Lithium iron phosphate lasts 10 times longer than other batteries when used for the same application. The batteries can also achieve 3500 charging cycles at 100% depth of discharge without having any negative effects on battery life, guaranteeing that your batteries will have a long battery life. LiFePO4 batteries use 100% of their rated capacity, meaning the RB48V200 battery provides a true 200 Amp Hour battery capacity.
For More: https://www.firemountainsolar.com/shop/batteries/search-by-battery-type/lithium-iron-phosphate-solar-batteries/relion-rb48v20