26,800 mAh to watt-hours
99.2 Wh
26,800 mAh at 3.7 V (lithium-ion cell voltage) · allowed in carry-on (under 100 Wh)
26,800 mAh by voltage
| Nominal voltage | Energy |
|---|---|
| 1.2 V | 32.2 Wh |
| 3.2 V | 85.8 Wh |
| 3.7 V | 99.2 Wh |
| 3.85 V | 103.2 Wh |
| 5 V | 134.0 Wh |
| 7.4 V | 198.3 Wh |
| 12 V | 321.6 Wh |
Wh = mAh × V ÷ 1000. Power banks rate mAh at the 3.6-3.7 V cell voltage, not 5 V USB output.
What it can charge
With about 65% real-world efficiency to the device: ~4.3 charges of a 15 Wh phone, ~1.1 of a 60 Wh laptop.
FAQ
How many Wh is 26,800 mAh?
99.2 Wh at 3.7 V.
Can I fly with a 26,800 mAh power bank?
At 99 Wh, yes, under the 100 Wh limit; keep it in carry-on, not checked bags.