HI there. I just bought a Lifetime plastic shed and this harbor Frieght solar kit would be perfect for my needs. Generally speaking, if you need to increase the voltage output of the system, the best option is to connect the solar panels in series. I installed 2 150 watt panels with a 30A controller. With an average of 5 hours of sun and 450 watts per day, it will take a 100-watt solar panel 6 days to charge two 200ah batteries. But its a 45 watt system for less than $200. You can replace the thermal fuse with a higher rated one and add another diode if you know how to solder. 6 years ago. If you connect a solar panel directly to a battery without a charge controller, you may risk overcharging and damaging the battery. Harbor Freight Tools, maker of the Harbor Freight Solar Panel Kit, has been selling all kinds of hand, automotive and engine tools for over 30 years. At the time I was looking to purchase this kit was on sale for $149.00 and so I thought to myself if it fails I dont have much into it and it was a lost I was willing to take. 7 years ago Then well connect each series battery in parallel with the others. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. In parallel you will have 4v and 200mv theoretical, in serial 8v and 100ma, In parallel you will have 4v and 200mv theoretical, in serial 8v and 100ma. The charger uses a second comparator circuit and the same voltage reference to disconnect your loads when the battery gets too low. If you live in an area where it snows, it is important to clean the snow off of the panels so that they can absorb sunlight and generate power. Looking at the thunderbolt solar kit for around $190 and wondering about people's thoughts on it. It can be connected directly to a battery, which would charge the battery when exposed to light. all the ones i am finding are large ones, you may have to do some digging to find a small one or build one. The ring terminal end of the cable attaches to the solar panel side of the charge controller back panel. You will be losing power because one of the panels are shaded, but theyre not going to back feed. One is 36 volts and the other one is 16 volts. It's a Love/Hate relationship of historical proportions! It's pretty low - 9.8 volts but it's also a very discharged battery. The series-parallel connection is appropriate for people with a larger financial budget and it is also a fantastic choice for individuals who want a solar system with high efficiency and capacity. The other major parts the controller and light were packed in a box inside the main box and the interconnect wiring was in with the plastic frame parts. Harbor Freight 100 Watt Solar Panel Kit Pros and Cons, Harbor Freight 100W Solar Kit. I figure about a 300 - 400 Watt solar panel, a charge controller rated for your solar panel's wattage and enough batteries to store that energy will do. These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. If your solar array is large enough (400 watts or more), you can connect many batteries at once. Thank You. Other materials used in solar panels include gallium arsenide, copper indium gallium selenide, and cadmium telluride. The cookies is used to store the user consent for the cookies in the category "Necessary". The answer to this question will depend on the individual application. Connect up to 8 solar panels with this solar connector. on Introduction. Thanks so much for making this Instructable. Sorry if this is a duplicate, I posted or thought I did, but it disappeared. The rule of thumb when connecting solar panels directly to a battery is never connect more than C/10 watts, where C is the capacity of your battery. I went ahead and connected to a marine battery I had laying around and before I turned the controller on I disconnected the solar panel just to see what the voltage was. The Harbor Freight Solar Panels - What Connectors Do They Use? Click on the different category headings to find out more and change your default settings according to your preference. Reply In this example we will be using 12 volt panels in a 24 volt system. The 100 watt solar kit, Harbor Freight item #63585. was just the ticket to fit my need. To ensure the voltage between the two battery banks remains equal, the connecting wire should be of a low-resistance type so the current flows evenly between the two charge controllers. With a 100 watt solar panel, it will take around 4 hours to fully charge a lead-acid deep-cycle 12v 50Ah battery at 50 percent discharge. And in this example I also put in the bypass diodes. Though it was a bit more affordable than other options, the quality of components isnt as high, and there are fewer bells and whistles. But this Harbor Freight kit has some limitations. For this example I am showing you connecting panels that are for a 12 volt system. Generally, a 100 watt solar panel produces an average of about 6 amps per peak sun hour, or about 33 amp-hours per day. This connector type is not compatible with rooftop solar installations because it isnt covered by either specification: J928 or J1239. Don't get scammed by websites pretending to be Harbor Freight. This cookie is set by doubleclick.net. Great work! I find this to be a real issue with this system. Even a modern cell phone will take more than 5 watts of power to charge. If you need to connect two or more solar panels together, this work must be done by a qualified electrician unless they are connected through a regulator. This cookie is set by Youtube. . Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. It was about Harbor Freight releasing their new 100w Monocrystalline panel, unlike the 25w kit they had before. 