Best lithium-ion battery storage temperature: -20°C to 25°C (-4°F to 77°F), stored at 30%–50% state of charge (SOC). However, charging is safest between 0°C to 45°C. . Homeowners should consider factors like local climate, seasonal variations, and regional temperature trends when planning battery installations. This range ensures consistent. . As energy storage adoption continues to grow in the US one big factor must be considered when providing property owners with the performance capabilities of solar panels, inverters, and the batteries that are coupled with them. Extreme temperatures can lead to decreased efficiency, 3. . While businesses often focus on capacity, efficiency, and installation, it is the subtle rise or fall of degrees that can shorten the lifespan of lithium-ion batteries and compromise solar battery systems without warning. Solar batteries, particularly lithium-ion and lithium iron phosphate (LFP). .