How to make a Pocket Power bank Using the L7805 Voltage regulator
STMICROELECTRONICS - L7806CV - Linear Voltage Regulator, 7806, Fixed, Positive, 11V To 35V In, 6V And 1.5A Out, TO-220-3
The L7806CV is a three-terminal positive Voltage Regulator available in the TO-220 package. It has a fixed output voltage, making it useful in a wide range of applications.

















