Sophisticated Charger That Supplies Charging Energy In A Precisely Regulated Fashion To Avoid Damage Through Gassing And A Shortened Service Life. Can Be Used To Charge A Wide Range Of Vrla And Rg Sealed Batteries. Coloured Leds To Show The Status Of The Charger. Complies With Iec 335 2 29 Specifications. Reverse Polarity Protection; Internal Relay Protection To Prevent Discharge Of Battery Through Charger; Mains Input Protection. * For Use With 12 V Normal (Flooded Or Vented) Lead Acid Batteries. Rated Output 4 A D.C. Rms; 5 A D.C. Eff.