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HQST 100 Watt 12 Volt Polycrystalline Solar Panel
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- Anti-reflective, high transparency, low iron-tempered glass with enhanced stiffness and impact resistance, Withstand high winds (2400 Pa) and snow loads (5400 Pa). IP65 rated junction box provides complete protection against environmental particles and low pressure water jets.
- Pre-drilled holes on the back of the panel allow for fast mounting and securing. Compatible with different mounting systems such as Z-brackets, Pole Mounts, and Tilt Mounts.
- High module conversion efficiency. Ideal output: 500Wh per day (depending on the availability of sunlight). Bypass diodes minimize power drop caused by shade and ensure excellent performance in low-light environments.
- Advanced encapsulation material with multilayered sheet laminations to enhance cell performance and provide a long service life. Corrosion-resistant aluminum frame for extended outdoor use, allowing the panels to last for decades
- 5 years material and workmanship warranty and 25 years power output warranty.
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HQST 100 Watt 12 Volt Polycrystalline Solar Panel
Anti-reflective, high transparency, low iron-tempered glass with enhanced stiffness and impact resistance, Withstand high winds (2400 Pa) and snow loads (5400 Pa). IP65 rated junction box provides complete protection against environmental particles and low pressure water jets.
High module conversion efficiency. Ideal output: 500Wh per day (depending on the availability of sunlight). Bypass diodes minimize power drop caused by shade and ensure excellent performance in low-light environments.
The HQST 100 Watt 12 Volt
Polycrystalline Solar Panel is a key component in establishing an off-grid solar energy system. Weighing in at only 16.5lbs, this panel contains 36 efficient polycrystalline solar cells protected by a thin layer of tempered glass.
The panel is designed to withstand heavy snow and wind loads. The back of the panel features a waterproof junction box and MC4 leads for easy plug and play use! Use this panel alone or add additional panels to create a custom solar energy system.
Off-Grid Rooftop/Ground Mounted.
Pre-drilled holes on the back of the panel for fast mounting and securing.
RVs, trailers, motorhomes, caravans, boats, etc.
12 volt Battery Charging.
Maximum Power: 100W
Maximum System Voltage: 600V DC (UL)
Optimum Operating Voltage (Vmp): 17.8V
Optimum Operating Current (Imp): 5.62A
Open-Circuit Voltage (Voc): 22.4V
Short-Circuit Current (Isc): 5.92A
Dimensions: 39.7 X 26.7 X 1.4 In
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Will update again at a later date. 08/26/2016
Very happy with this solar panel. I settled on this one because of the design, other good reviews, price and also because the processes of manufacture for modern polycrystalline solar cells use less raw material and energy than other types of cell manufacture and am making more decisions in lifestyle which include environmental impact. It also seemed like a good match with the Mohoo 20 amp controller which I ordered and am so far happy with. It came on the day specified and was pristine, even beautiful upon opening. No damage or unpleasant surprises. Installed it on a couple deck boards cut to match the top of a southwest facing window awning and its dimensions and weight are a good fit for it. It even looks nice, like an accessory to the awning. I tend to favor function over appearance but it was not difficult to make a decent looking installation of this. The "Z" mounting brackets are a must. They make attachment to the supporting structure so much easier and more secure. The aluminum seems very high quality and is light to handle. I was able to hold the panel with one hand while getting it in place on the awning. The high grade end cable connectors were a good decision too. I soldered the metal pins onto the cables and had to work with them to get them fully inserted for a good connection but once connection was established they have carried full current. So far very happy with the panel's performance and plan on buying at least two more of these to mount on an adjacent and larger awning. At dawn it produces between 0.3 and 0.6 amps as it is in tree shade for the first hours of the day. Amperage builds as the sun rises and have seen it drive 5.5 amps out of the controller in sunny mostly clear conditions. Max closed circuit amperage is 5.62 so either true performance is better than that and/or power loss in the cables and controller is less than expected. When clear and out of the shade it produces 5 amps plus until about 6 pm (july) so I can get about 6 hours of full power out of it. It has bypass diodes that help balance production when some of the panel is shaded. It sustains between 1 and 2 amps in partial shadow or bright clouds. (An MPPT controller would probably glean 10-15% more out of it in those conditions.) Have it charging a large marine deep cycle battery and have about 20 feet of 10 gauge low voltage lighting cable between the controller and the panel and 12 gauge solid wire to the battery and from the load circuit to the 12 volt system outlets. As part of a starter system it is affordable and simple enough to give the residential solar engineer worthwhile experience by which to competently plan, select components for, and implement more advanced and larger systems. I have a separate set of 12 volt and generator wires and conduit run through parts of the house for emergency lighting, fans etc. that is now fed from the load circuit and is running some 30-50 watt equivalent luminosity LED lights, the DSL Modem, and cell phone chargers. Will put in a pure sine wave inverter later and want to replace the marine battery with a 100 amp hour AGM deep cycle. Plan on hooking up my 12 volt Coleman cooler and a couple 12 volt fans in my basement office when I get more panels hooked up. It could be taken down and with a portable mounting used remotely in the field, on an RV or boat if desired. Pamphlet states that it is robust and resistant to impact damage and low pressure water jets but I am wanting to fashion some kind of easily fastened (hail) storm cover for it. In summary it works well and fully meets its stated performance criteria and has every appearance of being a long lasting device of high quality. It It fits in places not practical for the 250 watt grid-tie panels yet produces worthwhile wattage.
One of the panels arrived damaged from shipping, customer service was fast and they sent me a replacement panel the day after I contacted them. All they required was a picture of the damaged panel.
Also, HQST sends you a little pamphlet with these panels, offering you a free 2W/6V solar panel, in return for you leaving a review. While this is the reason I am writing this review (I usually don't bother leaving reviews for anything), it in no way influenced my review. These panels are well constructed and very efficient, I don't think you can beat them for the price.
They were promptly shipped, and arrived in excellent condition. I have them installed, on my roof. Typically,
with an inexpensive MPPT Solar Charge Controller, I see around 60 watts from just one panel in the mid-
afternoon sun, but it did test even higher just before noon. See the attached photos.
Very well made!
All 3 have been producing more power that the rated output.
I'll be purchasing more to expand my system.
Great Solar panels, Great price!
That brings you to 90W and charging 12V is 7.5 amps at this rate.
You can easily power a mini 12V fridge / cooler at 5amps on this setup with regeneration during peak solar hours.
It won't last all night for long with this setup but it will keep cool during the day when it needs it and you can shut it down at night when it can stay cool.
If you want to keep a 12V fridge running all night buy 2 batteries and 2 100W solar panels and you can last all night.
I have used the single panel to run the fridge during the day and 3 of those 12v mini car fans all night with power left over in the morning.
Excellent for camping or RV, or the start of an off the grid system.
Hope my post gives you some ideas on the setup options / power of this panel.
Excellent heavy aluminum mount and nice wire connections with diode and good quality overall.