represents a cross-sectional view of circuit protection device.    resistive element (3)    PTC conductive polymer composition (5)    first and second metal electrodes (7,9)    first and second metal leads. (11,13)