Battery Calculators | Capacity, Backup Time & Charging – CircuitSecrets
CircuitSecrets Battery Calculators
Professional tools for UPS, inverter, solar, and DC backup system design
This calculator is for estimation purposes only. Always verify with manufacturer data and local electrical codes.
Battery Capacity Calculator
Calculate the required battery capacity for your backup system based on load power, backup time, and system parameters.
Required Energy
0 Wh
0 kWh
Required Battery Capacity
0 Ah
@ 12V system
System Status
Battery Backup Time Calculator
Estimate how long your battery will power your load based on battery specifications and system efficiency.
Backup Time
0 hours
0 minutes
Discharge Current
0 A
Continuous discharge rate
System Status
System operating within safe parameters
Battery Bank Series-Parallel Calculator
Design your battery bank configuration to meet required system voltage and capacity using series and parallel connections.
Bank Configuration
Batteries in Series
0
Batteries in Parallel
0
Total Batteries Required
0
Final Bank Specifications
Bank Voltage
0 V
Bank Capacity
0 Ah
Total Energy
0 Wh
Battery Charging Time Calculator
Estimate charging time for your battery based on charger current and battery type.
Charging Time
0 hours
Full charge from 0% capacity
Recommended Charger Current
0 A
10% of battery capacity (ideal)
Safety Note
Always use a charger designed for your battery type and follow manufacturer guidelines.
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