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Ran this Koolertron w/ 24H load function overnight and every thing checks out. This controller does everything my larger ones do only now the rain and clouds have moved in at the same time, a bit early for the PNW. Full review in time. I guess as technology improves, the smaller units will come...

Just received a 20a Koolertron controller from Amazon and I'm pleasantly surprised. Works and will test load over night. Bought it for a separate system and it has even got a solar input display. Now we'll monitor longevity. Went back to Amazon and a day later it's discontinued???

Thanks in advance Vigo... as listed on Amazon it's a PowMr 100amp MPPT SOLAR CHARGE CONTROLLER, thru Tenmank Store. I spun my wheels looking there and everywhere else, N/G. Short of contacting them via email I opted to here. The parts of the manual with the digital readout are where I'm...

I'm having trouble with the program parameters as the instructions are vague. Specifically setting the hour (day and night) mode for PV, & load - on/off. Help if possible. Thanks

All good info...your time and input is much appreciated.

Thank you Mike. Your input is most reassuring and welcomed. As the unit has run all night with +< 80% battery reserve, I'm feeling like this exercise is in the rearview mirror and getting smaller.

Thanks for your generous input. It's a little past 4 am and I'm somewhat relieved as the freezer has run through the night with some 80% left in the battery. It's about 60° from yesterday's high of 84° with full sun. Will be closely monitoring as clouds are coming and sun is waning. If the SCC...

Actually 1 is a cheapo 2 the inverter and the SCC both have meters as well and all are within a mean range. Kinda like triangulating with good results. I will look into the "Junktek" though. Thanks my friend.

Maybe coming from dragon country it's a misprint. The yellow sticker is on the front of the freezer. Does this help with the correct parameters on the unit?

I felt that the low amp reading was off as well which is the reason for my initial question. The voltage was at 100%. I'm wired @ series/parallel. The SCC is a 100 amp PowMr. A series of events led me down a path of purchases I probably should have avoided. I found on CL, 5 - 275W solar panels...

They're in series/parallel

Yes, they are lead acid golf cart batteries. I've got them wired in series for 24v. I'm trying a 2.1 cubic foot mini freezer that requires 115v - 15 amps as stated on sticker. My 4 - 275w panels are wired series/parallel giving me +< 70 voc. My charge controller reads 2.1 - 4.1 amps in the...

Trying to find how many amps, and amp hours, can one expect from 8, fully charged - 6v - 225 amh batteries wired in series?

Are solar systems vulnerable to EMP's or CMA's??? /panels/controllers/inverters/batteries/ wiring??? And if so, any advice or guidelines for protection there of???

I have 150v fuses but I can get 125v. Now all we need is sunshine. Thank you very much

I will use the 4awg from the Scc to the battery and install the fuse there. Oh happy days are on the way!

Thanks Boondocker... I have #10 ready to go. When installing a fuse does the length of the run have any bearing?

I've had this #2 awg before I got the SCC. I read somewhere that larger wires are a safer application. So as to understand, a slightly larger fuse than the max power flowing is what we want???

Thanks HRTDK... Distance from panels to the SCC is 30'. Might go larger down the road but I've got to live with my SCC as that's what I've got

Thanks as this helps alot. I'll try the pic again.

Thanks HRTKD...Distance from panels to SCC no more than 30'. Got to live with present SCC, it's what I've already purchased.

Thanks rmaddy... I purchased the 100amp controller some time back and may expand down the road but it's what I've got for now. I do have a dual pole breaker but it's rated to 500v / 63amp. Too much???? I've done some calculations based on your numbers and I'm seeing some light down the tunnel...

No, not in Greece, but it feels like it when I try to understand "sparks" and the flow thereof! I'm in the PNW. My b-bank is 8 - 6v/225amh, lead acid, wired in series/parallel to = 24v / 450amh, connected w/ #2 cables. My Inverter is a low budgit Chinese type, Cumsetzer 3000w, 24v, Pure sine...

Collectively my system, when constructed, will have 4 - 275w panels, a 100a MPPT SCC, 24v 3000k inverter. Having considered series/parallel connections for both batteries and panels I'm having a hard time understanding what size fuses and breakers would be most closely advantageous to the...

Will connect both, thanks friends.

My inverter came w/ 2+ and 2- cables. Should the battery bank be wired to accommodate both cables?

Precisely rmaddy...

I know there's a solution but not finding it yet. When battery bank cables are connected in parallel, specifically the point where the inline connection is made, (from battery post to the long cable that connects to the SCC, what is the device used to actually make the inline connection? Thanks

I've done some research and found a hydrometer, the multi cell fill gizmo and a "desulfator" on YouTube, worth a looksee. Thanks for your time.

I looked into NVS's suggestion and now with your additional info, (hydrometer) I've got to ask, how often should this procedure take place? Is it recognizable in loss of storage/power or is there a "tell tale" that one becomes aware of before problems occur in the bank? Thank you so much guys...

Thanks for the heads up NVS

Thanks Hedges... Valuable info duly noted, esp. periodic H2O checks.

The batteries are 6v lead acid (golf cart). All things considered where is optimum placement for fuse/breaker?

Thanks Maddy Thanks NVS