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How to charge a battery A typical battery charger,fitted with a charge gauge(ammeter). Clip the red positive(+) charger lead to thepositive (+) terminal. The high andlowcharging-rateswitch. The ammetergauge shows therate of charge. Clip the black negative (-)charger lead to thenegative (-) terminal. Make sure that thecrocodile clips are fixedsecurely and not liableto be knocked off byaccident. If the charging rate is muchmore than 4 amps, take offthe cell caps or coveringtrough to assist the gas toescape.

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Using a car battery charger

A high charging rate If the charging rate is much more that 4 amps, take off the cell caps...