LM12.8V100Ah/200Ah LiFePO4 Deep Cycle Battery 12.8V 100Ah

https://www.huasu-tech.com/products/lm12.8v100ah-lifepo4-deep-cycle-battery/

This is used to provide sustained power output over long periods. The LiFePO4 batteries for sale are suitable for those applications which require a quick start.