Battery Box

Couple of battery boxes are shown here. One is for two dry cells of 1.5 volts each and will provide an output of 3 volts. The second one can hold 4 dry cells with a total voltage of 6 volts. You can use either ordinary dry cells, alkaline batteries or rechargeable batteries depending on your need. Alkaline batteries are costlier, but last longer. Rechargeable batteries will of course need a battery charger. Red wire is the positive terminal and the black wire the negative terminal. The battery boxes can be fitted within the housing of your hobby electronics project.