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John T
04-27-2000 13:06:24
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Re: 3020 12 volt system in reply to Charlie B, 04-27-2000 06:45:19
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Charlie, GENERALLY two sixes in series is better than one 12 BUT ONLY IF AND BECAUSE you have more lead and more acid and more plate density and plate surface area and a greater total amp hour capacity. For example, if the two sixes are very wimpy cheap low Amp Hour Batteres, while the 12 were a super heavy duty, the opposite could be true. Its amp hours and lead and acid and more plates is greater in two sixes than a single 12 is why they are USUALLY (not always) better. A battery stores energy and the bigger amp hour units with more lead and acid and plates store more energy. There may be some confusion below, two batteries in series add the voltage, but the amps that can be delivered is no greater if you stick two in series. However, if you connect two in parallell, the voltage stays the same, but the amps capacity is doubled, half of which can be delivered from each battery. Now, the amp hour capacity is additive, but not the amps of what either can deliiver if two are in series, that does not double. Energy is Volts times Amps, so at twice the voltage with two in series, the same current flow as one is still delivering twice the energy to the starter, since its at 12 not 6 volts. Ol John T Elecrical Engineer in Indiana
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