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Update We're back from the trip and I no longer have the AC to thrash my Inverter/Battery against. So I put the regular 20a outlet whip back on (2x 15a recepticle, 12ga wiring). I can plug a 1500w resistance heater in and it works without complaints. I can plug my vacuum in and it will...

Cut the 3' 2 gauge cables in half and used the 18" lengths to connect directly to the battery terminals. It still drops down in voltage (23.3v lowest observed at the terminals) and the inverter restarts. This has been today's episode of "Wasting time on disingenous people".

Complaining that it doesn't work as advertised. Yes.

Didn't get a chance to video it until today since we have other irons in the fire. It's a lot easier to throw the extra inverter in the trailer than it is to set everything up for a quick video. The leads were connected to the battery. Voltage dropped to an indicated 10.6 volts at the battery...

So we're at the campground and it's temperamental even with two inverters in parallel. Signs pointing back to the battery because when the charge is above 50% we have more successful starts than when it dips below 50%. Charging off the generator works fine (Westinghouse 4500). Charging + AC is...

The 6' 4awg wires came with the inverters, and are between the inverters and busbar. Then 2awg 3' wires connecting the busbar to the battery are cables I bought locally. Initially I just had the factory 6' 4awg wires connecting the one inverter to the battery. There were a pair of little...

Not sliding around so much as I just pushed it out of the way. Definitely not torqued enough, point taken. These are just the factory 6' wires, straight out of the box. should be less than a volt of drop across them.

Just tried this with one inverter, no joy. Had it set as low as it would go (40v). I only have access to a regular multimeter at the moment.

Battery cables are 4awg. 2awg to connect the bus-bar in parallel (was series in the house). The AC out wiring was on the wimpy side at 12awg going into a normal outlet, I wanted this to work before I started cutting up the RV power cable I bought. Should I have cut off the tinned ends?

Ok, so 2 inverters in parallel got it running. Battery firmware update clearly did something positive with current availability on the battery. Load per each was 600w running. Not sure what starting was. It really seems like 3000w (6000w surge? for 5 seconds?) should have been enough. I was...

I just recorded a video of it, and I think that the battery firmware did shift the problem to the inverter. There is a noise in the inverter when the load hits, and the inverter reboots. I didn't see a change on the lights on the battery. This isn't the behavior I thought I observed yesterday...

The inverter/battery work in the trailer too, just not for the AC load. It does the lights, microwave, fan, chargers plugged into outlets, 12v charger, etc. It will start a vacuum if nothing else is hooked up, but will not start the vacuum if there's any other load on the system already. Before...

>install a soft start for the ac If it was my trailer, or if the soft starts weren't $300, I'd definitely be doing this.

I have an EG4 3kw inverter and a single lifepower4 battery. It runs as a backup for the networking equipment in the house with a steady 500w load. We had the opportunity to borrow a travel trailer and I wanted to be able to have the AC after "generator hours" are over. So I dismantled the setup...