3,741 mAh Is How Many Wh?

Quick Answer: 3,741 mAh = 13.8417 Wh (at 3.7V)

Milliamp-hours
=
Watt-hours
Auto-fills voltage
Nominal battery voltage
Conversion Result
3,741 mAh = 13.8417 Wh (at 3.7V)

At 3.7V nominal voltage

3,741 mAh = 13.8417 Wh (at 3.7V)

Step-by-step:

  1. Formula: Wh = mAh × V / 1,000
  2. 3,741 × 3.7 / 1,000 = 13.8417 Wh

Similar mAh to Wh Conversions

Values close to 3,741 mAh (at 3.7V Li-ion):

mAh Wh (at 3.7V)
1,241 mAh 4.5917 Wh
1,741 mAh 6.4417 Wh
2,241 mAh 8.2917 Wh
2,741 mAh 10.1417 Wh
3,241 mAh 11.9917 Wh
3,741 mAh 13.8417 Wh
4,241 mAh 15.6917 Wh
4,741 mAh 17.5417 Wh
5,241 mAh 19.3917 Wh
5,741 mAh 21.2417 Wh
6,241 mAh 23.0917 Wh

See Also

Frequently Asked Questions

How many Wh is 3,741 mAh?

3,741 mAh equals 13.8417 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 3,741 mAh to Wh?

Multiply 3,741 by the battery voltage, then divide by 1,000. At 3.7V: 3,741 × 3.7 / 1,000 = 13.8417 Wh.

Is 3,741 mAh allowed on a plane?

At 3.7V, 3,741 mAh = 13.8417 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