The Samlex is a advanced fully automatic three-stage 40 Amp battery charger and is ideal for charging all types of 24 Volt lead-acid batteries ( Flooded / Absorbed Glass Mat (AGM) / Gel Cell) from a 120 V, 60 Hz or 230 V, 50 Hz AC source. Using a a DIP switch setting, a conversion to a two-stage algorithm is possible to charge batteries connected to a DC load (DC UPS). The unit can also be used as a DC Power Supply. Benefits from an overload, short-circuit and over-temperature protection. The unit allows charging of up to two separate battery banks.