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DATA INPUT |
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Life of a lead-acid battery |
# years before end-of-life |
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Replace battery when energy storage drops below |
% of original energy storage at end-of-life |
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DC Volts (nominal) |
volts |
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DC Amps |
amp hours (AH) |
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Battery kWh (nominal) |
kWh |
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Useable capacity of nominal energy storage |
available energy |
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Maximum usable energy in the battery - kWh |
kWh |
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Hours per shift |
hours |
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Type of PIT (powered industrial truck) |
ITA class |
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Duty cycle |
higher capacity and/or lifting higher? |
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Has a 4th function attachment |
clamps, single-doubles, rotators, etc? |
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Works in a freezer |
below freezing? |
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Increase of duty cycle per year |
annual increase in business and energy demand |
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PIT power consumption in kWh per hour |
kWh/hr |
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PIT power consumption in kWh per shift |
kWh / day |
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Stored energy surplus (deficit) |
kWh |
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Power available for # shift hours - first year |
shift hours |
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Reduction in available stored energy/year |
reduced capacity per year |
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kWh reduction is energy storage |
kWh storage reduction per year |
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Year |
Battery capacity kWh |
Energy surplus (deficit) |
% |
Daily consumption kWh |
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Year 1 |
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Year 2 |
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Year 3 |
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Year 4 |
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Year 5 |
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Year 6 |
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Year 7 |
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Year 8 |
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Year 9 |
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Year 10 |