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Lithium iron phosphate (LiFePO₄) batteries are known for their durability, long life cycles, and high stability. Generally, their life expectancy can range from 5 to 15 years depending on factors like usage, temperature conditions, and maintenance. LiFePO₄ batteries can last 2,000 to 5,000 charge-discharge cycles (some high-quality models can go up to 10,000 cycles). In practical terms, a battery that goes through one full cycle each day could last 5 to 15 years before significant capacity loss, depending on the depth of discharge.
A lower depth of discharge can prolong the battery’s life. For example, using only 80% of the battery's capacity instead of 100% can significantly increase the cycle count and extend life expectancy. LiFePO₄ batteries are quite stable in a wide range of temperatures, but operating within the optimal range (typically 15-35