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Question, being 5 days into portable solar, we have 2 x 100ah deep cycle batteries (not lithium.), connected in parallel. Using the victron smart shunt, battery 1 minus to tje bat minus on the shunt and all system loads connected after it on the system minus Positive from bat 1 to pos bat 2 and system loads connected via bat 2 pos. Also the smart shut pos connected to bat 2 In the Victron app, I set the bat capacity to 200ah Do I need to configure the aux to the value of mid point or leave it as none? I'm assuming using this setting is for when 2 batteries are connected in series maybe? Victron isn't clear on this in their instructions When I set it to mid, I got a high-voltage alarm. Do I need to connect the aux pos to the pos of outgoing positive load on bat 2, or bat 1 pos, or not use the aux monitoring at all?
Great Video, I purchased this controller (60 AMP Rover essentially ) for my boat and am OK with it. I use it to keep 400 AH lithium batteries charged, monitor with the BT2. My energy consumers use relatively low amperage except for the 12 volt fridge and that is somewhat low. My only issue is the Load terminals, they do not output voltage they are in the off mode all the time. It seems like the design is to output voltage when the panels are not powered (night), this makes no sense to me, unless you are simply using it for a timer after the panels stop producing. I thought the purpose of load is to use surplus energy when the batteries are topped off, that would be a great idea since the solar panels would not have any use for the solar energy after the batteries are at 100%+.
Lots of good information. Since I have limited space in my vehicle's battery compartment, I decided to go with the Victron unit due to its small footprint as well as its performance.
One things for certain, you will find plenty of people all over the internet who’ve changed from any number of these units to a Victron after the failures they have had, you will be hard pressed finding it go the other way. I switched to Victron after my “great value” Epever started smoking up in the camper after about 12 months of use. I think you will find most people that eventually land on Victron do so after bad experiences with the cheaper ones.
Renogy have a problem.... with Lipo4 batteries....i have a problem, and i see.... a lot of people have the same problem..... i have a Controller Renogy Rover Li 20 A, and i buy 2 batteries LiPo4 X 100Ah each.... bluetooth from bateries, shows me 40% and the other one 46% , and ontroller shows me always 100% ......controller settings are on Li battery standard.... if i put any other keind of batery (not LiPO) will show the real batery status, if i put a LiPo battery...shows always 100%...Renogy support.....is really slow....and not so helpfull.... what i must do? the problem goes forward...why? because the Renogy had the 4 stage loading....this mean when batterys are on 100% , will be always on **float** or other stage......u know what i mean..... what i should do?My greetings , and thanks for any answer
Hello, there is a 20amp mppt charge control. Is it efficient to connect 4 50 watt panels in parallel or in series with 44 volts in 2 groups, the system is 12 volts?
Bought an Epever 40a mppt Tracer AN and am finding that it loses its custom charging settings if the controller is disconnected from the battery!!! WTF!!! This means I have to NOT connect it to my Victron Lynx system in case I switch off the battery disconnect as the settings will then default to lead acid WTF!!!!!
I had the same problems with RFI (Radio Frequency Interference) generated by Chinese equipment. It just blanked out my shortwave radio that I used to communicate in emergencies. I had to replace the charge controller, the DC to DC converter and the 230V inverter to Victron as they were the only ones that abided by the RFI rules and regulations set by the telecommunication authority.
Hello, I have a quattro 8000VA inverter, I also have a 220 mains. I'm interested if you can set it when the 47v voltage reaches the 220 mains. Without charging from the mains. Thank you
Great explanation I have a victron 100/50 and 2 x350w solar panels, but only 1 on my caravan roof so far, the max watts it has gone to is only 190watts which I thought it would have been more, so I am going to put the second panel up. My question to you is over 5 meters what size cable I need to join and run the cable to the controller from the panels, as the controller might not fit the diameter of the cable that is needed for the 500watts all though it handles 500 watts? thanks Wes
No, it does not protect the appliances connected to the inverter (that is the job of the circuit breakers on the AC supply side). The idea behind MidNite Solar’s GFI is to stop the current flow in the event of a short from the solar PV array.
Could you explain the reason for 160A fuse size? I've always determined fuse size by taking the wattage output of the inverter, divided by the discharge voltage of the battery, multiplied by 125%.
Good question, I'm surprised more people didn' pick that up. In this case the fuse size is selected to protect the battery supply cable which is only 50mm2. The reason for this is because the whole battery system was due to be upgraded with a much larger rack mount battery cabinet (with an inbuilt 250A main fuse) plus larger 70mm2 cables after the building was finished being constructed. The intital loads are very small at less than 5kVA so the 160A fuse was adequate.
Accumulators can hold up to 3000-6000 cycles. 100ah accumulator is only 1kwt hour energy(about 1 hour of one air conditioner). Its COMPLETELY USELESS, and recycling accumulators each 4500 cycles must be very far from being "green" :)) there must be some wind and river electric generators for night, and solar for day. I have 24kwt solar panel batteryes with no accumulators, only daytime use - working well. Accumulators - NO. it will be 3 times more expensive only price of 4500 cycles and buy new one than to buy electricity from town - calculate it first
Thanks for the great review, very pro set-up. I've seen really poor MPPT from a MPP 60a charge controller. Sent it back to Taiwan. shipping cost 220 from US
Victron is overpriced. It might be good but not twice as good or three times as good as EPever or others while it costs 2-3x. Also, there are many photos of victron chargers on the internet where you can see burn out units, fuse is not replaceable so users use flex to split open the case which is glued to PCB with some Pur foam or so.
Great job explaining. I think what I have learned is to stay with Pwm and build a larger battery bank, and more panels. Thanks for helping me make up my mind. A friend told me a long time ago keep it simple and safe. John
