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 > Your search for posts made by 'Almot' found 150 matches.

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RE: More fun with Renogy MPPT and LFP

where are you reading the voltage/amprage from? Steve Built-in display of Renogy controller. Purists here could point out (rightly so) that voltage should be measured on the battery, but my cables to battery are short and currents are low so there is no issue with voltage drop. There was also voltage measured on the load in this particular case - fridge display - it is of course lower than the one on the Renogy. Note that while Renogy voltage settings are in the Battery Parameter tab of the app - not in the Load Parameter, some of them actually control the Load terminals, like Over Discharge and Discharge Limit. It disconnects the Load terminals. Other voltages and settings are related to charging process.
Almot 11/06/21 12:06am Tech Issues
RE: More fun with Renogy MPPT and LFP

This controller has a mind of its own. Turned the load off - enough pushing Chinese fridge, don't want it to die on me in the bush. Charging battery via DC charger and Renogy. This time charging stopped at 14.3 - right at the Boost voltage. Forget those High Volt Disconnect and Charge Limit set to 14.8. At least, it stopped after 14.3, didn't try to fry it up to 15.5. Don't know how long after 14.3 it stopped, Boost timer was set to 10 minutes but it looked longer. Display reads Float 13.9, then 13.8, 13.7. My Float is set to 13.3, this is Lithium, don't need Float. Current was zero amps at this point. This isn't Flooded, with no load it will stay forever at 13.7, should read "Full", not "Float", but its firmware is not that good. This Renogy is a wet/gel/AGM controller that you "can" make work for Lithium, with some pains. Boost Charge Return was set to 13.8V - nope, didn't return to Boost at 13.7 even. Turned the Load on, fridge drawing 2A, now Renogy initiates Boost at 0.6A, rising immediately to 14.3 - the battery is apparently full, 2A load wasn't able to remove enough charge in those few seconds. I wrote about this in the very 1st thread - this controller doesn't immediately feed the battery all the current that the load is drawing, even with a lot of "sun", i.e. DC charger. It did that with PV input, it did the same with DC charger. There was no need to feed the battery anything now that it's full, but Renogy played this trick earlier with PV when battery wasn't full, see my other thread https://www.rv.net/forum/index.cfm/fuseaction/thread/tid/30245717.cfm.
Almot 11/04/21 07:44pm Tech Issues
RE: More fun with Renogy MPPT and LFP

Follow-up. Can live with Renogy controller and the app but it sucks. Steve, there are 2 tabs in the app Settings screen: Battery Parameter and Load Parameter. Tap the Battery Parameter. My Renogy is Rover 30, maybe yours doesn't have these settings? On to testing the controller. There is an LV disconnect and an LV "alarm" - a single beep. High Voltage protection doesn't seem to work. Boost timer (set to 10 minutes for LFP battery) doesn't seem to work either. 1) Over-discharging. Set Low Volt Warning to 12.7, Discharge Limit to 12.6, Over Discharge to 12.6. Probably "Over Discharge" is LVD. Tapped Read on the app - it doesn't tell the truth until it talks to controller first, double-checked that the settings on the actual controller are same as in app - some were not, had to set them on the controller. After getting down to 12.7-12.6 and sitting there for an hour it beeped once - wouldn't have heard it if TV was on - and disconnected. 2) Over-charging Hooked up 15A DC charger to where PV should be connected. Boost set to 14.6, High Volt Disconnect to 14.8, Charge Limit to 14.8 (don't ask me how HVD is different from Charge Limit). Voltage climbed to 14.6, then I left it unattended, the Load got disconnected and Renogy kind of "locked" - blinking "high voltage" with display reading 13.3, charging current less than 0.5A. Unplugged DC charger, Renogy display immediately reads 14.8, then goes down to 14.4. App reports that the highest voltage was 15.5. Battery survived - yay! I think that DC fridge did the disconnect - there is no real manual for the fridge but DC devices often have 15.5V protection.
Almot 11/03/21 06:30pm Tech Issues
RE: More fun with Renogy MPPT and LFP

