Battery
Backup
Calculator
Instantly calculate how long your battery will power your load – Lithium or Tubular
Battery Storage Calculator
Determines usable depth of discharge (DoD).
Ampere-hour rating on your battery.
Total wattage of appliances running on backup.
Backup Time
—
hours of backup
Usable Energy
—
kWh available
Total Energy
—
kWh (gross capacity)
* Formula: Total Energy (kWh) = Voltage × Ah ÷ 1000. Usable Energy = Total × DoD. Backup Time = Usable Energy ÷ Load (kW).
