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Battery charger

Battery charger
The battery charger shown in the diagram may be used to charge a battery or batteries with a total nominal voltage of 12 V (that is, ten NiCd batteries or six 2-V lead-acid batteries). It is small enough to be built into a mains adapter case. Mis use is virtually impossible: batteries connected with wrong polarity, a short-circuit of the output terminals, or a mains failure have no effect on either the charger or the batteries.
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