With the loose connection, and the lamp turned on, the light provide the load, even with the battery terminal disconnected.Īfter tightening the battery connection current stayed on regardless of whether the light was on or not, because now the battery provided the load, when the lamp was off. Circuit can only be reset by unplugging and plugging back in. With no load the circuit must sense no load and shut the charging circuit down. With the loose terminal and no light on there was zero current being drawn from the power supply circuit of the charger, and no load on the circuit output 9since the battery term was loose (intermittent open). No current).Ĭlipped lead back on (still plugged in). Then unclipped one lead breaking the circuit between the charging circuit and the battery. Then unplugged then connected and amp meter between one wire (+) the circuit card and the battery. Cycled power (unplug unit from the wall then plugged back in) turned LED back on. Power adapter at the back on the AC input was providing 17VDC at the circuit card yet the LED was not lit. Disconnected the heavy red and Black cables from the battery and left only the two wires from the charging circuit card connected. After opening the back found the + terminal was found loose. Unplugged then plugged in Lamp on Bright LED charge indicator light on. Unplugged from outlet plugged back in no light. And when turning the lamp on again, Lamp stayed dim. If I turned off the lamp the LED light went out. No red LED charge indicator light unless I turned the lamp on. Then tried to charge it up and wouldn't take a charge. Found the battery was not the issue.īack ground: Like most people I used it a couple of times.

Cen tech battery charger not working