I have never seen a controller which actually shut down the draw on the batteries and certainly doing so at 12.6 would make absolutely no sense. Even fully charged batteries could easily drop down to that level with just a compressor fridge and another load such as a furnace blower. Instead it is highly likely that the compressor refrigerator/freezer has a shut down when voltage drops to somewhere around 11.0 - 11.5 volts. If that happened right away then your initial battery charge was low and/or the wiring to the refrigerator was insufficient. The load was connected to Load terminals. This is what they do, disconnect (or not) load from the controller. The battery is LFP, it has 20% SOC at 12.5V. I set LVD slightly higher to 12.6 - or I thought that I did, see the explanations about the app, LVD and Discharge Limit. Thin wire to the fridge and controller cutting off at 11V means that the fridge was at 10.5V at that moment. Should've cut off at 12V measured at the fridge - which would've been ~12.5 measured at the controller. There was supposed to be 2 levels of protection - fridge and Load terminals, but none worked. Actually, 3 levels if you count the "low voltage alarm" that apparently is not an alarm but a "warning" in the way of a blinking LED.
Almot 10/30/21 12:32pm Tech Issues
RE: More fun with Renogy MPPT and LFP

so did you change battery types and go back and not realize that things had reverted? all the numbers you gave above looks like this happened. I wonder if it resets when you take the power off also? Ill have to play with mine and see. Steve Settings change only in User battery type. In Flooded, Sealed etc they are fixed, you can't change those. I didn't change battery type during the initial test. Regardless, the app is confusing and has glitches. What you enter in the app, isn't always what is set on the controller. You can change settings directly on the controller by holding the right arrow until it starts blinking. Then you scroll through the screens by pressing the same right arrow once, and change the values by pressing the Up or Down arrow. It doesn't show all the settings - the app has more - and some values that you see on the controller can only be changed in 0.2V increments, not 0.1, and some are unnamed - say, it shows 12.0 and 12.6 (obviously some low-voltage point) but it doesn't tell whether this is LVD or what. App requires manually "finding" the correct Bluetooth every time you turn the phone On, and entering password every time you want to change settings. Same password for all the thousands of users. It's easy to incidentally change the battery type while doing programming - but this wasn't the case with my 11 V puzzle. Most likely it was a confusion btw the (not clearly named) LVD in the app and the other "Discharge Limit", and also the fridge cutting off way lower than it was supposed to. After you've done and saved the settings by holding the right arrow, they are stable.
Almot 10/30/21 12:20pm Tech Issues
RE: More fun with Renogy MPPT and LFP

If you are running into low voltage issues.... need more battery. I wasn't interested to see how long the battery would last. It was testing of the load itself, the fridge. Battery wasn't half-full and there was no charging at any time. What pissed me off was that Renogy allowed $600 battery to drop as low as 11V, rather than disconnecting the load at 12.6V as per Renogy settings. Possible reason: confusing Chinglish of the app with no LVD but with "Discharge Limit" and "Over Discharge" instead, the former being a mystery and the latter (probably) an inept name for LVD. I thought that LVD was a "Discharge Limit" and set it at 12.6, but the LVD apparently was an "Over Discharge" (set below 12, don't remember now). Also, settings in User-defined mode would revert back to defaults if I dial in a different battery type, ex. Gel or Flooded and then return it back to User-defined mode. If you do this, all User settings are lost - LVD would change to 11V, Boost time to 120 minutes and Temp Comp to 3C. Very dangerous. But, hey - who would ever change their battery, right?
Almot 10/30/21 01:01am Tech Issues
RE: More fun with Renogy MPPT and LFP

