How Many Charges From 10000mah Power Bank. And considering 90 efficiency we really have only 6600mAh for our devices. Lithium-ion batteries degrade over time their capability to carry a charge.

Lithium-ion batteries degrade over time their capability to carry a charge. With 10000mAh you can charge most phones 2-3 times while keeping prices and portability to a minimum. Power bank has many different capacity levels such as 5000mAh 10000mAh 12500mAh.
The duration of how long your 10000mAh battery can last will depend on how much current is being drawn from it.
Power banks only have 23 of the indicated capacity mostly because the power has to be converted. How many times can I charge my phone with 10000mAh. With 10000mAh you can charge most phones 2-3 times while keeping prices and portability to a minimum. The duration of how long your 10000mAh battery can last will depend on how much current is being drawn from it.

