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...