SunFusion Energy Storage Calculator Electricity Rate (\$/kWh) Daily Energy Usage (kWh) Peak Power Demand (kW) Backup Duration (hours) Critical Load (%) System Model Guardian Elite (16kWh | 12kW) Guardian E2 (48kWh | 15kW) Guardian Tower (96kWh | 15kW) ECHO 3T /28/12 (28kWh | 12kW) ECHO 3T /28/15 (28kWh | 15kW) ECHO 3T /42/15 (42kWh | 15kW) ECHO 4T /28/12 (28kWh | 12kW) ECHO 4T /42/12 (42kWh | 12kW) ECHO 4T /28/24 (28kWh | 24kW) ECHO 4T /28/15 (28kWh | 15kW) ECHO 4T /42/15 (42kWh | 15kW) ECHO 4T /56/15 (56kWh | 15kW) ECHO 4T /28/30 (28kWh | 30kW) ECHO 4T /42/30 (42kWh | 30kW) ECHO 4T /56/30 (56kWh | 30kW) ECHO 5T /28/12 (28kWh | 12kW) ECHO 5T /42/12 (42kWh | 12kW) ECHO 5T /42/24 (42kWh | 24kW) ECHO 5T /28/24 (28kWh | 24kW) ECHO 5T /28/15 (28kWh | 15kW) ECHO 5T /42/15 (42kWh | 15kW) ECHO 5T /56/15 (56kWh | 15kW) ECHO 5T /28/30 (28kWh | 30kW) ECHO 5T /42/30 (42kWh | 30kW) ECHO 5T /56/30 (56kWh | 30kW) ECHO 5T /71/30 (71kWh | 30kW) Calculate System