It's just that simple! I would suggest that, if you setup the system correctly and find it does discharge (the battery) when the Sun goes down, the unit is defective. Make the Harbor Freight 45W Solar Panel Charge Controller Useful With a Simple Mod. I noticed that the maximum allowed output coming from the regulator/controller is 12.5 volts dc. You'll only hear from us. Things that go bang and their accesorys . Plasma cutter . Get all the solar panel cables you’ll need, Get 10% Off Your Entire Purchase When You Open a New Account. One diode will always turn on before the other - which can result in burning one diode then the second parallel diode when the load is greater than what a single diode can carry. Tools. Question: has anyone done this yet.? Good news is these kits are currently advertised for $119.00 w/coupon 11123222. The charge controller reduces overall system maintenance and prolongs the life of your battery. on Step 1. During the day, the front panel shows about 13-14 volts so I leave the charge controller on, but when I come back from work, I found that the battery wasn't charged at all. Quality tools & low prices. One experiment I did was to simply add a blocking diode on the back of the charge controller. As you know charging a battery unit to 12.5 is not efficient. pigtail). If anyone has any better suggestions improving this unit, please let me know. 5 years ago Note: Fuses are often used with a reverse connected diode to prevent reverse polarity hookups and circuit damage. 3d printer stuff. Portable and easy to set up, this reliable, Clean, quiet portable power in an easy to, Get 10% Off Your Entire Purchase When You Open a New Account. It's better to be on the safe side. For example, does it have a microcontroller to control the voltage? Bench grinder . pigtail). So our tools will go toe-to-toe with the top professional brands. Recently, I got some spare time and started making diagnosis on this charge controller and I found that while it indeed charges during the day, it discharges as the sun goes down. What is the part number for this component? Stripe is the cathode or negative. ... 30 Amp Solar Charge Controller. Reply Did you every find what the f1 part was? In fact, the voltage would go down about 0.1 volt to become 12.4 volt. I thought that I was getting enough solar juice to charge my SLA batteries. oh yeah, I also have a little inverter that I would be plugging the fan into. If you let too much time pass before discovering the problem, go in and buy another kit, swap out parts to determine if it is the controller or another defective part (in the old kit) and then swap out the defective part and return the latest purchase and get your money back. Reply I don't know this for sure since I haven't open the device to see the design. Amperage would have to be determined by operating conditions. This allows more power time than 12.5. 1 year ago This will help in my project. Compare to. This solar charge regulator protects and regulates the charge of a 12 volt storage battery using solar panels. A Schottky diode has less voltage drop than a standard diode. How to Make an Old-school Neon Street Sign. I’m trying to fix this controller and the component labeled “F1” cooked right away. 6 months ago. It was exciting times when I set it up several months ago to see the front panel lit up. I also leave the battery outdoor in case of outgassing. One diode with a sufficient rating is somewhat preferable to two under-rated diodes in parallel (because the two may not divide the current evenly).
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