ETEKWARE wall-mounted LiFePO4 lithium battery is your perfect home energy storage solution for grid-tied or off-grid solar installations. This whole house battery backup system offers various benefits, including a 98% round-trip efficiency when charged or discharged, a cycle life of 6,000 cycles, a high-voltage electronic Battery Management System, easy installation, no maintenance, etc. It is designed to provide backup power in the case of outages caused by extreme weather or help store electricity for usage during peak times.