Impact of temperature on cycle life of globe ISOA EV-3000 lead-acid batteries

The results of testing to assess the impact of temperature on cycle life of Globe improved state-of-the-art (ISOA) EV-3000 lead-acid batteries are presented. The tests were conducted over the temperature range of 15 to 52 C for a fixed Ah discharge that was independent of temperature (as would be the case of an electric vehicle with a fixed mission that did not vary with temperature). The results indicate that low-temperature (15 C) and high-temperature (52 C) cycle life of an ISOA lead-acid battery is significantly reduced when operated at a capacity equivalent to 80% of its available room temperature capacity. The temperature for the highest cycle life appears to be in the range of 30 C to 44 C.