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Sunforce 7 Amp Charge Controller

4.3 out of 5 stars 287 customer reviews
| 46 answered questions

Price: $16.47 & FREE Shipping on orders over $49. Details
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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
2 new from $5.95 2 used from $14.00

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$16.47 & FREE Shipping on orders over $49. Details In Stock. Ships from and sold by Amazon.com.

Frequently Bought Together

  • Sunforce 7 Amp Charge Controller
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Total price: $37.93
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Product Information

Technical Details

Brand Sunforce
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

Technical Specification

Additional Information

ASIN B0006JO0XI
Customer Reviews
4.3 out of 5 stars 287 customer reviews

4.3 out of 5 stars
Best Sellers Rank #7,188 in Automotive (See top 100)
#9 in Automotive > Tools & Equipment > Jump Starters, Battery Chargers & Portable Power > Solar & Wind Power > Energy Controllers
Shipping Weight 5.6 ounces (View shipping rates and policies)
Domestic Shipping This item is also available for shipping to select countries outside the U.S.
International Shipping This item is not eligible for international shipping. Learn More
Date First Available August 29, 2004

Warranty & Support

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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


Customer Questions & Answers

Customer Reviews

Top Customer Reviews

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 !
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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.
Read more ›
7 Comments 40 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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Two wires to the battery and two wires to the solar panel. It doesn't get much simplier than that. Worked flawlessly out of the box. Yellow LED indicates charging while green LED indicates the battery is charged.
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Verified Purchase
This unit is simply an electronic switch, it is either on or off. The problem with that is that when it is on the full force of a high current is applied to the battery and if the battery is almost charged the battery voltage quickly rises to the cut-off voltage (14.2v). When current is cut off the battery voltage quickly falls to the turn on voltage (13.1v), and the unit turns the current on again. This can happen several times a minute when the current is high and the battery is almost charged. Also, in operating this way, the battery never gets fully charged, which requires a small constant current.

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.
14 Comments 105 people found this helpful. Was this review helpful to you? Yes No Sending feedback...
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By F-35 EWO on December 5, 2007
Verified Purchase
I have this unit connect to two automotive 12V batteries with three 15W panels connect to it. So far the charger works as advertised by preventing battery drain when the sun goes down and charging while the panels are producing at least 13 volts. It is pretty much an install and forget item. Additionally I have those same two batteries tied into one of my trucks 12V power points so that the batteries charge when the vehicle is running by way of the alternator. Even with this double charging set up, the charge controller appears unphased and shows a charge light in the daytime and has on two occasions indicated a fully charged green light.
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Verified Purchase
As a few others have posted, in here, the quality control on this Chinese unit is poor. The wiring on my unit was reversed. Once I set things right, the unit worked correctly for about four months before complete failure. My battery died in the bargain, due to the unit failure that allowed my battery to drain completely with no load on it except this unit and the solar panel. I'll try one more and then update this review. Update: I just ordered: KINTREX SPC0601 Solar Charge Controller - 7Amp, 100 Watt,... At just $10, on this site, it's a far better deal and has an extra indicator light for low charge condition. The connectors should mate up perfectly if the pictures are accurate. As far as the reversed wiring goes, in all electrical applications with connectors, an exposed contact is normally the ground, coming from a power source. The hot side is recessed and/or shielded to keep you from grabbing it and then a grounded object or contact, which would result in a shock. This scheme is reversed, obviously, in the non-powered side of the circuit, ie., the thing you're sending the power to that mates with the connection just described. When I called Sunforce's rep, in Canada, and spoke with him, he denied knowledge of any other incidents of reversed wiring. That's really curious, as others have posted about the reversals, as I mentioned, above. UPDATE: 4/2011- The Kintrex unit works flawlessly. You are well-advised to go with it and leave the reviewed unit, as above, alone. It costs much more and is inferior.
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