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Sunforce

Sunforce 7 Amp Charge Controller

302 customer reviews

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$19.93
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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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Sunforce 7 Amp Charge Controller

$19.93
FREE Shipping on orders over $25—or get FREE Two-Day Shipping with Amazon Prime In Stock. Ships from and sold by Amazon.com.

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Product information

Technical Details

Brand

Sunforce

Model

7-amp Charge Controller

Item Weight

17.7 pounds

Product Dimensions

4 x 2.2 x 7 inches

Item model number

60012

Manufacturer Part Number

60012

Technical Specification

Additional Information

ASIN

B0006JO0XI

Customer Reviews

302 customer reviews

4.4 out of 5 stars

Best Sellers Rank

#13,657 in Automotive (See top 100)

Shipping Weight

5.6 ounces (View shipping rates and policies)

Domestic Shipping

Item can be shipped within U.S.

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Date First Available

August 29, 2004

Warranty & Support

Warranty, Parts:Parts

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Product description

The Sunforce 60012 7 Amp Charge Controller prevents overcharging and discharging of 12 Volt batteries. It is intended for use with 12 Volt solar panels and maintains 12 Volt batteries in a fully charged state. It can handle up to 7 amps of array current and up to 105 watts of solar power. The controller is easy to use with a yellow charging light that indicates that your battery is charging, and a green light that indicates a fully charged battery.

From the manufacturer

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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.

Recommendations

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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Customer Questions & Answers

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Customer reviews

302

4.4 out of 5 stars

5 star		59%
4 star		20%
3 star		10%
2 star		3%
1 star		8%

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See all verified purchase reviews

Top customer reviews

Doesn't charge batteries fully

ByMaynard the Miseron November 17, 2013

Verified Purchase

I bought one of these in 2007 and used it to charge the two deep cycle batteries in my truck camper for two years before I knew any better. Solar charging was new to me and this was cheap so I figured I would give it a go. It appeared to work fine - it showed it was charging. But my batteries never seemed to last long. I set out to find out why, and in the process learned a lot about solar charging. Along with that education came a realization of the pitfalls of charge controllers like this one.

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. It only takes one cell to fail and your battery becomes nothing more than a toxic lead weight.

Look for charge controllers that use PWM (Pulse Width Modulation) technology or MPPT (Maximum Power Point Tracking). MPPT is expensive and not really financially feasible for many small solar systems, but there are many PWM controllers on the market these days that are nearly as inexpensive as this cheap Sunforce on/off model.

PWM controllers charge your batteries in three stages - bulk, absorption and float. Bulk allows everything your solar panels can produce to be thrown at the batteries until they reach a set point, (14.4v for example), and at that point absorption stage takes over where the voltage is held there while the amps allowed into your batteries are gradually diminished over several hours. This really gets your batteries charged fully. At the end of absorption stage float stage takes over, which trickle charges batteries to keep them fully charged.

Renogy is one brand that is sold here on Amazon. The ten amp model uses PWM and even includes in-unit temperature compensation, but it is about ten bucks more than this Sunforce model. Even so, you'd likely save more than that in battery life. It's got its faults too though, like a short 30-minute absorption mode. If you really want a good one, look for Morningstar, Blue Sky, Rogue or Xantrex, to name a few. I've also heard good things about a very cheap Chinese brand called Landstar. Although most of these are quite a bit more expensive, they won't cut your battery life short and they will give you more battery capacity to work with. To learn more about 12v solar charging see rvsolar101 dot blogspot dot com. Part 7 covers charge controllers.

77 comments 70 people found this helpful. Was this review helpful to you?YesNo

Sunforce 7 amp Solar Controller

ByJXon January 6, 2008

Verified Purchase

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 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 !

