I have been looking for a cheap way to test the voltage of a power supply for log style vapes. I want to know what voltage I am applying so I don't give it too much.
A tester for a LiPo battery pack is $3. It is intended to test multiple battery cells via a test cord. It also works to test a power supply plug by touching the first contact to the outside of the plug or negative. The second two contacts touch the inside of the plug or positive. It will think there are two cells, but will give a total voltage. You can't get much smaller or cheaper than this.
My power supplies measure just over 12 volts.
A tester for a LiPo battery pack is $3. It is intended to test multiple battery cells via a test cord. It also works to test a power supply plug by touching the first contact to the outside of the plug or negative. The second two contacts touch the inside of the plug or positive. It will think there are two cells, but will give a total voltage. You can't get much smaller or cheaper than this.
My power supplies measure just over 12 volts.
