DC VOLTAGE CONTROLLER FOR SOLAR PANEL

Taking Solar power to another Level.
After the success using the SOL4UCN2 with my Solar panels and Yamaha P60 in 2006.
I have a new Challenge for 2007.
Two electric motors for my Black Rose Beach Cruiser Chopper Bike. Extra Solar panels for each motor Total 4x Solar Panels + two SOL4UCN2.Voltage Controllers
The electric Motors have two 12volt 12 amp batteries in each motor.
If I was able to play all day long in the summer with One Set of the Velleman Briefcase Panels and a 12volt 4amp batterie.
In theory I should be able to ride this bike powerd by the sun all day long.
Ill follow up this review after tests.

I have yet to fully test this combination:
SOL4UCN2+ SOL8Panels + 12v 4amp batterie + YAMAHA P60 Piano.
I recently Toured Germany and Switzerland on a Street Performing Tour, with just the Solar Panels the 12volt 4amp Batterie and the Yamaha P60 many times I just ran out of batterie power and had to spend all day charging the batterie, In theory this device;(SOL4UCN2) should resolve this problem and give me continuouse play in Daylight, and enough charge in the batterie for evenings or late night performance. again I have to test this fully over a period of weeks both day and night, to give a real example of using the SOL4UCN2 combined with the other equipment. As soon as I have one will let you know.

I have now tested the following equipment: SOL4UCN2+ SOL8Panels + 12v 7amp batterie + YAMAHA P60 Piano Keyboard. Conclusion:, I am going to add more Solar Panels to increase the current, so I can run this equipment without draining the Batterie. Hope this is helpful to anyone out there.

I got this controller to build the solar charger in the July 2007 issue of Popular Science, and it's working exactly as it should! I'm very happy with it.

Switch allows battery to be charged in the off position is a nice feature. Instructions for mono jacks are incorrect: it says the jacks all take a 3.5MM mono jack--when actually the 12V is a 1/4" mono jack, not a big deal. Great little unit.