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🔋 Battery Calculator
Battery Runtime
Battery Capacity
Battery Sizing
Battery Runtime Calculator
Runtime = Capacity ÷ Load Current
Battery Capacity
Capacity Unit
Ah (Amp-hours)
mAh (Milliamp-hours)
Wh (Watt-hours)
Load Current (Amperes)
Battery Voltage (Volts)
Calculate Runtime
50.0
hours runtime
Runtime Analysis
Battery Capacity Calculator
Capacity = Load Power × Runtime ÷ Battery Voltage
Load Power (Watts)
Required Runtime (hours)
Battery Voltage (Volts)
Efficiency Factor
80% (Lead Acid)
85% (NiMH)
90% (Li-ion)
95% (LiFePO4)
Calculate Capacity
22.2
Ah required
Capacity Analysis
Battery Sizing Calculator
Battery Bank = Daily Energy ÷ (Voltage × DOD × Efficiency)
Daily Energy Consumption (kWh)
Battery Bank Voltage (Volts)
Days of Autonomy
Depth of Discharge (%)
50% (Lead Acid)
80% (Li-ion)
90% (LiFePO4)
System Efficiency (%)
85% (Basic)
90% (Good)
95% (Excellent)
Calculate Battery Bank
416.7
Ah battery bank
Battery Bank Analysis