1818 comments 208 people found this helpful. Was this review helpful to you?YesNo

Control the power of the sun...kind of

ByChrison November 22, 2015

Verified Purchase

This Is A very very basic charge controller it has a led that either tells you its charging or one that says its charged. and it goes back and fourth once the battery is full
The wire it comes with is smaller than the wire coming from the back of the solar panel. im sorry I don't know the sizes
Wires are self explanatory red+ black- and are very short
NO DIRECTIONS however it is pretty basic and if you need these directions you should call a electrician maybe even look on the youtube
NO LOAD setup/hook...up power is wasted
made in china, you get what you pay for, I bought this because it was purchased by other customers who also bought the solar panel I bought...
Now I know better than to listen to them guys.
I would Not buy this again, I would try to find something with a digital readout
It Does do the job it is intended to do, its mountable in a lightweight housing and all of its lights work...both of them, helps save power

0Comment One person found this helpful. Was this review helpful to you?YesNo

Keep it "out of the weather"

ByM. L. Frydenborgon August 27, 2017

Verified Purchase

This was a replacement unit. I have a solar powered gate which requires one of these for the battery. Unfortunately there is nowhere to keep it out of the elements. I had a little "hood" over the previous one but after about 5 years it gave out. This time I have decided to use the plastic packaging as protection. I carefully avoided opening it from the top and let the wires run out from the bottom of the plastic and used packing tape to seal it up. Hopefully this will give it a longer life. Still, it is not expensive to replace and works well.

0CommentWas this review helpful to you?YesNo

Sunforce 7 Amp Charge Controller

BySJKTOP 1000 REVIEWERon August 29, 2011

Verified Purchase

I used this Sunforce 7 Amp charge controller on an RV installation earlier this year to connect three Sunforce 6-Watt solar panels, [18-Watts total] for trickle charging the RV's two deep cycle 12V batteries. Wiring connection was simple and straight forward. The controller is small in size light weight which makes it easier to mount it in tight areas. The controller is made in China and I don't believe this unit is supposed to be weatherproof or water resistant, but that was not an issue for me since it was mounted it in a dry location under the bench seat for the fold-down dining table, which is also directly behind the battery compartment. All in all, from my experience anyway, I think this is a decent little unit considering the price. So far, it's been working great and has kept the RV batteries charged all summer.

0Comment One person found this helpful. Was this review helpful to you?YesNo

Customer images

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Most recent customer reviews

Great Controller

This controller is working great with my 60 watt solar panel and 12 volt deep cycle battery. The battery power my 600 watt inverter that run my rain barrow watering pump.

Published 20 days ago by T.C. Sr.

Great product

It works great

Published 1 month ago by Alex L. Cherroni

Five Stars

Great product and ordering was easy

Published 2 months ago by John M. Barr

Five Stars

Great product.

Published 5 months ago by Jason Pock

Farm dependable.

Buy these every several years for my front gate solar controller, fence line controllers, etc. Best for value and longevity. More long term reliable than the small white one.

Published 5 months ago by Unanimouse

Good to go

This charge controller works very well. I've had it for a year or so to keep a deep cycle battery up and various car and lawnmower batteries hot when not in use.Read more

Published 5 months ago by Barney

Four Stars

Very good replacement for the coleman charger that stopped working after 4 years of service, would purchase again.

Published 6 months ago by Darrall Mitz

Five Stars

Great

Published 7 months ago by Hilda

Worked well for my shop solar air heater fan

Worked well for solar air heater

Published 7 months ago by Blair Brennan

Very nice charge controller

This charge controller works great. The first one I have has been working great on a boat with solar panel for about 5 years with no problems so I bought another for another...Read more

Published 9 months ago by Cam Neil

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Sunforce 7 Amp Charge Controller

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Product information

Technical Details

Technical Specification

Additional Information

Warranty & Support

Feedback

Product description

From the manufacturer

Sunforce- 7 Amp, 12 Volt Charge Controller

About the Charge Controller

Recommendations

*Note: Solar Panel and Battery are not included.

Key Features of the 7 Amp Charge Controller

Customers who viewed this item also viewed

Customer reviews

Top customer reviews

Customer images

Most recent customer reviews

Set up an Amazon Giveaway