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Found 2 results

  1. Two months ago I installed 2 new deep cycle, 6 volt golf batteries from NAPA in my Class A. I thought my battery problems were solved, but not so. All was fine when I was spending most of my nights on shore power for the first 4 weeks (right captain obvious). In the last month I have been dry camping and running the generator every 2-3 days. Then the refer started giving alarms about low voltage... at about 11.8 volts about a week ago even though I had ran genset 24 hours earlier. So I read some RV books and decided to hook up MH to shore power for 18 hours. Sure enough the voltage now reads 12.6 BUT the specific gravity sets at 1.12 which indicates the need for recharging... Color me confused! Should I have gone through some break-in procedure for these new batteries? What am I missing? How long should the genset run to properly charge the these deep cycle batteries?
  2. This seems to ALWAYS happen, even with 3 different brands/types of so called "Smart Chargers" I've used. When driving down the road my Chevy alternator and engine battery gets coupled up to my 4 golf cart house batteries. The coupling is via a new quality 4 gauge cable about 6/8 feet long and a new mechanical isolation relay connected to the engine battery. Okay so I'm on the way to Florida and drove maybe 6 hours today at which time a digital voltmeter on the house batteries registered all day in the 14. 2 to 13.9 volt range as Id expect. SOOOOOOOO you would think the house batteries would be pretty well fully charged after 6 hours at 14+ volts. BUTTTTTTTT when I park dry camped and maybe have the genset running (or if I were to plug in) my Progressive Dynamics 4 stage Smart Charger (old Xantrex acted same way) kicks off immediately in FULL HIGH CHARGE like 14.4 etc. as if my house batteries were fairly low. Why have 2 or 3 different "smart" charges acted that way even if I drive 8 hours and battery voltage is around 14 all day??????? I would think when I plugged in the smart charger would go to more like the 13.6 Absorption charge or even the 13.2 Float INSTEAD OF FULL MAX CHARGE which it does if batteries are low HOW ARE THEY LOW IF AT 14 VOLTS ALL DAY???? I know the engine alternator isn't real "smart" as my better quality AC Chargers are, but its like driving all day with the batteries at 14 volts adds nothing to them??? Im a retired Electrical Engineer but more in the AC Power Distribution area then DC electronics so Im puzzled. John T Coming to you live currently in High Springs Florida headed more south tomorrow.
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