80 Wh Is How Many mAh?

Quick Answer: 80 Wh = 21,621.62 mAh (at 3.7V Li-ion)

Watt-hours
=
Milliamp-hours
Auto-fills voltage
Nominal battery voltage
Conversion Result
80 Wh = 21,621.62 mAh

At 3.7V nominal voltage

80 Wh = 21,621.62 mAh

Step-by-step:

  1. Formula: mAh = Wh × 1,000 / V
  2. 80 × 1,000 / 3.7 = 21,621.62 mAh

Similar Wh to mAh Conversions

Values close to 80 Wh (at 3.7V):

Wh mAh (at 3.7V)
30 Wh 8,108.11 mAh
40 Wh 10,810.81 mAh
50 Wh 13,513.51 mAh
60 Wh 16,216.22 mAh
70 Wh 18,918.92 mAh
80 Wh 21,621.62 mAh
90 Wh 24,324.32 mAh
100 Wh 27,027.03 mAh
110 Wh 29,729.73 mAh
120 Wh 32,432.43 mAh
130 Wh 35,135.14 mAh

See Also

Frequently Asked Questions

How many mAh is 80 Wh?

80 Wh equals 21,621.62 mAh at 3.7V (Li-ion nominal voltage). The mAh value changes with different voltages.

How do I convert 80 Wh to mAh?

Use the formula: mAh = Wh × 1,000 / V. At 3.7V: 80 × 1,000 / 3.7 = 21,621.62 mAh.

Does 80 Wh equal the same mAh at every voltage?

No. Higher voltage means fewer mAh for the same Wh. Use the calculator above to try different voltages.

Formula: mAh = Wh × 1,000 / V. Results assume nominal battery voltage.

Conversion factors verified against NIST, BIPM Based on SI definitions (BIPM). Last reviewed: March 2026
Tiago Fernandes Reviewed by Tiago Fernandes