Optimize your power system with our Energy Storage Calculator. Quickly determine the required battery capacity (Ah) and total energy (kWh) for solar, off-grid, or backup applications. Input your system's power, desired duration, battery voltage, Depth of Discharge (DoD), and inverter efficiency to get precise results. Plan your energy solution effectively and avoid costly oversizing or undersizing.
Formula:
E_demand = P_sys × T_duration (Total Energy Demand in kWh)
E_usable = E_demand / (Eff_inv / 100) (Usable Battery Energy in kWh)
C_batt_Ah = (E_usable × 1000) / (V_batt × (DoD / 100)) (Required Battery Capacity in Ah)
Where:
P_sys = System Power (kW)
T_duration = Duration of Storage (hours)
Eff_inv = Inverter Efficiency (%)
V_batt = Battery Voltage (V)
DoD = Depth of Discharge (%)