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 > Electrical Upgrade Made Easy

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RetiredBeanCounter

Durango, CO

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Posted: 09/06/19 10:36am Link  |  Quote  |  Print  |  Notify Moderator

Just finished the lithium/inverter upgrade in my camper. It took a couple of hours and was so easy.

• Drop in as many lithium batteries as the battery compartment can hold, and keep existing DC cabling.
• Run a fused 2/0 positive and negative cable from batteries to the inverter
• Replace the solar charge controller with lithium compatible one (keep existing cabling)
• Cut the cable running from the automatic transfer switch to the AC breaker box and plug the two ends into the inverter.
• Done

Air conditioning, microwave, and all AC outlets work, and shore power and generator charge the batteries. It just seemed too easy. I have no electrical background so maybe I have it wrong.

Three 100ah Battleborn batteries
Victron Multiplus 3000 (Pre-programmed based on batteries)
100/50 Victron MPPTs (Pre-programmed based on batteries)


2020 Eagle Cap 1165, 2019 F450 Regular Cab

phemens

Montreal, Canada

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Posted: 09/06/19 11:51am Link  |  Quote  |  Print  |  Notify Moderator

Nice! I did the same with lithium batteries and a Samlex unit. You'll be very happy with the performance no doubt.


2012 Dutchman Denali 324LBS behind a 2006 Ford F-250 V10 out of Montreal
1 DW, 1 DD, 1 DS, 2 HD (Hyper Dogs)
1Kw solar, 500 AH LIFePO4, Yamaha EF2000 gen, Samlex 3000w Inverter

work2much

Jackson Ca

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Posted: 09/06/19 12:14pm Link  |  Quote  |  Print  |  Notify Moderator

Pretty much what I did aside from I removed the transfer switch since we don't use a built in generator. I also removed the stock converter charger since the new inverter charger has a transfer switch built in for when we are plugged in and it takes care of charging duties.

Depending on what kind of charging and inverting loads you are asking from your Victron make sure that it has good ventilation.

Enjoy.


2017 Ram 3500 Laramie CTD DRW Crew 4x4 Aisin 4:10 Air ride.
2018 Host Mammoth. 1080 Watts solar. 600 AH usable LFP battery. Magnum 2800 Watt inverter.
2018 Jeep Wrangler Unlimited toad.

camperdave

northern, California

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Posted: 09/06/19 12:17pm Link  |  Quote  |  Print  |  Notify Moderator

I'll assume there was one more step, remove the existing converter.

That's a sweet inverter setup. All in one charger, inverter, switch yes?

Did you retain any charging from the truck to the camper? Probably don't need it with the solar, right?


2004 Fleetwood Tioga 29v

RetiredBeanCounter

Durango, CO

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Posted: 09/06/19 12:23pm Link  |  Quote  |  Print  |  Notify Moderator

work2much wrote:

Pretty much what I did aside from I removed the transfer switch since we don't use a built in generator. I also removed the stock converter charger since the new inverter charger has a transfer switch built in for when we are plugged in and it takes care of charging duties.

Enjoy.

On my exiting converter, I just flipped the 15 amp breaker in the AC panel that goes to the converter to off, since this is no longer needed. I am not sure that I needed to do this, but it is redundant so I did.

RetiredBeanCounter

Durango, CO

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Posted: 09/06/19 12:28pm Link  |  Quote  |  Print  |  Notify Moderator

camperdave wrote:

I'll assume there was one more step, remove the existing converter.

That's a sweet inverter setup. All in one charger, inverter, switch yes?

Did you retain any charging from the truck to the camper? Probably don't need it with the solar, right?

The charge from the truck, I kept as it. I have duel heavy duty alternators so I assumed they could stand it. The concern might be the existing cabling since I would assume the lithium will pull a bigger charge, but it is fused and seems to be okay.

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