Capacity is the total amount of electricity that a solar battery can store measured in kilowatt hours kwh.
Car batteries for solar power storage.
Perhaps the most important nexus between solar power and evs is energy storage he said in particular referring to ev batteries being reused to store solar power.
The car or truck battery is therefor designed to be used virtually fully charged all of the time.
Although a car or truck battery may be used for a small solar power system it may only have a life of 2 to 3 years if used continously compared to 10 to 15 years for a deep cycle battery.
This is very similar to an energy storage system where you may be generating power from solar wind water or magnetic power even as you are using electric devices that feed from the batteries.
As long as you keep the drain low you can indeed use a shallow cycle battery for storing power and a steady discharge.
Solar batteries are crucial to help you keep your system running.
Moreover since the panels produce energy during the day and you may not use all the energy at the time a stable power bank is essential to store this energy.