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I finally had a full sun day, so I could do some more testing.? Typical? results: PWM controller: Power measured at the solar panel:? 13.16v x 5.02A = 66.1 watts Power measured at the battery:?

It’s a rare bird in the wild — kind of like our a-frames. ?

At anything close to the nominal power level, it will probably be greater than 95%.

I'm going to measure the voltage at the panel.? It will be interesting how efficient the mppt controller is.? They say "peak conversion efficiency of 97.5%".? No mention, of course, of what min

That's basically correct. Think of the two extremes: zero voltage and maximum current, or maximum voltage and zero current. Both yield zero power. Somewhere in between is the MPP. If the panel looked

Need is a subjective term.? The plastic housing on my old controller broke, this mppt controller was $50 more than a pwm controller, and it gets me 13% more power.? Given that solar controllers last

If you look at this screenshot there is a total of 89 watts coming in. if you look at the solar part of it you will see 33.57 volts * 2.6 amps which equals 87.28 watts. On the battery side of the

I have one 100 watt solar panel.? Other guys online are saying that for that panel, an mppt controller should give you about 1 more amp than a pwm controller.? When the 19 or so volts produced by

"It's not "restricting" the current: It has found the maximum power point at a higher voltage and lower current. That's what it's designed to do." So you're saying that as the controller pulls more

What size panel do you have?? If it is a single 100 watt panel the mppt does not have enough room to adjust the voltage and current to get much more out of it than what you experienced. If you have a

Hello Alex: I have used Capt. Tolley's for years to fix loose floor tiles in my house. Rather than tearing up loose tiles, cleaning out mortar and grout I just mark loose tiles with chalk. Trolley's

Hi, Campers -- I'm looking for reviews of Capt. Tolley's Creeping Crack Cure, particulary for its use on Aliner's OEM caulk/sealant. Messages here provided nothing specific, and locating leaks has

It's not "restricting" the current: It has found the maximum power point at a higher voltage and lower current. That's what it's designed to do. Scott Ellington

My question, though, is why does the mppt controller restrict the amps from solar panel to controller to 4.85 amps, instead of letting the full 5.15 amps through.? Do other solar controllers restrict

That's exactly the way an MPPT controller is supposed to work. Scott Ellington

Surprisingly both controllers showed the same voltage as measured at the battery.? Both solar controllers gradually increase the voltage to 14.4 as the battery nears full charge.? With the state of

It's not really about amperage going in to the controller, it's better to compare wattage (power) and what is being sent to the battery.? Wattage = voltage*amperage . Sometimes the amperage may be

For anybody that has upgraded their solar controller from a PWM type to an MPPT type, did you doing any testing comparing the two? I just got a Lensun MPPT controller, and compared it to my old PWM

The counter tops look great. When people ask what kind of wood is that? Tell them it’s Danger Wood. ?

Thanks, Carl! And Amazon has it! Alex