51.2V 100Ah wall-mounted power supply wall 5kwh lithium-ion battery, built-in BMS can switch the communication protocol through the display screen, used for household and commercial backup power supply
link:https://www.sunnewbattery.com/solar-energy-storage-battery/power-wall-battery/lithium-ion-battery-48v-100ah-5kwh-power-wall.html