Sunsynk, use battery cells that are produced by CATL. This is the same company that produce the cells for Tesla Automotive, BMW and many other large automotive brands.
We consider them to be the best cells in the world, and why not use the best? You want your system to function correctly for as many years as possible.
• 100% Depth of Discharge.
• Over 10 years life expectancy.
• Built in battery management system.
• Wall mount accessory.
• 51V, 5.12kW 100Ah per battery.