The Battery Doctor 30-amp Solar Controller lets you easily manage your solar panels to get the most out of them. The controller keeps panels from discharging at night and keeps them from overcharging the battery. It works for both 12 and 24 volt systems.

• 30-Amp Solar Controller
• Mfr. item number - 23127
• Keeps panels from discharging when the sun is not shining
• Protects panels from overcharging the battery
• 30-amp maximum output
• Works for 12 or 24-volt systems
• Weight: Approximately 1 pounds
• Shipping Dimensions: Approximately 7 x 5 x 3 inches.