Here's some photos of the FLAT PACK CONTROLLER I have been working one. This controller uses a single 90A power MOSFET. The current capacity is rated at 20A. The controller features over temp shut down, low battery warning and PWM charging scheme. As you can see, there's two way to connect your solar panel to the controller. The photos directly below will accept up to #4 gauge wire.

The photo above shows the smaller terminal connectors. These will still handle up to 30 A.

Price??? Right now, it's still up in the air. A kit as you see it will hover around $70.

Interested in one of the six prototypes? Email mail me at prosolar at sssnet.com

The cost of a prototype will be $45 +$5 shipping.