Yamaha ef2000 charging the batteries
We mostly dry camp. For years I have been keeping the batteries charged by plugging in the trailer power cord to a small Honda or my new Yamaha 2000 watt generator. Trailer has a 7355 Parallax conver...
Forum Discussion
You can get more amps from the 7355 than from the gen's DC charger, which does about 8 amps. Ignore that 0.5 amp thing which they explain is phoney.
The limitation of the 7355 is its voltage of 13.8 when you want 14.8 or at least 14.4. You should be getting anywhere from 35 to 25 amps at first from the 7355 depending on how far it is from the battery bank and the wire gauge they used.
The 7355 will do 55 amps when used as a power supply with good wiring for the amps. EG, run something from the inverter that draws 100 amps and turn on the 7355, and amps drawn will show as 45, indicating the converter is supplying the other 55.
But on a battery it can't do that because the battery voltage when being charged gets up close to the 7355's 13.8 so not enough voltage diff to make for high current. You need a charger that will run in the mid- 14s to make a wider spread between the two voltages and get the high current.
There are several choices for which converter or charger that would be. Each brand has its own fan club :)
The limitation of the 7355 is its voltage of 13.8 when you want 14.8 or at least 14.4. You should be getting anywhere from 35 to 25 amps at first from the 7355 depending on how far it is from the battery bank and the wire gauge they used.
The 7355 will do 55 amps when used as a power supply with good wiring for the amps. EG, run something from the inverter that draws 100 amps and turn on the 7355, and amps drawn will show as 45, indicating the converter is supplying the other 55.
But on a battery it can't do that because the battery voltage when being charged gets up close to the 7355's 13.8 so not enough voltage diff to make for high current. You need a charger that will run in the mid- 14s to make a wider spread between the two voltages and get the high current.
There are several choices for which converter or charger that would be. Each brand has its own fan club :)
