Foxtech Solar specialize in providing more safety and green all in one energy storage system since 2015.Our hot sell 3KW 5KW residencial ESS has many good features : * Elegant and safe green solar storage system for home ;* Long term partner with CATL battery;* 2.56KW lithium iron battery per pack(2-4 packs as optional); * Easy installing and maintenance ; * Green and beautiful intergrated photovoltaics for your house .