Sunforce 60031 10 Amp Digital Charge Controller

• Protects battery from overcharge and discharge
• Handles up to 10 Amps of array current and150 Watts of solar power
• Maintains 12V batteries in a fully charged state
• LCD digital display shows battery voltage
• Small and compact for added convenience

Interesting little device. Voltmeter is .22 VDC high, no adjustment available. Sample time for DVM is a little slow. Using to keep 100 A/Hr battery "topped off" with two solar panels. Max charging current so far is around 4 Amps which the unit handles very well, no apparent heating, no electrical noise generated. Have it diode isolated and in parallel with AC charger and they both are functioning nicely. Only thing to change would be a terminal strip vs. wires included and adjustment for DVM. The box itself could be rectangular instead of the curved thing it comes in. Would make mounting a lot easier.

A year later.

Have had this in my travel trailer for over a year. Solar panels are rated at 100 watts. Battery is a telecomm battery designed for sitting around on a charger then providing, in this case, up to 100 Amps for about 20 hours when needed. The trailer has not been connected to AC since panels/battery/charge controller installed. The panels have provided enough power and the controller has kept the battery at 13.8 volts the whole time. The max charge current I have seen so far has been about 6 Amps. Not bad for the Pacific North-west.

I have looked inside the controller. The switching devices are wired like MOSFETs and they look like they would max out at 10 Amps. Part numbers on the devices are in-house numbers and impossible to find. I would limit this unit to no more than what I have it doing. i.e., 100 Watt panels. That would keep the charge current at around 8 Amps max.

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Recently purchased the Sunforce model 60031 (digital) and very pleased with features that work as described in description. I'm sure my warranty is void now, however was able to open the case and drill a small hole right where the sun icon is located on the front panel (case removed first) and this is the location where the float charge "cut-in" adjustment is made. The trimmer on the right side of the PC board is for adjusting the digital display against a accurate input voltage. Again note, you will be on your own if you open the case.

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This Sunforce charge controller was bought as a component for my solar generator and at first, I wasn't sure it was going to work because other charge controllers are more expensive and this one had 10amps. Turns out i had nothing to worry about because the Sunforce can handle my 12 volt system. I was able to mount it straight to the battery box with some nuts and bolts and the fittings that go to the battery were exactly the size I needed.. I'm using n 80W micro-crystalline panel and so far, the controller is delivering a steady and fast charge to my battery. My 110 amphour battery gets charged back from 25% to 100% in about 6 hours. The indicator lights are easy to read and the liquid crystal voltage readout is accurate. The readout only uses 10ma which is good because it stays on all the time.

Here's the fun part. We made a modification on the connections by using a 15 amp 125-Volt 2-Pole Polarized Light-Duty Plug on the panel, and a 15 amp 125-Volt Light-Duty Plug on the controller's input wires. This makes it a snap, literally, to hook up and unhook the generator box from the solar panel so I can roll it inside the house.

Very pleased with this product as I'm sure you will be.

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Arrived in perfect condition -followed the simple instructions. I have 2 batteries wired in parallel with a 60 watt solar pannel. This unit went right to work. It keeps the batteries charged and ready for use.

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I use the Sunforce 10 amp controller with a Sunforce solar panel to charge and maintain the battery on my hunting camper. We do not have commercial power available and don't want to carry a generator for a short weekend. The controller is working fine. This is the second one I have had on there. The first had a faulty digital readout screen. I had a 7 amp Sunforce, but it seemed to allow leakage overnight. This one will charge the battery up to 12.8 Volts, but apparently no more, whereas the promo says it will do 14 Volts, then maintain. It has not brought the battery up to a maintenance level as yet, but it does bring the battery back up to better than 12 Volts rather quickly after an evening of using the lights and light appliances like the furnace fan. All in all, I am satisfied with this product.