Volt To Mah Calculator Battery

mAh Calculation Formula:

\[ mAh = \frac{Wh}{V} \times 1000 \]

Milliampere Hours (mAh):

Unit Converter ▲

Unit Converter ▼

From:	To:

1. What is the mAh Calculation Formula?

The mAh (milliampere hours) calculation formula converts watt hours (Wh) to mAh using voltage (V). This is particularly useful for understanding battery capacity and comparing different battery types.

2. How Does the Calculator Work?

The calculator uses the mAh calculation formula:

\[ mAh = \frac{Wh}{V} \times 1000 \]

Where:

\( Wh \) — Watt hours (energy capacity)
\( V \) — Voltage (electrical potential)
\( 1000 \) — Conversion factor from Ah to mAh

Explanation: The formula divides the energy capacity (Wh) by the voltage to get ampere hours (Ah), then multiplies by 1000 to convert to milliampere hours (mAh).

3. Importance of mAh Calculation

Details: Calculating mAh from Wh and voltage helps in comparing battery capacities across different voltage systems, determining runtime for devices, and selecting appropriate batteries for specific applications.

4. Using the Calculator

Tips: Enter watt hours (Wh) and voltage (V) values. Both values must be positive numbers greater than zero for accurate calculation.

5. Frequently Asked Questions (FAQ)

Q1: Why convert Wh to mAh?
A: Converting Wh to mAh allows for better comparison of battery capacities, especially when dealing with different voltage systems and consumer electronics that often rate batteries in mAh.

Q2: What is the relationship between Wh and mAh?
A: Wh represents energy capacity, while mAh represents charge capacity. The conversion requires knowing the voltage: mAh = (Wh / V) × 1000.

Q3: Can I use this for all battery types?
A: Yes, this formula works for any battery type (Li-ion, NiMH, lead-acid, etc.) as long as you know the watt hours and nominal voltage.

Q4: Why multiply by 1000?
A: The multiplication by 1000 converts from ampere hours (Ah) to milliampere hours (mAh), which is a more common unit for smaller batteries and electronic devices.

Q5: How accurate is this calculation?
A: The calculation is mathematically precise based on the input values. However, actual battery performance may vary due to factors like temperature, discharge rate, and battery age.