BlueSolar PWM-Pro 
The BlueSolar PWM-Pro series is ready for use with its default settings. It also is fully programmable. 
• Lighting control function, fully programmable. 
• Three stage battery charging (bulk, absorption, float), fully programmable.
• Integrated battery monitor function (Remote Panel needed to display state of charge).
• Load output with low voltage disconnect and manual control (default setting).
• Optional external temperature sensor.
• Load output protected against over load and short circuit.
• Protected against reverse polarity connection of the solar panels and/or battery.
• Day/night timing options: see manual Remote Panel for details.  

BlueSolar PWM-LCD&USB 

• Liquid Crystal Display
• Two 5 Volt USB outputs
• Lighting control function, fully programmable  
• Three stage battery charging (bulk, absorption, float), fully programmable
• Load output with low voltage and manual disconnect (programmable)
• Load output protected against over load and short circuit
• Protected against reverse polarity connection of the solar panels and/or battery

BlueSolar PWM DUO-LCD&USB
All the above-mentioned functions, plus:

• Charges two separate batteries
• Programmable charge current ratio
• External Temperature sensor