We use brand new A-grade LiFePo4 battery,equipped with an intelligent battery management system for charging and discharging cycles.The inverter converts Dc energyto Ac energy to meet the requirements for household electricity.Normally this product is installed in combination with pv system to provide green electricity to household users,reduce energy consumption,and reduce negative impacts on the environment,it's widely used in remote areas or areas with unstable power supply,to provide reliable, stable, and cost-effective energy supply.