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Old 10-06-2018, 04:41 PM   #1
Join Date: Dec 2014
Posts: 43
Charger System

I've read in several articles that some chargers in invert-er systems are not the best. My question is :: is it better to have a invert-er with a built in charger or have an invert-er without a charger and have a separate charger for charging the batteries in a Rv or fifth wheel trailer with the usual loads, ie tv satellite etc
I have six six volt batteries in paralleled and series for three 12volt.

Appreciate your thoughts.

Also which is the most reliable doing a load test with fully charged or testing with a hydrometer? my load test shows the batteries strong but the hydrometer shows them good but on the low side.

Thanks in advance for your responses
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Old 10-06-2018, 05:12 PM   #2
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Most newer inverters like the Magnum series have very good chargers built in. The hydrometer readings will tell you the state of charge. If they are low, your batteries need charging. The load testers that put a load on a battery for only a few seconds only tell you if the battery is capable of producing enough current for starting a vehicle. For house batteries you have to put a known load on for several hours.
1993 Tiffin Allegro Bay 32'
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Old 10-06-2018, 05:39 PM   #3
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Most name brand inverter/chargers have excellent 3 or 4 stage charging sections.

They also have adjustable setting and high amp charging output. Up to 100+ amps.
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