Junior Box has 1.6 kWh capacity per unit,Stackable module (Up to 4 batteries for 6.4 kWh) ensures continuous power supply to the home day and night for familiesof 3-5 members. 8000 charge cycles LiFePO4 batteries 15 years design life, 10 years warranty,and with an intelligent BMS (Battery Management System), it ensures balanced charging cycles