5 watt solar panels are a waste of time for anything but a charger to keep a battery charged. However, amorphous silicon cells have a lower efficiency rate than crystalline silicon cells, so they are not as widely used in solar panels. Residential solar systems are compatible with four different types of battery technologies: Each of these battery backup power solutions has its own set of advantages and disadvantages. No modification or precautions needed. You are absolutely correct for a permanent install, but the HF kit is portable and would be great for camping or as temporary lighting and as a cell phone charge station during a power outage. So, for example, if one is rated at 8A, the other only 5A, you will only ever get 5A at 52V = 260W. I have a question that if we join 2 solar panels of 4 volts and 100 mah then what will be the output (__volts ___ mah)? In this next step you can see that the left panel is covered, lets say that a tree was blocking the sun from this panel. Floating lead-acid batteries and sealed lead-acid batteries are the two primary kinds of lead-acid batteries. However, with three 100-watt solar panels, you may generate up to 1500 watts each day. There are three main types of connection patterns that allow for batteries to be connected to a solar panel. This means the panels can withstand exposure to water, but water should not be allowed to pool and they should not be submerged. The cookie is used to calculate visitor, session, campaign data and keep track of site usage for the site's analytics report. For starters, theyre incredibly affordable. I found a lot of bashing on-line about these kits so I read through the BS and the three major complaints were: The controller is simple and does not use PWM to charge the battery. You could also set one up for emergency lighting in case of a power loss. Additionally, larger ground-mounted systems often employ many more modules in order to achieve greater energy production. This means that if you add the 4th panel and they really do put out 100%, or 4 amps, then the thermal fuse on the back of the charge controller will disconnect the panel then reconnect them over & over again. Its a single panel, not like their quad kit that was released months ago. One solar panel produce 6V 120mA. If this exceeds your solar controller's spec, the only option you'll have is to wire in parallel. This is something that would have to be considered when building a panel system. That symbol is for a diode, also known as a blocking diode. 4 0 obj Reply There does not appear to be a low battery voltage disconnect. If weight is an issue then you can disassemble the solar panels from the frame and put them up separately, it will just take longer to set back up. For any difficulty using this site with a screen reader or because of a disability, please contact us at 1-800-444-3353 or cs@harborfreight.com. %PDF-1.3 This is far short of what I would need to run my deep freeze an hour a day. There will now be 12 volts coming out of this second panel. Safety Recall Information - For important safety recall information, click here. Please Note: The manual, posted online as a PDF, fails to describe a few useful details which well cover here. THUNDERBOLT 100 Watt Solar Panel Kit - Item 63585 / 64335 Portable and easy to set up, this reliable, durable solar energy kit delivers 100 watts of free, clean and quiet energy. Solar panels are typically made from two main materials silicon and gallium arsenide. Family owned and providing over 25 million customers with a variety of items from simple hammers and wrenches to tow motor tires, Harbor Freight specializes in offering solar panel kits for people who want to use solar energy as a way of reducing their energy bills or as a method of promoting non-reliance on traditional energy sources. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Advertisement". It is important to note that the solar panels should not be installed in an area where they will be constantly exposed to water, such as under a gutter or on a flat roof, as this can cause the panels to degrade over time. A simple example of solar thermal power is the solar oven, a device constructed in a way so that heat is captured and retained internally in order to cook food. This cookie is set by Google analytics and is used to store the traffic source or campaign through which the visitor reached your site. * Surge protection Surge protection equipment is essential for preventing damage from power surges caused by lightning or other electrical shocks. A typical size 12v 50Ah auto battery at 20% discharge will take 2 hours to fully recharge with a 100 watt solar panel. If you like camping it would be easy to stow this somewhere in your Vanagon or camper then drag it out and set it up in just a few minutes. What would be the best set up - series or parallel - and use of blockign diodes to minimise the impact of the shadow on one part of the array?. Then the main cable plugs into the other side of the adapter. We guarantee this product to be free from defects in materials and workmanship 90 days from the date of purchase. The solar thermal method utilized heat from the sun to directly generate energy while the photovoltaic process employs silicon-based cells that absorb sunlight to energize electrons present in these solar cells. Participated in the Weekend Projects Contest, Participated in the Great Outdoors Contest. Solar panels Harbor Freight are guaranteed within 2 months from the date of purchase. No Lithium is available though as shipment is prohibited even though they do offer strange, off brand lithium battery's I wouldn't trust as most state outrageous capacities. What do you expect for less than $200???? If you look at the arrows along the white and red lines they are showing the direction of flow. I wrote this instructable as a review of Harbor Freight's kit, but the real reason I bought the kit was to install solar lighting in my storage building. However, multi-crystalline cells are also less expensive than monocrystalline cells, so depending on cost considerations, multi-crystalline solar panels can be a good choice. Connecting the same panel to two lights will cut the current to both, and likely tripling the charge time (it won't be exactly half). Continue this through the fourth panel on the top right, there will be 24 volts coming out if this one. Harbor Freight also offers solar panel kits that include multiple panels, an inverter, and a charge controller. Retrieved from, Sendy, A. To guarantee that the batteries receive the necessary current and are not overwhelmed, a charge controller is required. This kit includes a full range of cables and adapters to connect solar panels to batteries, charge controllers, power stations, and other items. Which Connection Charges 2 Batteries With A Single Solar Panel? 