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Example of mAh to Watts Calculations
To convert milliampere-hours (mAh) to watts (W), you need to know the voltage (V) of the battery. The formula to convert mAh to watts is:
Watts=mAh×Volts/1000
For these calculations, let's assume a common voltage of 3.7V, which is typical for lithium-ion batteries.
Table of mAh to Watts Conversions
Below is a table showing the conversion of various mAh values to watts. sorted from smallest to largest. assuming a voltage of 3.7V.
|
mAh |
Voltage (V) |
Watts (W) |
|
500.00 |
3.70 |
1.85 |
|
650.00 |
3.70 |
2.41 |
|
1000.00 |
3.70 |
3.70 |
|
1200.00 |
3.70 |
4.44 |
|
1500.00 |
3.70 |
5.55 |
|
1800.00 |
3.70 |
6.66 |
|
2000.00 |
3.70 |
7.40 |
|
2200.00 |
3.70 |
8.14 |
|
2400.00 |
3.70 |
8.88 |
|
2500.00 |
3.70 |
9.25 |
|
2600.00 |
3.70 |
9.62 |
|
3000.00 |
3.70 |
11.10 |
|
3200.00 |
3.70 |
11.84 |
|
4000.00 |
3.70 |
14.80 |
|
4500.00 |
3.70 |
16.65 |
|
4800.00 |
3.70 |
17.76 |
|
5000.00 |
3.70 |
18.50 |
|
5200.00 |
3.70 |
19.24 |
|
6000.00 |
3.70 |
22.20 |
|
8000.00 |
3.70 |
29.60 |
|
10000.00 |
3.70 |
37.00 |
|
15000.00 |
3.70 |
55.50 |
|
20000.00 |
3.70 |
74.00 |
|
25000.00 |
3.70 |
92.50 |
|
30000.00 |
3.70 |
111.00 |
|
40000.00 |
3.70 |
148.00 |
|
42000.00 |
3.70 |
155.40 |
|
42800.00 |
3.70 |
158.36 |
|
50000.00 |
3.70 |
185.00 |
|
80000.00 |
3.70 |
296.00 |
Convert 5000 mAh to Watts
To convert 5000 mAh to watts at 3.7V:
Watts=5000×3.7/1000=18.50 W
Convert 10000 mAh to Watts
To convert 10000 mAh to watts at 3.7V:
Watts=10000×3.7/1000=37.00 W
Convert 20000 mAh to Watts
To convert 20000 mAh to watts at 3.7V:
Watts=20000×3.7/1000=74.00 W