30 amp solar panel charge controller from one of the most popular and respected brands, Steca.  This charge controller will regulate the raw electricity coming from your solar panel(s) and send it to your batteries in a controlled, intellegent and regulated way, making sure your batteries are charged in a stepped manner, preventing damage from overcharging.

Product features

• Series controller
• Automatic detection of voltage
• Voltage and current regulation
• PWM control
• Multistage charging technology
• Current compensated load disconnection
• Automatic load reconnection
• Temperature compensation
• Common positive grounding or negative grounding on one terminal
• Integrated self test
• Monthly maintenance charge
  

Electronic protection functions

• Overcharge protection
• Deep discharge protection
• Reverse polarity protection of load, module and battery
• Automatic electronic fuse
• Short circuit protection of load and module
• Overvoltage protection at module input
• Open circuit protection without battery
• Reverse current protection at night
• Overtemperature and overload protection
• Battery overvoltage shutdown
  

Displays

• Multifunction LED display
  
• Multi-coloured LED
• 5 LEDs show operating states
• for operation, state of charge, fault messages