🧨 How To Charge 9V Battery

More About victordas ». This is a 9v battery status indicator circuit.One of my friend asked me to build this as he wants a 9v transistor radio battery status indicator. Thats why i build this circuit it works great and another thing about this circuit by changing the 'ZENER diode" you can rebuild this circuit for other low power battery. 5. Obtain two pieces of metal wire. Ideally, these will be covered in plastic insulation except for exposed ends. 6. Tape or clamp the wires to the battery that will be providing a charge and the battery that requires a charge. These wires may get hot (though most likely they will not if you are doing it properly). Replacing a 9V Battery. Replacing a 9V battery is necessary when it can no longer provide an adequate charge to operate the device. It depends on how much power the device requires to operate normally. Still, generally, you can expect the 9v battery to be no longer useful if its voltage level drops below 5.4 volts. SUfMo.

how to charge 9v battery