4,231 mAh Is How Many Wh?

Quick Answer: 4,231 mAh = 15.6547 Wh (at 3.7V)

Milliamp-hours
=
Watt-hours
Auto-fills voltage
Nominal battery voltage
Conversion Result
4,231 mAh = 15.6547 Wh (at 3.7V)

At 3.7V nominal voltage

4,231 mAh = 15.6547 Wh (at 3.7V)

Step-by-step:

  1. Formula: Wh = mAh × V / 1,000
  2. 4,231 × 3.7 / 1,000 = 15.6547 Wh

Similar mAh to Wh Conversions

Values close to 4,231 mAh (at 3.7V Li-ion):

mAh Wh (at 3.7V)
1,731 mAh 6.4047 Wh
2,231 mAh 8.2547 Wh
2,731 mAh 10.1047 Wh
3,231 mAh 11.9547 Wh
3,731 mAh 13.8047 Wh
4,231 mAh 15.6547 Wh
4,731 mAh 17.5047 Wh
5,231 mAh 19.3547 Wh
5,731 mAh 21.2047 Wh
6,231 mAh 23.0547 Wh
6,731 mAh 24.9047 Wh

See Also

Frequently Asked Questions

How many Wh is 4,231 mAh?

4,231 mAh equals 15.6547 Wh at 3.7V (Li-ion nominal voltage). The exact Wh depends on the battery voltage: Wh = mAh × V / 1,000.

How do I convert 4,231 mAh to Wh?

Multiply 4,231 by the battery voltage, then divide by 1,000. At 3.7V: 4,231 × 3.7 / 1,000 = 15.6547 Wh.

Is 4,231 mAh allowed on a plane?

At 3.7V, 4,231 mAh = 15.6547 Wh. Airlines allow lithium batteries up to 100 Wh in carry-on luggage. Batteries between 100–160 Wh require airline approval. Batteries over 160 Wh are prohibited on passenger aircraft.

Formula: Wh = mAh × V / 1,000. 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