RV Inverter Lithium upgrade

[John Glowacki]

Go Power Industrial Pure Sine Wave Inverter Charger - 2,000 Watts - 100 Amps - 12v - I'm interested in installing this unit into our fifth wheel RV, along with one Battle Born 100amp Lithium battery. The inverter would be used for very little to begin with, until I add more batteries and solar in the future. As I understand it, this Go Power unit would take care of charging from shore power/solar, 12v converter when plugged into shore, as well as 110v inverter and switch. Of my many questions: I'm looking for opinions on this Go Power unit. Are there disadvantages to this plan? If I install one Battle Born now, and add another next year, will I have a problem with unmatched batteries? Will Prowse has explained the problems with vehicle charging Lithium batteries. Would I have to disconnect the hot lead from my 7 pin RV trailer plug? I was hoping to find a DC-DC charger that was 10amp, so I could retain the vehicle charging abilities without running welding cable from my truck batteries. Lot of questions here, and I'm sure I'll have more.

 

[mkaye]

A 2000W inverter will draw over 167A @12V for full power
The battleborn will shutdown if you exceed 100A
You'll have to watch what you power from the inverter

 

[Heap64]

No personal experience with them, but go power doesn't seem to have the best regards from several folks. Good marketing department.

 

[dgjonesy]

Renogy and Victron sell DCDC chargers with about 20 A draw, not the 10A you are looking for but I think doable with a 7 pin RV trailer plug.

 

[HRTKD]

I have a GoPower PWM solar charge controller in my trailer. It does an OK job and has been reliable. I'm throwing that out there to say that I haven't encountered any problems with _my_ GoPower setup that I've had for about 3 years. It charges dual 6v Trojan T-105 batteries. I get no more than about 6.9 amps of charge from my 170 watt solar panel. I use a 1000 watt Xantrex MSW inverter for select things like running the coffee pot, charging my laptop and charging a battery for cordless tools.

I'm in the design phase of upgrading my system and GoPower is not a brand that I'm considering. I think there are other options that are more cost effective.

That inverter/charger will not handle charging from solar. It's not a solar charge controller. I say that based on what I read on their website.

 

[John Glowacki]

I changed my plane: I ordered a Victron Multiplus Compact 12/2000/80-50 120v and two Battle Born 100amp 12 LiFePO4 batteries. I'm installing a 200amp fuse between the parallel wired batteries and inverter. The future upgrade will be 400watts of solar and a MPPT charge controller.