The load terminals on my Blue Sky are used as a "sun sensor" switch. Perhaps yours are too? Load terminals are in "Manual" mode, switched On and Off manually. It was On. Other modes are Automatic aka sun sensor - switching On when sun comes up, and Automatic+Timer. Load terminals didn't disconnect, fridge was cycling until the battery dropped to 11V - it was supposed to do LVD 12.6V AND give low-voltage warning at 12.7V. The app says "Alarm", the manual - "Warning", so could've been just a blinking light, no alarm. Lost in translation from Mandarin. I think the fridge disconnected at 11V, not the Load terminals. Other users complained that this fridge does LVD at 11 no matter whether you set it to 9 or 12. Battery BMS has 10V LVD, so it didn't come to this. StirCrazy - yes, I got the Bluetooth dongle and app. Paid CAD 20 or so on Aliexpress, Renogy wanted CAD 49. Without dongle you can only switch between pre-program settings for AGM, FLA, Li and User-defined. All modes have Discharge Limit 10.6V and LVD 11V. Maybe somebody could explain what Discharge Limit is and how it can discharge to 10.6 after Load was disconnected at 11. In User mode you can change these values. In the app there is no LVD (!) but there is Discharge Limit and Over Discharge - the latter must be LVD. It is possible that I set LVD below 12 - called misleadingly "Over Discharge" in the app, and what happened to mysterious Discharge Limit set to 12.6 I don't know, since LVD aka Over Discharge had kicked in at 11. They could've used same terminology in the Manual and the app. After I'm done with the fridge, I'll experiment more with Discharge Limit and Over Discharge.
Almot 10/29/21 03:14pm Tech Issues
RE: More fun with Renogy MPPT and LFP

Don, the fridge is drawing 2.5-4.5A when cycling. Renogy load terminals are rated 20A.
Almot 10/29/21 12:36am Tech Issues
More fun with Renogy MPPT and LFP

Toying with a new to me 12V compressor car fridge. Cheap Chinese box, LG compressor, 50L volume split ~28L fridge, 22L freezer. The goal was to see whether my added insulation made any difference: Reflectix taped around the box, and an ugly cover made of an old bed spread - it had some "fur" inside. Fridge draws >34AH per 24 hrs at 75F ambient, though in defence of a cheap box I should say that the freezer bin is huge and set to -2F. Fridge set to 39F. Fridge connects to Load terminals of Renogy, Renogy connects to 12.8V 120AH LFP, LFP connects to nothing, partially charged. Busy with other things, I suddenly noticed that don't hear quiet "purr" of the fridge. MPPT is blinking "battery problem", voltage 11. Renogy Load terminals were supposed to cut the load off at 12.6V, - they didn't. Renogy Low-voltage alarm was supposed to sound at 12.7V, - it didn't. Independently, darn ice box didn't cut off at 12V either - downstream from MPPT on a thin #18 cable it reads lower voltage, so LVD 12 is a-okay, only it didn't cut off. Yeah, I know, buy Victron, I've been warned. Still curious whether I did something wrong, other than buying Renogy.
Almot 10/28/21 10:21pm Tech Issues
RE: Travel insurance for Canadians

I do not live by the directive of an insurance company....thank god Meaning, don't have any health insurance?
Almot 10/18/21 04:50pm RVing in Mexico and South America
RE: Border

Moisheh - yes, Skymed is the one I found that flies to "home hospital". Costs $400-600 a year depending on how long you live abroad. And - thanks to Silversand - I looked into their Covid regulations - they won't take you if you're tested positive. You don't need a hospital if you're tested positive with no symptoms. In obscure Baja I will likely have symptoms first and then travel hundreds of miles to confirm it with the test but this is another question. What I would LOVE to do in this case - and you'd better consider it too - is the Regen-Cov shot to prevent hospitalization. In Canada they give it to "high risk groups" with mild to moderate symptoms, high risk being defined as age 50 and older regardless of health condition, or age 18 and older with heart problems, diabetes, obesity and other things. US are more generous and give Regen-Cov to high-risk groups who have no symptoms but are either tested positive or tested negative but were exposed to confirmed infected person. Travel insurance probably won't cover me for this shot. The drug itself costs $2,000, plus the cost of administering it. I wouldn't mind paying for it in Mexico but nobody could tell me if it even exists there. I'll pm you with more questions if you don't mind.
Almot 10/13/21 05:12pm RVing in Mexico and South America
RE: Border

