DEWALT FLEXVOLT 20V/60V MAX Lithium-Ion 9.0Ah Battery DCB609 - The Home Depot
Why do 9 volt batteries have much lower capacity (mAh) than AA or AAA batteries? - Quora
Batteries
Discharge tests and capacity measurement of 9 volt transistor radio batteries at high current, 100mA to 500mA engineering data
Energizer Ultimate Lithium 9V Batteries (2-Pack), Lithium 9-Volt Batteries L522BP2 - The Home Depot
Everything You Need To Know About The 9V Battery
Building a battery bank using amp hours batteries – BatteryGuy.com Knowledge Base
Pololu - Understanding battery capacity: Ah is not A
Is it possible to fully discharge a 9V battery in less than a second so that the output is higher since it will not need to stretch the battery life over time