Insight on deep cycle battery:
Deep cycle battery packs might look a good
deal like automobile batteries to people that aren't accustomed with them, yet
they're one-of-a-kind in all actuality. It's a lead battery intended to give
sustained control over an extensive stretch and run till it is 80% released or
much more, so, all in all, it must be re-energized.
https://www.smartyblogs.com.au/why-do-you-need-a-deep-cycle-battery-pack-and-what-are-its-benefits/