what can shorten your battery life
The same battery would cease after 2Â½ years if kept at a constant desert temperature of 41Â°C (106Â°F). Once the battery is damaged by heat, the capacity cannot be restored. The life of a battery also depends on the activity and is shortened if the battery is stressed with frequent discharge. According to the 2010 BCI Failure Mode Study, starter batteries have become more heat-resistant.