Battery with tester label

摘要

The present invention relates to a battery having a label and a tester therefor, characterised in that the tester forms a part of the label, and comprises a circuit whose ends contact or are contactible with the terminals of the battery, a portion of the circuit between the two ends having a predetermined resistance, an indicator being associated with the area of resistance and being activatable thereby by a current flowing therethrough, the activation of the indicator giving an indication of the remaining power in the battery, the advatage being that the tester cannot be inadvertently lost or misplaced.