Show how to lengthen life of your B batteries the amount of service you will obtain from a B battery depends to a great extent on the care you give I 1 V the following pointers will assist in securing the maximum number of hours of useful life from the battery do not subject your D B battery to high temperatures handle it carefully you may ruin your B battery by dropping it on the floor as this may break some of the internal connections do not short circuit conr battery even momentarily A short circuit of only a few moments duration will drain a considerable pro proportion of the total energy out of the B battery batterr for this reason if you cfall to test the battery ry use a high grab voltmeter and never an arn ammeter arneeter meter voltmeters are high resistance resli tance instruments and give a good indication of the condition of the battery without drawing excessive currents from it ammeters ammeter are low resistance instruments and when placed across the terminals terminal of the battery practically short circuit it 11 |