Battery Bank Amp Hour Calculator

Determine the amp-hour capacity of your battery system

Battery Bank Amp Hour Calculator

For various battery chemistries and applications

Results:

Amp-hours (Ah): 0.00

How to Use the Battery Bank Amp Hour Calculator

Calculate Amp-hours

  1. Enter the total Watt-hours (Wh) of your battery bank.
  2. Provide the nominal system voltage (V) of your battery bank.
  3. Click the "Calculate" button to get the Amp-hour (Ah) capacity.

Battery Bank Fundamentals

Amp-hours (Ah)

Amp-hours (Ah) represent the amount of electrical charge a battery can deliver at a constant current for one hour. It's a key metric for sizing battery banks.

  • Higher Ah means longer discharge time.
  • Crucial for determining backup duration.

Watt-hours (Wh) and Voltage (V)

  • Watt-hours (Wh) measure the total energy stored in a battery (Voltage × Amp-hours).
  • Voltage (V) is the electrical potential difference of the battery system.
  • These two values are essential for converting to Amp-hours.

Key Formula:

Amp-hours (Ah) = Watt-hours (Wh) / Voltage (V)

Calculation Formulas

Amp-hours (Ah):
Ah = Wh / V

Example Calculation

Consider a battery bank with:

Total Watt-hours (Wh): 1200 Wh

System Voltage (V): 12 V

Ah = 1200 Wh / 12 V

Ah = 100 Ah

Result: 100.00 Ah

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