To meet individual requirements, customized wall-mounted home energy storage battery packs of 5kW, 10kW, 15kW, and 20kW are designed with tailored parameters. Depending on the home load requirements, these packs can be configured with appropriate battery capacity and chemistry. Designed to integrate with solar power and the grid, the packs are mounted on walls for space saving. The customized battery packs provide dependable and robust energy storage for optimizing self-consumption of renewable energy or backup power.