The Powerwall from Tesla is a home battery that is suitable for daily cycling usage. With its lithium-ion battery, it’s offering a variety of backup electricity supply solutions, ranging from night usage to emergency backup to going off the grid completely. Each Powerwall has an energy storage capacity of 6.4 kWh. Homes with greater energy needs can install multiple batteries to enlarge the storage capacity and cover their consumption. The price for the Powerwall is around $3000, including a 10 year-guarantee.