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Battery querie

Number of messages: 3

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sean_m
Antrim, United Kingdom

I would be very grateful if someone here could help me with a few formulas for a college project. I've tried googling various terms but have being going in circles with many conflicting results.
I need to calculate how much it costs to charge a battery, how much hydrogen is dissipated from it and how much ventilation is required to make is safe? And I have to show how these figures are derived.

Secondly. Is there any way of comparing the pros and cons of using elec over IC powered forklifts with figures?

I appreciate any help on this at all.

Modified 22 Nov 2007 08:12 AM
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roberto_s
ZUID HOLLAND, Netherlands

Hello,
Check this out its in italian but you can use it to compare cost electrical versus combustion forklifts

[url/email removed]

Posted 22 Nov 2007 08:31 PM

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AndyPandy
Staffordshire, WM, United Kingdom

Sean
The volume of hydrogen produced by a lead acid battery =

No of cells x rated ampere hour capacity x 35
Divided by 1000000

The safe limit for hydrogen is below 1%. so the volume of the room containing the battery and charger is required to work out the safe number of batteries per room.

As for the cost, this will vary as to how dischagred the battery is but as a guide the current draw will be on the side of a particular unit x length of charge, 8 or 12 hours.

Modified 23 Nov 2007 08:07 AM
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