I have a camping lantern with a double tube fluorescent-type bulb that runs on 8x 1.5v D cell batteries. when switching on it glows for a couple of seconds then dies.
testing each battery with the multi meter shows that their voltages range from 1.45v - 1.48v, averaging them all out at 1.45v means an overall voltage loss of 0,4v i.e 11.6v instead of 12v.
Is this enough loss to make lamp fail? = surely not?
I put 2 of the batteries in G/sons model car and it flew across the room so it seems they have plenty of power yet.
Last edited by: devonite on Thu 21 May 20 at 21:55