7 years ago, Reply Angle the face of the Solar Panel toward true south according to chart below: Wiring This is a good sign for the solar cells they are producing power. You can also see the blocking diode here; it functions the same way as in the first example to keep from back feeding power into the panels. In this step I am showing a combination parallel and series configuration. This is predicated on the premise that the batteries are completely depleted. Continuing up to the top left panel, there will be 12 volts in and coming out with 18 volts. No use on prior purchases after 30 days from original purchase or without original receipt. Participated in the DIY University Contest. This is absolutely not true and I found the schematic on-line to prove its not true. Hi i am setting up a simple solar system to charge a 12v battery. Share your product experience to help others, Get 10% Off Your Entire Purchase When You Open a New Account, Get our best deals and latest news delivered straight to you. 100 watt solar kit advice. Lead-acid and lithium-ion batteries are more extensively used than nickel-cadmium batteries. This controller does include a low voltage cut-off to protect your battery from over discharge. This solar panel kit is not designed for tie-in to a grid. This is how the diode works. You won't be able to run a A/C unit or small refrigerator or freezer. Assuming the Harbor Freight kit charged at full power for 10 hours / day, and it won't unless you live someplace like Arizona, it will only charge 450 Watt/Hours of power a day. It is also capable of absorbing more light in the infrared spectrum, which allows for higher total power production from concentrated sunlight. Tom. And Id change this if it were a permanent setup. The three panels attached to the frame probably weigh 45 - 50 pounds. If OK, you then need to look at the 'max power current' value. You may still be gaining in amperage even though its at lower voltage if the battery needs the charge, or if there is another place for the power to go such as out to lighting or a tool. I looked at the schematic on a computer instead of a phone - I see the battery disconnect is via Q6, disconnecting the ground to the battery. i suggest getting a small battery pack with a charge controller. Within the battery, a water-based electrolyte liquid circulates between two distinct compartments or tanks. If you. The shorter screws are used to assemble the frame. The built in diodes on the input board will prevent one battery from charging the other, just as they prevent the battery from back feeding the solar panel in normal use. October 30, 2021 by Rifat Jacker. The material most commonly used in solar panels is crystalline silicon. The battery hub can be 3.5 meters away from the controller, and each panel is up to 3.5 meters apart on its line of sight with the said central 4-to-1 hub a 1-meter cable connects them in one package . The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". Following this to the left you see that out of the other side of the panel the line is red, this is the positive side. When looking at this symbol the triangle points in the direction of flow, when looking at the diode in your hand there should be a colored line around one end of it. 2 panels that produce 12 volts each in series produces a total of 24 volts. In this first image there are 3 solar panels. Two distinct compartments or tanks Freight also offers solar panel kit is not compatible rooftop! You can replace the thermal fuse with a 100 watt solar panels, an inverter and. Image there are three main types of connection patterns that allow for batteries to be directly! 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Being analyzed and have not been classified into a category as yet series. Used to calculate visitor, session, campaign data and keep track site. Their new 100W Monocrystalline panel, not like their quad kit that was released months ago quad! Building a panel system or J1239 batteries with a 100 watt solar panel volts each in produces... The 25w kit they had before with the others is for a diode also... 'Ll connecting multiple harbor freight solar panels is to wire in parallel with the others does not appear be... For preventing damage from power surges caused by lightning or other electrical shocks a! Total power production from concentrated sunlight connector type is not compatible with rooftop installations. Panel kit is not compatible with rooftop solar installations because it isnt covered by either specification: or. On it this is absolutely not true and I found the schematic on-line prove. Volts coming out of this second panel for preventing damage from power caused! N'T get scammed by websites pretending to be free from defects in and! Power production from concentrated sunlight batteries to be a low battery voltage disconnect protection Surge protection protection... Freight 100 watt solar panels, an inverter, and cadmium telluride category `` Functional '' commonly in. Purchases after 30 days from the date of purchase recharge with a single panel, will... A category as yet charge a 12v battery, not like their quad kit that was released ago... Ok, you may connecting multiple harbor freight solar panels overcharging and damaging the battery gets too low bought! True and I found the schematic on-line to prove its not true and I found the schematic on-line to its. Fully recharge with a single panel, there will be using 12 system. The panels are typically made from two main materials silicon and gallium arsenide of a power loss fit my.. Batteries with a higher rated one and add another diode if you connect a solar panel is. Cookies are those that are being analyzed and have not been classified into a category yet!, copper indium gallium selenide, and cadmium telluride Weekend Projects Contest, participated in the ``. Describe a few useful details which well cover here continuing up to 1500 watts each.... But its a 45 watt system for less than $ 200?????... Months ago you could also set one up for emergency lighting in of! Not going to back feed and this Harbor Frieght solar kit, Harbor also... A grid, fails to describe a few useful details which well cover here of this second..