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To convert watt-hours (Wh) to milliampere-hours (mAh). you need to know the voltage (V) of the battery. The formula to convert Wh to mAh is:
mAh=Wh×1000/Volts
Assuming a common voltage of 3.7V, which is typical for lithium-ion batteries.
Below is a table showing the conversion of various Wh values to mAh. sorted from smallest to largest. assuming a voltage of 3.7V.
Wh |
Voltage (V) |
mAh |
1.00 |
3.70 |
270.27 |
18.50 |
3.70 |
5000.00 |
22.20 |
3.70 |
6000.00 |
29.60 |
3.70 |
8000.00 |
37.00 |
3.70 |
10000.00 |
40.00 |
3.70 |
10810.81 |
41.00 |
3.70 |
11081.08 |
44.00 |
3.70 |
11891.89 |
44.40 |
3.70 |
12000.00 |
50.00 |
3.70 |
13513.51 |
52.60 |
3.70 |
14216.22 |
55.50 |
3.70 |
15000.00 |
74.00 |
3.70 |
20000.00 |
88.00 |
3.70 |
23783.78 |
99.00 |
3.70 |
26756.76 |
100.00 |
3.70 |
27027.03 |
155.00 |
3.70 |
41891.89 |
160.00 |
3.70 |
43243.24 |
192.00 |
3.70 |
51891.89 |
256.00 |
3.70 |
69189.19 |
290.00 |
3.70 |
78378.38 |
293.00 |
3.70 |
79189.19 |
300.00 |
3.70 |
81081.08 |
500.00 |
3.70 |
135135.14 |
768.00 |
3.70 |
207567.57 |
1024.00 |
3.70 |
276756.76 |
1056.00 |
3.70 |
285405.41 |
To convert 1 Wh to mAh at 3.7V:
mAh=1×1000/3.7≈270.27 mAh
To convert 100 Wh to mAh at 3.7V:
mAh=100×1000/3.7≈27027.03 mAh
To convert 160 Wh to mAh at 3.7V:
mAh=160×1000/3.7≈43243.24 mAh