The 5kWh /100Ah Batteries PowerWall Lithium-ion-powerwall-5kwh-48v-100ah is a high-capacity lithium-ion battery that can provide backup power for your home or business. It is also a great way to store solar energy for use when the sun is not shining. Features Features. 5kWh capacity; 100Ah output; Lithium-ion battery technology; Easy to install ...