[Full Guide] How Long Do Lithium Batteries Last?
💡 Pro Tip: When properly used and maintained, lithium batteries can last 2–3 times longer than other rechargeable battery types. Lithium batteries are
The storage capacity of lithium (LFP) battery systems is typically measured in kWh (Kilowatt hours), while the most common metric used to determine battery lifespan is the number of charge cycles until a certain amount of energy is lost. This generally ranges from 3000 to 5000 cycles over a battery life of 10 to 15 years.
The cycle life of a lithium-ion battery refers to the number of charge and discharge cycles it can undergo before its capacity declines to a specified percentage of its original capacity, often set at 80%.
When the temperature range is from 35°C~40°C for LFP, the calendar life is 5-6 years. But over 45°C, the calendar life will be shortened to 1-2 years. Different cathode materials have varying calendar life properties. For example, lithium iron phosphate (LFP) batteries often have a longer calendar life than nickel-rich chemistries.
The usage of a lithium battery can impact its lifespan. Batteries subjected to heavy or continuous use may degrade faster than those used intermittently or with lighter loads. High current draws or rapid discharge rates can also contribute to degradation. 5. Quality of Battery Management System (BMS)
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