Rational Electronic and Systems supplies Phase Controlled Type Battery Charger. Rational Electronic and Systems manufactures inverter, voltage stabilizer, control and power transformers and control rectifier. Phase Controlled Type Battery Charger has an output over-protection and a voltage dropping diodes facility. Phase Controlled Type Battery Charger is fully protected against overload and short circuit by means of constant current characteristics. The battery charger has a battery reverse voltage indication / protection facility.