Final check on my 1200ah/2400w 12v system installed on a 33ft Winnebago...
Currently building a large 12v system on the roof of a 33ft Class A Winnebago currently at 30a. Since I have no design experience, I paid to have it designed by a well-regarded source (Autarky...
View Article4 panels ...Series/Parallel??
Looking for advise. I have four EcoWorthy 100w panels and a 40A EPEver solar charge controller feeding two 100aH Lithium batteries. Should I use Series or Parallel or a Series/Parallel configuration on...
View ArticleRV wiring improper?
Inspecting my RV wiring found the incoming 30 amp AC service having the ground wire connected to the ground bar. There is then a bare ground that connects the ground bar to the steel RV frame. The...
View ArticleClik here to view.
Noob question for van system
Hi, I'm eyeing these batteries from BatteryHookup.com. Would these be a good way to go for a van build? They seem like a great price for the roughly 14Kwh battery bank I'd like to build. 4 New EVE 3.2v...
View ArticleInfo only: 2021 Tacoma amp draw and alternator loads tested
This thread is just for reference for those looking to use excess alternator capacity to charge a battery. Other cars should have similar loads to this Tacoma for lights, airco, radio, etc. 21 Tacoma...
View ArticleWhat else does your ‘Vehicle Mounted System’ do for you?
So I think that most to this section are RV based Solar enthusiasts. What else other than your RV travels does your investment In Solar do for you? Mine? Powers our second refrigerator 24/7/365 A cord...
View ArticleBest way to perform a "restoration charge" on my van "house" Firefly G31...
I have a small van that I installed a single 116Ah Firefly G31 battery ([https://fireflyenergy.com/oasis-mcf-g31.html](https://fireflyenergy.com/oasis-mcf-g31.html)) in for my camping adventures. I...
View Article100w panel discussion and my future system. Advice needed
Hi guys! I’m planning on ordering panels within the next month. Ive gone over several solar set up ideas on paper for the build. With this idea being the one that makes the most sense. I’m planning on...
View ArticleTwo 48V banks in series for 96V with Off-The-Shelf Equipment
I am planning a solar/electric powered boat. The plan was a pair of 6kW arrays, each running through a EG4 6500W inverter/charger to a pair of 40kWh, 48V banks. The problem is the 55hp, AC-20 motor is...
View ArticleClik here to view.
New years resolutions: loosing weight in RV 190AH lead replaced with 100AH...
My Class A AGM batteries started to loose capacity especially when cold. So I got my self one of the newer group 24 LFPs. Elefast 100ah with Bluetooth. My 12V system does only provide power to the...
View ArticleTall and narrow 200w rigid vehicle solar panel?
Is there such a thing is an other reliable 200W rigid vehicle solar panel that occupies dimensions closer to 60" X 21." Most I've seen are shorter and fatter. TIA
View ArticleSome guidance needed.
I'm 69 and have built many things in my life but this is all new. I have a Alu-Cab Canopy camper coming and I'm doing its install. I'm planing ? 200-400W on the roof and 230-460amp of LiFePO4, Looking...
View ArticleClik here to view.
WOW! Absorption fridge vs compressor fridge
I did a 24 hour test of my 2 fridges in my toy hauler. this is measured at the 12v battery using a 1000w inverter no other DC loads. Absorption fridge - 514ah (6737wh) compressor fridge - 74ah (984wh)...
View ArticleTacoma inverter (truck-bed 120vAC 400w) not accepted by power station solar...
I have a Pecron e1500LFP power station, that I was going to use in the bed of my 2021 Toyota Tacoma as my popup camper power solution. Tacoma has an inverter that powers a truck bed 120vac 400w plug....
View ArticleDc-Ac-Dc charging in vehicle
So ive mentioned it a couple of times but finally snapped a couple of relevant pics during an experiment and decided that was a good enough reason to post. I have experimented with rectifying 120v and...
View ArticleTell me how please
Hi: Allow me to express my goals--or at least what I think are my goals--in the hopes that those in the know (thank you in advance) can recommend products to accomplish this. Links are greatly...
View Article12vdc solar controller seems to work but not charging ?
how come my solar panel out put is 30vdc in full sun , without it connected up to the controller , but when i connect it up to the controller and measure the voltage at screw terminals where panel feed...
View ArticleVanagon EV (Vanabolt) high top
Hi I have a electric Vanagon since almost 5 years now. Details in my signature. It is awesome with lot of power and nice regen to save brakes downhill. It cost almost nothing to ride with electricity...
View ArticleHow does my wiring diagram look?
This will be going into my Chevy express. Any feedback is appreciated. Battery: SOK (built in Bluetooth) Inverter: Victron phoenix 12/1200 Dc2dc w mppt: Renogy 50A (I’ll be installing a solar panel in...
View ArticleBatteries died and will not accept charge. Help!
Currently on a road trip from North Carolina to California and my batteries have died (current voltage is 4.5v). Wole up this morning, turned on the coffee maker and went into the store. When I came...
View ArticleActive Current Limiting BMS - Alternator protection option?
Hello, I found this video from off-grid garage reviewing a SEPLOS BMS. It seems like it has a configurable active current limiting feature. He describes it as PWM circuit. A battery with something like...
View ArticleClik here to view.
Fridge advice and guidance.
My Norcold has turned into a Nevercold . I'm looking primarily at the conversion kit to add a compressor kit to my existing fridge. Second choice may be replacing the whole fridge with a RV specific...
View ArticleNewbie needs help sizing
Hi gurus. I’ve been spending money on batteries and inverters that I thought I researched well. Uh, no. I’m in a Dynamax super C with a large residential fridge, needing to boondock. PO put in 900...
View ArticleSolar Panels on a Tesla
A couple of years ago Curioscarbon discussed putting solar panels on cars in the “Can the electrical grid handle a boom in electric vehicles “ topic thread. Well someone actually did just that! No more...
View ArticleBest AIO for limited space in RV?
Current setup: 3000w/24v inverter 4 x 12v100ah lifepo4 batteries (2s2p) Renogy 40a and 20a controller Genrac 4000exl generator My question is what would be the best upgrade situation. My goal is to...
View Article600W Solar with all-in-one Alternator Charging?
Hi, I'd like to use the system outlined by Will with the Renogy all-in-one DC to DC/MPP system with 600W of solar but he warns: "This charger can handle 600 watts of solar power no problem, but stick...
View ArticleHow do you ventilate and heat the van? Aren't the two at odds with one another?
For reference this is for UK weather and using diesel (aka dry) heating. Isn't that like putting on the heating and opening all doors and windows? It seems extremely wasteful no? Currently I see...
View ArticleFirst RV upgrade 30A 5th wheel
I have a diagram started for this project that needs tweaking-I'm sure. While trying to size the wire and fuses I find cable charts that rate 4/0 90'C @ 260A and others @ 440A. I am new to lithium and...
View ArticleAnother RV thread
I have upgraded my travel trailer to a larger 38' travel trailer (2x ACs now) with a 50 amp service vs the 30 amp service I had in the past. In my old TT I had a manual transfer switch, 2x 12V...
View ArticleDual Charging Opportunity with Solar and Vehicle Battery
If I have a main battery that is connected to solar through a Victron charge controller and another 12 volt battery that is in a vehicle and I want to connect the two batteries so that if the vehicle...
View Article
