Quote:
Originally Posted by dgr
Thanks for the replies. My question regarding residual current draw is simply wondering if I'm going to kill my battery If I forget to turn this off.
As far as cutout voltage, it's possible I'm not understanding what you are doing here. I thought that you were reading voltage and when it hit a certain level, the battery was assumed to be fully charged and the current was dumped to the lightbulb. I assumed you picked 2.3V per cell as that voltage as you are calibrating with 14V and 14V/6 cells is 2.33 volts.
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Ah! Now I get it
About the residual current draw: Yes, this device will probably wil kill you battery but only if you leave it connected for an absurde amount of time. Maybee your battery self discharge rate is higher than the residual consumption of this device.
Nevertheless itīs always a good policy to disconect any electrical equipment when unnatended or not in use...
About the 14 volt, Iīve chosen that voltage because itīs a pretty standard value to charge lead-acid 12V batteries with. For instance, you automotive alternator, most certanly, produces something arround that value. Anyway, you can tune to whatever voltage you want within reasonable values...
Hope I was helpfull...
Cheers