Dunkield Posted January 11, 2006 Report Share Posted January 11, 2006 If you have a 12v 12ah battery and a 12v 500mah charger. will it take 24 hours to fully charge the battery, or it is not as simple as that? As most chargers don't have any indicators on them these days it is hard to tell when the battery is fully charged. Quote Link to comment Share on other sites More sharing options...
Axe Posted January 11, 2006 Report Share Posted January 11, 2006 (edited) That sounds about right too me Stuart. Though these guys will be able to help you out better. Edited January 11, 2006 by Axe Quote Link to comment Share on other sites More sharing options...
old rooster Posted January 11, 2006 Report Share Posted January 11, 2006 (edited) Hmmmm, that assumes total efficiency in the system. Unlikely that a 500mah charger will roger a 12ah battery so probably not going to hurt to leave it on a bit longer. Having said that its very unlikely that it will be totally discharged when you start. Edited January 11, 2006 by old rooster Quote Link to comment Share on other sites More sharing options...
pavman Posted January 11, 2006 Report Share Posted January 11, 2006 If you have a 12v 12ah battery and a 12v 500mah charger. will it take 24 hours to fully charge the battery, or it is not as simple as that? startup 12x12 --------- = 0.288 X 24 = 6.912 500 6.912< 6 pigeons + 2 magpies X square root of 5/8 + 4/5 of a large lekky box, this means that if charged on a sat night the battery should work on sun, this calculation may not hold true on a weekday Quote Link to comment Share on other sites More sharing options...
bobt Posted January 11, 2006 Report Share Posted January 11, 2006 yes, but it slows down as it becomes fully charged. Quote Link to comment Share on other sites More sharing options...
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