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Abstract
To increase the distance run of electric cars, the world's study focuses on the influence of temperature, current, and voltage. This paper studies the influence of temperature on the discharge time of lead-acid batteries in electric cars. The model of a battery cell is composed of two branches. The main branch describes the main operation of the battery, the parasitic branch describes the reaction of the battery at the time of high battery voltage. Simulation model will evaluate the relationship between temperature, discharge current, battery capacity, voltage. The simulation results show the relationship of the temperature and battery currents with the discharge time, indicating that the temperature range of the battery’s discharge time reached the highest value of 40-50⁰C.