Battery charging procedure
1. Always leave the vent plugs in loose condition and in place during charging to avoid excess pressure due to gassing inside the battery during charging.
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2. Always charge the batteries in a well- ventilated area and wear eye protection and protective clothing.
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Warnings |
A | Danger/caution |
B | Shield eyes/explosive gases can cause blindness or injury |
C | No Sparks/flame/smoking |
D | Sulfuric acid can cause blindness or severe burns |
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3. Always keeps sparks or flames away from the battery.
4. Check specific gravity readings, determine if further charging is still required.
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5. Before charge, clean the battery surface and terminals.
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6. Check electrolyte level, top-up if required up to the barrel level. Use only distilled water for topping up.
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7. Ensure that the battery charger is in OFF condition.
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8. To charge more than one battery, connect in series. A series connection is the one direction, in which the positive (+) of one battery is connected to the negative (-) terminal of the next battery. The voltage rating of the charger determines the number of batteries in series.
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9. Use proper size cables for inter connections to charger.
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10. Switch ON the charger.
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11. Charge the battery, till the top of charging voltage is reached. In the charger setting voltage shall not be less than 16.0 V per battery.
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12. On Obtaining the same specific gravity values consecutively, three times after intervals of twenty minutes (1 hour total duration). Switch OFF and disconnect the battery from charger.
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13. After satisfactory completing the charging from step 1 to 10, tighten the vent plugs.
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