1. What is the Amp to mAh Conversion?

The Amp to milliamp-hour (mAh) conversion calculates the battery capacity or charge based on current flow over time. It's commonly used to estimate how long a battery will last under specific current draw conditions.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( A \) — Current in Amperes (A)
• \( \text{Time} \) — Duration in hours
• \( 1000 \) — Conversion factor from Amps to milliAmps

Explanation: The formula converts the current flow in Amps to milliAmps (by multiplying by 1000) and then multiplies by the duration in hours to get the total capacity in mAh.

3. Importance of Capacity Calculation

Details: Calculating mAh is essential for determining battery life, sizing batteries for electronic devices, and comparing battery capacities.

4. Using the Calculator

Tips: Enter current in Amperes (A) and time duration in hours. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What's the difference between mAh and Ah?
A: mAh (milliamp-hours) is 1/1000 of Ah (Amp-hours). 1000 mAh = 1 Ah.

Q2: How does mAh relate to battery life?
A: Higher mAh means longer battery life if the current draw remains constant. Battery life = mAh / current draw (in mA).

Q3: Can I use this for charging calculations?
A: Yes, this can estimate charging time if you know the charger's current output and battery capacity.

Q4: Why multiply by 1000 in the formula?
A: Because 1 Amp = 1000 milliamps, and mAh uses milliamps as the base unit.

Q5: Is this calculation affected by battery type?
A: The calculation is theoretical. Real-world performance varies by battery chemistry (Li-ion, NiMH, etc.) and conditions.