the negative pole of cylindrical batteries is the smooth end.
zinc
Zinc
The positive pole on the battery is the anode. The negative pole is the cathode.
Zinc
Positive + and negative-
First you must disconnect the negative(-) pole, then disconnect the positive(+), connect the new battery begining with the positive(+) pole, then the negative one.
so that it will be able to function
To get 24V from 2 12 V battery's Yo hook up the positive pole + of one of the battery's to the negative pole - of the other one. you will be left with a positive pole on each battery wit no connection on them The voltage between them is 24. If you want the battery to have the same voltage but have more amperage you connect positive to positive and negative to negative.
The battery ... without that it can't be a flashlight.
Hi there is a red plastic on the 1 pole that is positive and a black plastic on the other that is the negative
A battery is a source for electricity. A flashlight and a radio are not a source for electricity.
The popular energy of flashlight are Rechargeable Li-on battery, Alkaline battery.
Noting will happen when you turn on the flashlight without battery.