|Model||7-amp Charge Controller|
|Item Weight||5.6 ounces|
|Product Dimensions||4 x 2.2 x 7 inches|
|Item model number||60012|
|Manufacturer Part Number||60012|
Sunforce 7 Amp Charge Controller
|Price:||$19.39 & FREE Shipping on orders over $49. Details|
|You Save:||$0.10 (1%)|
- Enter your model number above to make sure this fits.
- Protects battery from overcharge and discharge
- For use with 12 Volt solar panels and batteries only
- Handles up to 7 amps of array current and up to 105 watts of solar power
- Maintains 12V batteries in a fully charged state
- Operation: Yellow charging light indicates battery charging and green light indicates fully charged battery
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From the Manufacturer
Sunforce- 7 Amp, 12 Volt Charge Controller
About the Charge Controller
The Sunforce 7 Amp, 12 Volt Charge Controller will prevent overcharging your 12 volt batteries when charging with a 12 volt solar system.
It is recommended to consider the power capacity of your solar system in order to choose the right charge controller.
It's important to choose the proper wire gauge (thickness) based on your solar system's capacity and installation distance.
*Note: Solar Panel and Battery are not included.
Key Features of the 7 Amp Charge Controller
- Prevents overcharging of 12 volt batteries
- Indicates charging conditions with the LED lights on the controller
- Handles up to 7 amps of current
- Handles up to 105 watts of solar power
- Recommended to be used with solar panels 15 watts and higher
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Top Customer Reviews
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 by a simple switching process. 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 !
This is an "on/off" controller. When your batteries reach 14.2 volts, it simply turns off. Your batteries will then discharge, either from something running off of them or simply by the passage of time (self discharge). Once they reach 13 volts, this controller turns on again and takes them back up to 14.2 volts, and the cycle repeats itself.
The problem is your 12v batteries are not fully charged when they reach 14.2 volts. Deep cycle batteries, especially, need more than that. Many are rated to be charged at 14.4v, some as high as 14.8v (many 6v pairs, wired in series, fall into this latter category). And when they reach that voltage they should continue to be charged at a gradually reduced current until they are truly full. When that doesn't happen they are chronically undercharged, which doesn't give you the full use of the battery's capacity. It's like having a ten gallon gas tank in your car but never putting more than 7 or 8 gallons in it. The result is you can't use as much electricity before needing to recharge again. Worse yet, chronic undercharging shortens battery life. Sulfation of the plates occurs, as well as stratification of the electrolyte fluid. Individual battery cell charges drift apart, and eventually cell failure occurs.Read more ›
I strongly recommend that anyone considering this unit spend another $10 and buy the vastly superior HQRP 10Amp controller or something similar which controls the amount of current, rather than just switching current on or off.