Tektrum 30w Solar Panel/Blocking Diode Cable/2m long Cable and Clamps Battery Charger Kit for RV, Home, Boat, Pool Review

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(More customer reviews)This is the best solar panel kit I ever saw. It includes everything for what I need to build a complete battery charging system. I hook up it to my RV battery by using the provided cable with clamps in less than 2 minutes!!! It starts to charge my battery immediately! It allows me to use the free energy from sunlight immediately :-) Awesome! Thank you!!

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Product Description:
30w Solar Panel/2m Cable/Clamps Battery Charger Kit Package Includes One 30 watt Monocrystalline Solar Panel, One Blocking Diode Cable and One 2-Meter Long Charging Cable with Clamps. This solar panel generates free electricity by charging under sunlight during daytime for use with house, RV, boat, yacht, car, camping, as well as many electronics such as laptop, stereo, television, radio, fan, outdoor lighting. The solar panel and the cables included construct a complete battery charger kits. Features: Made of monocrystalline PV -- the most energy efficient material; An extra blocking diode cable prevents reverse current flowing from battery to solar panel during night-time; An extra two-meter long cable with clamps provides the easy connection to batteries or electronic devices; Low voltage-temperature coefficient enhances high-temperature operation; Exceptional low-light performance and high sensitivity to light across the entire solar spectrum maximize yearly energy delivery; High quality, high-transmission tempered glass provides enhanced stiffness and impact resistance; Advanced EVA encapsulation system with triple-layer back sheet meets the most stringent safety requirements for high-voltage operation; A sturdy, anodized aluminum frame allows modules to be easily roof-mounted with a variety of standard mounting systems; Ultra reliable bypass diodes prevent damage through overheating due to shaded or defective calls; Output power tolerance of +/-3%; 25-year limited warranty on power output; Manufactured in an ISO9001:2000 certified plant; CE certified; Dimension 18.3inx21.9inx1.4in (464x556x35mm); Maximum Power (Pmax) 30Watts; Maximum Power Voltage (Vmp) 17.5V; Maximum Power Current (Imp) 1.72A; Open Circuit Voltage (Voc) 21.2V; Short Circuit Current (Isc) 1.93A; Maximum System Voltage 1000V; Temperature Coefficient of Isc 0.06% / degree C; Temperature Coefficient of Voc -0.397% / degree C;

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Sunforce 50013 1 Watt Motorcycle & Powersports Solar Battery Charger Review

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(More customer reviews)I purchased this array to charge an accessory battery on my golf cart.It seems to be well made and is water proof, which is why I bought it.It comes with ample cords and is small in size.

I would have given it 4 or 5 stars, but, it has no LED or any way to know if and when it is working.Some of these arrays ( some cheaper) have at least an LED to let you know the thing is functioning.A serious draw back IMHO!

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Product Description:
The Sunforce 50013 1 Watt Power Sports Charger is the perfect solution for charging the batteries of motorcycles, personal water crafts, ATVs,snowmobiles and tractors. The 50013 is not only weatherproof, but maintenance free and extremely easy to install. With its built in overcharge / discharge protection, you cannot go wrong with the 50013 battery charger. This top of the line solar panel works in all daylight conditions to keep your batteries charged. Your purchase includes wires with quick connect technology, battery clamps, and an O ring connector and fuse.

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Solar Power Panel 12 Volt 4.5 Watt Car Boat RV Charger Review

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(More customer reviews)I BOUGHT TWO.THEY KEEP MY BOAT BATTERIES AT FULL POWER AT ALL TIMES.THAT IS ALL I ASKED FOR.I HAVE GIVEN SEVERAL AWAY AS GIFTS.

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Product Description:
This panel is for heavier duty battery charging, not merely trickle charging or battery maintaining as the smaller 1-2 watt types of panels are made for. This panel measures approx 8x10x3/4 in.

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Sunforce 50032 15 Watt Solar Battery Charger Review

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(More customer reviews)I purchased 6 of these for a backup system for my home. Two Northern units and 4 Sunforce units all 15 watt. ( these are the exact same units btw, northern's are cheaper). With two inverters, a 2500 watt, and a 300 watt pure sinewave for computers and such. Hooked through a 7 amp charge controller to a pair of 110 amp hour deep cells in parallel for a total of 220 amp hr's.

I first hooked two panels up to see how they did, they worked well in very low light but couldn't ever get the batteries to "full" on the controller. I then hooked up a third panel and that gave enough to bring the batteries to full after a full day. With six panels hooked up, it will bring the batteries to "full" in a very few hours from a 30% drained condition.

These units are less then optimally placed and rarely get full sun, but do very well even without that. Two panels in full sun may very well have been able to bring the batteries to "full" but location is a problem for me. One other product of note is the P3 international "Kill A Watt" electrical useage meter. Doing a survey of electrical useage in my house to get ready for this project was an eye opener to say the least.

Great panels, at a good price, that do what you pay for...all you can ask for.

