We've been using our (mostly) Victron RV Power System for several months now, and it has performed VERY well!

Our Current Setup

You can see the full details (and video) here in our RV Solar Install and RV Inverter Upgrade Articles, but here's a quick list:


This was our first time designing and installing an RV Solar Power System, and (after the tweaks and fixes below) is VERY solid! However, with any project comes learning and there are some things we'd do differently from the beginning.

First and foremost is DC Voltage. The DC systems in our RV (like most) are 12V. But, the storage system (batteries) can be wired for higher voltage to feed the 3000W inverter. This would reduce the DC Amperage, allowing smaller wiring and producing less heat. In any future setups, we will use 24, 36, or 48 volts for this. Of course, before being sent to the RV DC bus, it would need to be down-converted to 12V.

Secondly, we'd use different batteries. We'd still use BattleBorn, but rather than the 100Ah units, we'd use the larger form factor batteries like the 270Ah Game Changers. This would give us a little less weight, a smaller footprint, and less wiring.

Post-Install Issues Resolved

The first problem we ran into was getting our CerboGX connected to our WiFi (to get to the internet). The first time we were parked with lots of RVs, all of the Wifi interference was inhibiting its connection. The best fix for that is to hard-wire it to our network using an ethernet cable. Simple to say but difficult to implement! We ended up using wiring paths from our Solar Install and our Internet Install to get the wire from our front bay to the office. One hard-wired, we've had no connectivity issues.

The second issue was with our Generator. Our generator can supply up to 45 Amps (5500 Watts @ 12V) of power. However, it's not just a single line of 45A, it's two lines of up to 30A (still a max of 45A combined) feeding the ATS (Automatic Transfer Switch) which feeds the Inverter and the entire RV. The trouble is, when the inverter sees two in-phase AC connections, it drops line 2, using only line 1. It then powers both lines using that single input. The end result was we were only able to use 30 of the 45 amps available from the generator.

The fix was very simple. We wired the two perfectly in phase outputs in parallel before it goes into the ATS. AC power sources can be wired in parallel as long as they are in phase and have the exact same voltage. Since those two lines come off the same alternator (generator), they will always be in phase and have identical voltage. The end result of this parallel wiring is that any downstream load will be split evenly across the two lines. Additionally, our inverter can now properly power share anything over the 45A. PERFECT!

⚠️⚠️ UPDATE! THIS SPLICE is a MUCH BETTER OPTION for the wiring of L1 and L2: amzn.to/3DXemK6…

Links 🔗

Products 🛒

These are the major components, but you see the individual blog post links above for the FULL Inventory of gear.

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