Charge a 12V battery with your Goal Zero Boulder solar panel. 10-Amp solar controller regulates power output for a consistent charge and prevents overcharging. Alligator clips for easy connections. Works with Boulder 50 and Boulder 100 solar panels.

Charge a 12V battery with your Goal Zero Boulder solar panel. 20-Amp solar controller regulates power output for a consistent charge and prevents overcharging. Alligator clips provide easy connections. Works with Boulder 200 solar panels.

Charge a 12V battery with your Goal Zero Boulder solar panel. 10-Amp solar controller regulates power output for a consistent charge and prevents overcharging. Ring terminals for secure connections. Works with Boulder 50 and Boulder 100 solar panels.

This 10-amp solar controller with PWM technology regulates solar panel output to provide consistent amperage to your batteries. Protects battery from harmful overcharging and uses automatic multistage charging to extend battery life.

Charge a 12V battery with your Goal Zero Boulder solar panel. 20-Amp solar controller regulates power output for a consistent charge and prevents overcharging. Ring terminals provide secure connections. Works with Boulder 200 solar panels.

30-Amp solar charge controller is designed to gather energy from your solar panels and store it in your Yeti tank expansion battery. External MPPT optimizes solar panel energy efficiency and charges your battery at an accelerated rate.

This 20-amp solar controller with PWM technology regulates solar panel output to provide consistent amperage to your batteries. Protects battery from harmful overcharging and uses automatic multistage charging to extend battery life.