Steca Solar System Manager, Solarix – PRS and PR Series, Tarom photo-voltaic battery charge controller of 5 to 145 Amps, 12/24/48 VDC. They have 12V, 24V and 48V options, and holds the record for high reliability in various environments World over. The Steca Family Charge Regulator has a simple, low component count design that is 100% solid state and is completely sealed against harsh environments. Lightning protection and a blocking diode are included. It has got the LVD & HVD which protect the systems against overcharging and discharging. They have a reverse polarity protection, and they have a digital display showing the systems status all the time.