I reealized that adding battery without upgrading some other parts was a waste.
Haven't rebuilt the battery tray yet, but here is what ive done so far:
-upgraded the 6300Q converter charger module to the Parallax PD4655VL 55amp model, so now have improved 4 stage 12v charging...fit right into the original frame.
-it came with a new 12v distribution circuit card also
-added a Siemens 2 circuit wallmount distribution panel w 30amp breaker to the 120vac shoreline power cable, and a 15a breaker supply to the new charger
-added a BDATs-30A transfer switch between the panel and the original 120vac side of the Parallax
-added a Samlex 2000w Pure Sine inverter (PST2000-12) so I can run the microwave
(also got the remote control)
-upgraded battery cables to tinned marine 4ga (original is 8ga) with crimped and soldered connectors
-added a 200amp ANL fuse between battery and the battery disconnect
-upgraded the single battery to a Trojan T1275, it has 150AH rating
-installed a battery monitor gauge that lets me see amperage in (charging) and out (load) of the battery (monitor was cheap on Amazon and came with a shunt)
-everything fit into the under seat storage area
I can now run the 600w microwave
(950watts input) off the inverter but it a 3 minute bowl of oatmeal knocks the battery down about 5%....but at least if i ever get in a spot where i cant plug in or run the Honda, i have the option.
I measured 12v amp usage for every LED light
, fan, furnace
controller, the inverter with no load, and with load, and the T1275 should easily get me through 2-3 nights in November with fridge
on propane, and the furnace
cycling thru the nite. This was the primary goal.
While not the complete off grid solution yet, this is an improvement over the previous setup where it was marginal to make it thru one cold (0 deg Celsius) night, and we had to turn down the thermostat to keep the furnace
from cycling so much.
I was hopeful to see if i could run the fridge
on 120vac from the inverter while running down the road plugged into the 30amp charging circuit on my tow vehicle. It does but The most i can get out of that vehicle circuit is 8 amps, Due to wiring most likely, and the fridge + inverter draws more, so by the time i get to my destination the battery will be down.
I dont like to run it on propane when travelling, as the pilot blows out, and the propane tank valve is dangerously open should there be an accident! so for now i will stick with pre-cooling the fridge on shorepower at home and getting the propane on as soon as we arrive at our campspot.
With all the wiring re-done, the next phase will be to modify the tray and add more battery.
Another T1275 in parallel will give me 300 AH total rating, so 150AH actual usage. I'm going to run as is for now this fall
and get some actual usage info.
I have growth options, as the Parallax charger has a Lithium battery feature, if that ever becomes more affordable.
And based on what I understand, making the next jump to solar
just requires panels, wiring, and a solar
controller. I may try a portable panel first before going roof mount.
Sorry no diagram, Here is the wiring sequence:
30a shorepower --> dist panel with 30a breaker
30a breaker --> 30a transfer switch
--> 15a breaker in dist panel
15a breaker--> 120vac input for 12v converter/charger
Transfer sw --> supply to original 120vac dist panel in Parallax
T1275 battery--> 4ga wiring --> 200a ANL fuse --> original battery disconnect
( i considered getting a new battery disconnect solenoid but the original came with a latch lock so once the power is connected, it locks, and the solenoid requires zero draw to stay connected, versus others that continue to draw power to stay connected, and generate heat)
Battery monitor shunt on -ve battery terminal, with the display mounted on the bulkhead above the seat lid, just under the ledge where it is easily seen.
Original battery disconnect --> 4ga --> inverter
--> 4ga --> charger
Inverter 120vac output --> transfer switch
Transfer switch default is the inverter side, and priority goes to shoreline supply when it is on.
Was fun to do, i love learning this stuff, but the economics of getting less dependent on shorepower are not. Hopefully ive added some resale value to the rig.