Harmsworth, Alfred Charles William, Sir, bart · London Bombay : Longmans, Green, and Co. · leaf 188
S T49 Installation.—li a supply of electricity be available, the cellsmay be easily charged off any wall switch (see diagrambelow). The cell may be left on all night and found charged inthe morning. No fear need be entertained of charging theaccumulator too long. When fully charged the liquid in… … period than its rated capacity. The pressure of an accumulatorkeeps practically constant at two volts per cell throughout theperiod of discharge. Immediately a drop in pressure is observedthe cell should be recharged. Nothing ruins accumulatorsquicker than discharging them after the voltage falls.…
Automobiles
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