Calculate re-charging costs?

Anyway I can figure out, at least roughly, how much re-charging batteries will cost me?

I know there are a number of variables involved, like battery type and size, local rates, measurement period, maybe the type of charger used ..... other stuff I don't know about ..... :?

Anyone care to "spell it out" for me and show me what i'd need to know/do to figure this out, please?

And no, i'm not the primary bill payer at home. I just plunk my share on the table and it disappears. :lol:

PATIA!

There's ways to fine-tune the algorithm below to correct for efficiency of recharge, depth of discharge and such, but for a quick and fairly accurate answer:

1) Find out your local electricity rate in pennies per kilowatt-hour. This info is usually included on billing statements.

2) Find out the capacity of your batteries in kilowatt-hours. To do this, multiply the pack voltage times the pack amp-hours and divide by 1000. For instance, for four 12V 10ah SLA's:
48V X 10ah = 480 watt-hours = 0.48 kilowatt-hours.

3) Multiply the rate in cents times the battery capacity in kilowatt-hours. For instance, if electricity costs 10 cents per kwh, recharging the battery pack above costs:

10 cents X 0.48 = 5 cents

Cool, got it! Thanks xyster!

power costs for an ev, to compare with ICE gas costs
is quickly estimated by dividing battery cost by number of cycles.
power from the grid is a tiny bit more.