Since April 2016, Lithium ion batteries which are offered for transport by air and which are packed by themselves (i. not contained in or packed with equipment) are required to be shipped at a state of charge (SoC) not exceeding 30% of their rated design capacity.
How much Mah does a battery pack charge?
In our tests, 10,000mAh of battery pack capacity translated to roughly 5,800mAh of device charge. 20,000mAh chargers delivered around 11,250mAh to a device, and 25,000mAh banks translated to about 16,200mAh of charge. That's an average efficiency rate of around 60 percent.
For a portable battery charger, the Anker PowerCore+ Mini is a great choice. It is slightly larger than a tube of lipstick in size, making it easy to slip into a pocket for on-the-go charging. Look for the DWYM seal for products that are the best in the category.
Most manufacturers list how many charges a battery can give a certain smartphone. In our tests, 10,000mAh of battery pack capacity translated to roughly 5,800mAh of device charge. 20,000mAh chargers delivered around 11,250mAh to a device, and 25,000mAh banks translated to about 16,200mAh of charge.