A 10000mah power bank can charge an iPhone 7 up to 4 times.

The iPhone 7 has a 1,960 mAh battery.

A 5000mAh power bank should be able to charge an iPhone 7 at least two times.

It takes 5 watts to charge an iPhone 7.

A 20000mAh power bank can charge an iPhone 7 up to 8 times.

There is no definitive answer to this question as it depends on the specific needs of the individual. A 10,000mAh battery might be better for someone who needs a little extra power but doesn’t require a lot, while a 20,000mAh battery might be better for someone who needs more juice and doesn’t mind the extra weight.

Yes, 50000mAh is a good power bank capacity. It will be able to charge most devices several times over.

5000 portable chargers should last around 3-4 years with moderate use.

5000mAh is enough for most people. It will give your phone a full charge and then some. However, if you are a heavy user, you may need a battery with more capacity.

Yes, you can use a 12W charger for the iPhone 7. However, it is not the recommended charger to use. The recommended charger is a 5W charger.