There are several steps you can take to prolong the life of Lifepo4 batteries, including the following:
- Store the batteries properly: Lifepo4 batteries should be stored in a cool, dry place at a temperature of around 15-20 degrees Celsius (60-68 degrees Fahrenheit). Avoid storing the batteries in extreme temperatures, as this can damage the cells and reduce their lifespan.
- Charge and discharge the batteries properly: Lifepo4 batteries should be charged and discharged within the recommended voltage range to ensure optimal performance and longevity. Overcharging or deep discharging the batteries can damage the cells and reduce their lifespan.
- Avoid exposing the batteries to high temperatures: Lifepo4 batteries are sensitive to high temperatures and can degrade quickly when exposed to them. Avoid exposing the batteries to high temperatures, such as by keeping them out of direct sunlight or away from heat sources.
- Use a battery management system (BMS): A BMS can help to optimize the charging and discharging of Lifepo4 batteries, protecting them from overcharging, deep discharging, and other factors that can damage the cells and reduce their lifespan.
By following these steps, you can help to prolong the life of your Lifepo4 batteries and ensure they perform at their best for as long as possible.
Bloating
Lifepo4 batteries, like all lithium-ion batteries, can expand or “bloat” when they are overcharged or charged too quickly. The specific voltage at which this can occur will depend on the specific chemistry and construction of the battery, as well as the charging conditions and other factors. In general, however, it is important to avoid overcharging Lifepo4 batteries and to charge them at a slow, steady rate to prevent bloating and other damage to the cells. Most Lifepo4 batteries are designed to be charged to a maximum voltage of around 3.65-3.7 volts per cell, and charging them above this level can cause bloating and other damage to the cells. It is important to refer to the manufacturer’s instructions for the specific charging voltage and charging rate for your Lifepo4 batteries.
REAL WORLD Cycle life
Good quality Lifepo4 cells should achieve about 2,000 deep discharge/charge cycles, averaging 1 cycle per day would allow for 5.5 years of use before a noticeable loss of capacity.
Shallow cycles are the best way to extend the lifespan, which means not going below about 30% of the remaining capacity. And not above 90% SOC. For use in residential and commercial purposes, We at LIFEPO4 Australia would recommend sizing and using your battery within these parameters.
10,000 shallow discharge/charge cycles would last around 13+ years.
