In this article, I will take apart a Li-ion alternative to the classic 6F22 9V battery. This battery is a Chinese 9V/500mAh USB rechargeable Li-ion battery (sold under the brand name infinite). The ...
Batteries don't output a fixed amount of current. The current varies with the load. The ratings of the batteries you are describing are probably the maximum currents. As long as the load is below the ...