4,300 mAh Is How Many Wh?

Quick Answer: 4,300 mAh = 15.91 Wh (at 3.7V)

Milliamp-hours
=
Watt-hours
Auto-fills voltage
Nominal battery voltage
Conversion Result
4,300 mAh = 15.91 Wh (at 3.7V)

At 3.7V nominal voltage

4,300 mAh = 15.91 Wh (at 3.7V)

Step-by-step:

  1. Formula: Wh = mAh × V / 1,000
  2. 4,300 × 3.7 / 1,000 = 15.91 Wh

Similar mAh to Wh Conversions

Values close to 4,300 mAh (at 3.7V Li-ion):

mAh Wh (at 3.7V)
1,800 mAh 6.66 Wh
2,300 mAh 8.51 Wh
2,800 mAh 10.36 Wh
3,300 mAh 12.21 Wh
3,800 mAh 14.06 Wh
4,300 mAh 15.91 Wh
4,800 mAh 17.76 Wh
5,300 mAh 19.61 Wh
5,800 mAh 21.46 Wh
6,300 mAh 23.31 Wh
6,800 mAh 25.16 Wh

See Also

Frequently Asked Questions

How many Wh is 4,300 mAh?

4,300 mAh equals 15.91 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 4,300 mAh to Wh?

Multiply 4,300 by the battery voltage, then divide by 1,000. At 3.7V: 4,300 × 3.7 / 1,000 = 15.91 Wh.

Is 4,300 mAh allowed on a plane?

At 3.7V, 4,300 mAh = 15.91 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