1,004 Wh Is How Many mAh?

Quick Answer: 1,004 Wh = 271,351.35 mAh (at 3.7V Li-ion)

Watt-hours
=
Milliamp-hours
Auto-fills voltage
Nominal battery voltage
Conversion Result
1,004 Wh = 271,351.35 mAh

At 3.7V nominal voltage

1,004 Wh = 271,351.35 mAh

Step-by-step:

  1. Formula: mAh = Wh × 1,000 / V
  2. 1,004 × 1,000 / 3.7 = 271,351.35 mAh

Similar Wh to mAh Conversions

Values close to 1,004 Wh (at 3.7V):

Wh mAh (at 3.7V)
754 Wh 203,783.78 mAh
804 Wh 217,297.3 mAh
854 Wh 230,810.81 mAh
904 Wh 244,324.32 mAh
954 Wh 257,837.84 mAh
1,004 Wh 271,351.35 mAh
1,054 Wh 284,864.86 mAh
1,104 Wh 298,378.38 mAh
1,154 Wh 311,891.89 mAh
1,204 Wh 325,405.41 mAh
1,254 Wh 338,918.92 mAh

See Also

Frequently Asked Questions

How many mAh is 1,004 Wh?

1,004 Wh equals 271,351.35 mAh at 3.7V (Li-ion nominal voltage). The mAh value changes with different voltages.

How do I convert 1,004 Wh to mAh?

Use the formula: mAh = Wh × 1,000 / V. At 3.7V: 1,004 × 1,000 / 3.7 = 271,351.35 mAh.

Does 1,004 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