Looks like the US are moving to where Canada has been for several weeks now, i.e. open border, forget the "essential" like truck drivers etc, all travellers need to be vaccinated. What happened to the epidemic, I wonder :). Last week the "Delta curve was not where we want it", they said, and now - voila, it's there. The "man" has been saying all along to follow the science. Had they followed it, Canadians should've been allowed several weeks ago and Mexicans wouldn't be allowed until February - this is where their projected vaccination rate is supposed to reach 70%. We'll probably never know what has been delaying the border opening for the last few months and why it is now opening on both North and South.
Almot 10/13/21 04:28pm RVing in Mexico and South America
RE: Border

Silversand - Medical Air Services Inc don't sell evac insurance, they only arrange logistics with carriers. Unless you pay out of pocket, it's up to the insurance plan who they will hire for evac. I've looked into evac plans both as a part of insurance and standalone evac's from $50/year to $400/year, they mostly vary in where they take you to. Vast majority - especially those included in medical insurance - will take you to the "nearest suitable hospital" which would be $$$ US or CIMA (the latter is not for "poor Mexico", they charge almost like a US hospital). $400/year standalone evac will take you to the city specified in a contract, but this is only evac, treatment not included. I wonder whether any private hospital in Baja or Baja Sur even has Regen-Cov on hand. Another thing with evac plan - you can't ask to be flown to the US where they will give you Regen-Cov infusion when you have no symptoms but tested positive, or to Canada where they give Regen-Cov when you are tested positive and have at least mild symptoms (Canadian system is greedier). Nope. You must be hospitalized to be eligible for evac - can be a cot in a shack, anything, as long as there is a Doc to certify your condition. In plans where evac is a part of medical insurance, it is the same - you must be in danger to lose your life or an organ if not treated within 24 hours (if memory doesn't fail me).
Almot 10/12/21 06:02pm RVing in Mexico and South America
RE: Border

Moisheh, I looked at Bidbuy pricelist on their website: https://www.bidbuyimporters.com/wp-content/uploads/2021/09/1.-Snowbirds-Summary-1.pdf. CAR/SUV/Pickups, Abbotsford to Bellingham Airport (San Juan Terminal) broker/import fee $889.60. San Juan Air is a separate entity, "Canada -> US: We do not do scheduled international flights at this time. Please see our charter options". http://sanjuanairlines.com/charter/ $510 charter 3-seat Cessna Abbotsford to Bellingham. Maybe (maybe) they have a 5- or 7-seater from Abbotsford to Bellingham, and if (IF) it's packed full, you pay $80. For sharing germs with 6 people in a small cabin on the 1st day of a long trip with difficult return options. What are you going to do if you get sick with Covid in Kino, even if you have Covid rider in travel insurance? You can't just get in the car and drive north. Can't hop on the plane in HMO either - not without negative antigen test. Alright, there is that CIMA hospital. There is nothing in Baja, I've seen Tijuana private hospitals and wasn't impressed. Tijuana public hospital you wouldn't want to set your foot in.
Almot 10/11/21 05:23pm RVing in Mexico and South America
RE: Border

"End Of U.S. Travel Ban Hits Complications–Might It Be Delayed?" https://www.forbes.com/sites/alexledsom/2021/10/10/end-of-us-travel-ban-hits-complicationsmight-it-be-delayed/amp/ Although the above is about flights it probably applies to land borders. Not looking good. At this rate it might never open. I told you, they are not ready :). FB group on CAN-US border issues are talking about US struggling to meet Canadian PCR test requirement, people tested within 72 hours can't get results before their flight (or Americans now before their drive to Canada), or can't get an appointment on time, many locations are appointment-only. UK require PCR test too. This is still not the reason for land border closure, car traveller has no flight to miss, will spend another day in the US and drive. Just shows that they are not prepared. I'm not buying the relation to South border illegal immigrants, those are not using designated crossings or documents. Might cause the shortage of manpower at the North border, but the main problem is they are not prepared to process legal travellers under these new conditions. Meanwhile, cheap car-shipping at BC-WA border is sold-out until December. Bidbuy is available but not cheap, $890 for just a car without RV, plus $510 for 3-seat air charter.
Almot 10/11/21 12:01am RVing in Mexico and South America
RE: Border

