12V High Backup Inverter Battery is used in INVERTER application as a lead acid battery with voltage in multiples of 12 Volt. 12V High Backup Inverter Battery each has a lead acid battery and has 6 cells of 2V each which gives the total voltage as 12V. Hence, a 12 Volt INVERTER means that it is designed to operate with 1 battery. these help in supplying the power to your connected electronics in the event of a power outage, fluctuation or other disturbance.