Heat is a major cause of degraded and short-lived batteries. In fact, temperatures above 30 degrees Celsius cause the chemical bonds between the lithium ions to deteriorate quickly and break, thus limiting the battery’s charging capacity. The production of heat, however, is also one of the “secondary effects” of recharging the batteries: in short, the longer the batteries are recharged, the more one runs the risk of reducing their life expectancy. for three months above 40 degrees centigrade – just to give an example – it is calculated that it will lose about 35% of its storage capacity (and autonomy, consequently).
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