this is interesting, a *charter* from Tijuana TIJ to SDM municipal (just a 14 minute flight). On a twin turboprop Beechcraft King Air 90 today; the company owning the aircraft is: TVPX AIRCRAFT SOLUTIONS INC: Takeoff: TIJ TIJUANA, MEXICO FRIDAY 08-OCT-2021 17:10 PDT Landing: SDM SAN DIEGO, CA FRIDAY 08-OCT-2021 17:24 PDT The tail number on this aircraft is: N94BA All this aircraft's registration, ownership and details are here--> Interesting. How do you find these flights? Charters that I could find in TIJ don't tell anything until you fill the form with your name, date, email and number of passengers. If they only fly on-demand and the demand is low, it means you either pay for all 7-8 seats or get marooned in Tijuana until somebody else flies - and then maybe pay for return empty leg too. Flightradar 24 shows that last time they flew this route 2 days ago, so not the highest demand.
Almot 10/09/21 08:39pm RVing in Mexico and South America
RE: Border

Moisheh, I'm going from Vancouver to Baja and back. For shipping a car, the closest return airport on Mex side is TIJ. All commercial flights from TIJ to USA go via Mexico city or Guadalajara, 10 hours trip to LAX. Flight TIJ-Vancouver via the same Mexico city is only 1.5 hour longer, might as well forget about car. Going South is easier yet, direct flight Vancouver - San Diego. Calexico isn't bad for driving to Vancouver from, but again, all commercial flights to the US from Mexicali go via major hubs like Guadalajara or Mexico city. Minimum 10 hours flight to the closest commercial airport. Need a charter, but this route is not as heavily trafficked as Can/US border where shared charters are full every day and therefore cheap. Car shipping and charter sucks anyway, much pain, much time lost. Maybe I will be able to drive North in Spring, maybe not, who can tell? There is some logic in domestic restrictions in Canada - doesn't bother me, I'm vaccinated. But there is no logic in keeping the US border closed. It hurts both economies and has nothing to do with the epidemic, there are 4 times less new cases per capita in Canada than in the US.
Almot 10/09/21 08:16pm RVing in Mexico and South America
RE: Border

....I see three (3) flights from YHU to Plattsburgh (PBG) this morning...a Pilatus PC12 (9 passenger), a Beechcraft Super King Air 350 (11 passenger) and a Beechcraft King Air 100....things are ramping up with snowbirds fleeing south :D Must be charters, I don't see commercial flights on kayak.com. Market is driven by snowbirds destined for the US. Car from Ontario to to Buffalo plus private helicopter on the same day costs $1,900. What I am looking for is similar options from Mexico - Tijuana or Mexicali.
Almot 10/07/21 06:21pm RVing in Mexico and South America
RE: Border

Almot: Are you using Tijuana because you will be in Baja? Playaboy should be able to take your rig from Mexico to the US. Personally I cannot think of a worse place to cross than TJ. Yes, in Baja. Don't need my rig taken to the US, only a car. Can Playaboy take it from Tijuana to SY on specified date and provide a shared charter on the same day to meet my car? Btw, how are you going to take your rig and pickup from Mexicali to the US?
Almot 10/07/21 06:03pm RVing in Mexico and South America
RE: Border

Curious why the discussion of Tijuana hasn't included the rail from San Ysidro to San Diego. Doesn't Air Canada fly nonstop from San Diego to Vancouver, BC? It flies, but the US land crossing is closed for non-essential travellers. Can't drive from Tijuana to San Ysidro, can't take a bus, can't walk.
Almot 10/07/21 05:56pm RVing in Mexico and South America
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