Apple
iPhone 13 Pro Max
The largest iPhone 13 battery stores nearly 80% more energy than the mini and therefore changes every power-bank estimate.The iPhone 13 Pro Max battery stores 16.75 watt-hours.
The model-specific battery source lists 16.75Wh, 4,352mAh. Nominal voltage is 3.85V. This technical record says nothing about a UK retailer, GBP price or warranty.
- Rated energy
- 16.75Wh
- Rated capacity
- 4,352mAh
- Nominal voltage
- 3.85V
How many full charges?
We take 75% of the power bank’s rated Wh and divide it by this phone’s 16.75Wh. This is a planning estimate, not a charging guarantee.
18.5Wh rated → 13.9Wh planned delivery
37Wh rated → 27.8Wh planned delivery
74Wh rated → 55.5Wh planned delivery
(power-bank Wh × 0.75) ÷ 16.75Wh16.75Wh tells you how much.
Charging power tells you how fast.
The phone, USB power adapter and cable must negotiate a compatible charging profile. Use certified equipment suitable for the UK 230V/50Hz supply.
Alignment, heat and charger certification affect real charging power.
Two sources with different jobs.
The manufacturer supports the phone and charging claims. The model-specific battery source supplies the figures used in the calculation. These technical figures do not prove UK retail availability or an included charger.
Keep energy and charging power separate.
How many Wh is the Apple iPhone 13 Pro Max battery?
The model-specific source lists 16.75Wh and 4,352mAh. Watt-hours are the useful figure when comparing it with a power bank.
How many times can a 10,000mAh power bank charge the iPhone 13 Pro Max?
A power bank rated around 37Wh provides about 1.7 full charges in this planning calculation. We assume 75% of rated energy reaches the phone battery; actual results vary with cable, temperature and use while charging.
Does 16.75Wh mean the phone charges at 16.75W?
No. 16.75Wh is stored energy. Charging power is a rate measured in watts; the sourced charging description for this model is Fast-charge capable with a 20W or higher adapter.