Quote:
Originally Posted by CTRvs666
I will watch for the corrosion. The batteries are so exposed to road dirt and wash, the fuseable links are all buried, and it is a PITA to get to. I just might pay for a battery check and such next spring. Since I added 2 more batteries DIY and another solar panel DIY, I just don't want to dig around in that ridiculous battery box again.
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As lead acid batteries age, they do not fully charge (less amp-h available). When that happens they out-gas more (need watering more often).
Another problem is adding water to batteries that are discharged. All lead acid batteries swell when they discharge and shrink when being charged. If a 100 amp-h flooded starting battery is watered when 50% discharged, each will spit out about a tea spoon of water when fully charged. Deep cycle batteries have more water volume per cell and more water storage above the plates, so are lees susceptible to the spitting. On a hot day when being recharge the converter can supply too much current and cause spitting. The voltage to the batteries from the charge is somewhat controlled by the charges temperature and the charger considered the batteries are at the same temperature as the charger, unless the is the converter has battery temperature probe. This temperature differential can cause spitting to the final charge moments.
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