Watt-Hours to Amp-Hours Converter
Sizing battery banks for solar generators that advertise capacity in Wh. Computes Amp-hours from total energy in Watt-hours at specified system voltage.
Step-by-Step Derivation ▼ Show Steps
Calculations adhere to standard electrical equations and National Electrical Code guidelines.
Engineering Principles & Calculations
This calculator uses the exact mathematical relationships between Energy (Wh), Voltage (V) to determine Capacity (Ah). In practical applications, electrical systems must account for safety derating factors, nominal vs actual voltages, and conductor resistance losses.
Computes Amp-hours from total energy in Watt-hours at specified system voltage.
Typical Application & Best Practices
Sizing battery banks for solar generators that advertise capacity in Wh.
Watt-Hours to Amp-Hours Converter Benchmark Lookup Table
| Energy (Wh) | At 12V | At 24V | At 48V |
|---|---|---|---|
| 600 Wh | 50.0 Ah | 25.0 Ah | 12.5 Ah |
| 1,200 Wh | 100.0 Ah | 50.0 Ah | 25.0 Ah |
| 2,400 Wh | 200.0 Ah | 100.0 Ah | 50.0 Ah |
| 4,800 Wh | 400.0 Ah | 200.0 Ah | 100.0 Ah |
| 9,600 Wh | 800.0 Ah | 400.0 Ah | 200.0 Ah |