Home Depot offers the Sunforce 15-watt Solar Battery Charging Kit, model no. 50033, for $84.99 with free shipping. That's tied with last week's mention and the lowest total price we could find now by $34. It charges 12-volt batteries and features a built-in blocking diode, which protects battery discharge at night.
New investors fall into some common traps. But you can often avoid them if you understand and remember these fundamentals.