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Lead acid batteries

Rob Eagle

Is there any limit to how long a lead acid battery can continuously supply a load, this is assuming that the capacity of the battery is capable of supplying the load for the period of whatever it may be.

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    Well, maybe it is the self discharge rate that is the limiting factor and will no doubt vary depending on the size of battery.

    What I am really asking is a ball park figure for how long a lead acid battery or a bank of batteries can supply a resistive load, is it 1 month, 6 months, 1 year between charges?  This is assuming the capacity of the battery and load are matched for the period, I’m asking because I cannot think of an application where a lead acid battery is used for more than a few hours or a day or so at the absolute most.

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    Well, maybe it is the self discharge rate that is the limiting factor and will no doubt vary depending on the size of battery.

    What I am really asking is a ball park figure for how long a lead acid battery or a bank of batteries can supply a resistive load, is it 1 month, 6 months, 1 year between charges?  This is assuming the capacity of the battery and load are matched for the period, I’m asking because I cannot think of an application where a lead acid battery is used for more than a few hours or a day or so at the absolute most.

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