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Product Description:
The Sunforce 50032 15 Watt Solar Battery Charger gives you another reason to love the sun--it'll help keep your vehicle's battery charged. Just plug the this helpful 15-watt battery charger into your vehicle's 12-volt lighter socket and position the panel to pick up the most daylight possible. And with the built-in blocking diode technology, this charger is designed to protect against battery discharge at night. You can also use this device to maintain the charge on any 12-volt battery for clean, silent operation of various electronics, such as deer feeders and landscaping pumps. The 50032 features a built-in ultra-bright blue LED charging indicator, and is a great choice for automobiles, recreational vehicles, tractors, all terrain vehicles, boats, electric fences, telemetry and more--and it is even effective on cloudy days. This battery charger is made of durable ABS plastic and amorphous solar cells, measures 15.5 x 2.5 x 41.5 inches (WxHxD), and has a maximum temperature range of -40 to 176-degrees Fahrenheit. The manufacturer recommends using the Sunforce 60012 7 Amp Charge Controller in tandem with this charger for optimal results.

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Sunforce 52013 1.8-Watt Solar Battery Maintainer, Twin Pack Review

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(More customer reviews)I got these for my rv as well as my jeep that sits for weeks on end. The solar panels came packaged ok. No loose parts or missing parts. You receive both a cigarette lighter plug as well as alligator clips. Both adaptors attach easily to the solar panel. One of my complaints are the suction cups used to attach to the windshield. They don't suck! Meaning, they constantly fall of the windshield. You do get 4 suction cups in the packaging. I had to play with the cups to find the 2 that worked the "best".

Doing a little testing on my amp draw of my jeep. I found that is pulls .088 amps with no key and all accessories off. Sticking a panel to my windshield resulted in a reduction of my amp draw to .017 amps. This is better, but not quite what I was wanting. Remembering that all windshields come with a UV filter in them, I pulled the solar panel into the direct sunlight and found the vehicle was now charging .023 amps. This is more like it, however, reading the directions, these panels are not weather proof, meaning, waterproof.

Installing the second panel along with the first behind the windshield resulted in a charging of .017 amps. So, it seems I need to install both panels to keep my battery maintained while in "storage". Remember to check that your cigarette lighter is a constant power on (there is power with the key in the off position). If not you will need to install a aftermarket plug for the panels to work.

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Product Description:
Sunforce 1.8-Watt Solar Battery Maintainer Twin Pack is comprised of two solar battery maintainers ideal for cars, SUVs, boats, ATVs and PWC batteries. The units are completely maintenance free and easy to install. The amorphous solar panels charge in all weather conditions, even on cloudy days. The panels plugs directly into your cigarette lighter. Complete kit for each unit includes two units of 1.8-watt solar battery maintainer (model number - 50012), 7.5 feet wire, 12V DC plug, suction cups for easy mounting and battery clamps. Temperature range from -40 to 176 degrees F.

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Sunforce 7 Amp Charge Controller Review

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(More customer reviews)Bad:
Really cheap quality. Included instructions don't provide enough information. Website is just as un-informative. Cheap connector wires (low current), and is not equipped with screw-on terminal junctions.

Good: Product works as advertised. Amazinlgly "regulates" the voltage to the required amount so as not to overcharge the battery. Beware though, in order to test the actual output voltage, you must apply a load on the battery end of the controller BEFORE. Failing this, the output can register volts as high as 20 volts !!! Apparently applying an actual load causes the controller to output the correct voltage range - lucky me, cause I bought 4 units ! The LEDS alternately flickers (fast for good voltage input and slow for low to no voltage on solar panel). The manual did NOT state the order of LED flashes.
(1) Fast LED flashes - good voltage/current
(2) Slow LED flashes - low/no voltage/current
(3) steady Green - fully charged
(4) steady amber - possible no load OR really low voltage/current

I recommend you go out and buy 'em. The are a really good deal and does the job at the best price ! I use them in Jamaica, to provide my appliances with power during power outages (very frequent here). Used with solar panels and DC to AC inverter, of course. Considered using a generator, but too many accidents here with generators, too noisy, too bulky, and during hurricane aftermath, fuel is a problem. Solar is freely available, so it was the BEST option all round.

Hope this helps all readers !

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Product Description:
The Sunforce 60012 7 Amp Charge Controller prevents overcharging of 12-volt batteries. It is intended for use with 12-volt solar panels, and can handle up to 7 amps of array current and up to 100 watts of solar power. The controller is easy to use with a charging light that indicates that your battery is charging, and a green light that indicates a fully charged battery. The 60012 measures 4 x 1 x 2.5 inches (WxHxD) and weighs one pound.

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Sunforce 50022 5-Watt Solar Battery Trickle Charger Review

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(More customer reviews)I live on a river and built a campsite on an island across from my house (the dog loves it). I bought a deep-cycle marine battery but am getting too old to lug it in and out of the canoe for charging. So I got this little panel and, so far, have not run out of juice. And it's cheap enough so if someone steals it it's no big tragedy. I run a laptop, TV, fluorescent light and charge my cell phone. I even have a 12v car-vac to clean the sand out of the tent.

Of course, I'm not there 95% of the time so 5 watts is probably adequate. And I don't have to worry about overcharging. I screwed it to a big log in pretty open sun. So far, it has survived, even some small hail.

BTW, I use the power cord from an old vacuum cleaner and a 4-way 12v splitter to distribute power from the battery.

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Product Description:
The Sunforce 50022 5-Watt Solar Battery Trickle Charger gives you another reason to love the sun--it can help keep your vehicle's battery charged. It provides up to 5-Watts or 350mA of power to prevent the natural voltage drain of batteries over time. It includes both a lighter socket adapter and alligator clips to give you flexible connection options.


The Sunforce 5-Watt Solar Trickle Charger is compact and easy to install.

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