The Enphase storage system is reliable, smart, simple, and safe. It performs two critical functions in your system. The batteries, internal to Enchargeā¢, store energy for later use or for use during a power outage. The IQ 8X-BAT microinverters convert your harvested energy into usable AC electricity for your house. It provides backup capability and installers can quickly design the right system size to meet the needs of both new and retrofit solar customers.