• Auto switch into DC power supply when AC power fails

• Select auto/manual charging mode automatically

• Storage battery failure, over voltage, over-heat and over time charging detection

• Automatic temperature control fan and over heat protection

• Built-in battery charge management and monitoring circuit

• When connected to AC power, DC24V will be off automatically

• Storage battery support two or one DC 24V lead-acid battery

• Selection charging mode automatically to ensure safety charging and service life

• Pre-charge-constant current-trickle charge

• High charging efficiency and restore efficiency

• Support multiple volumetric battery≤200Ah

• With ID pre-set its zone number up to 200 units

• With RS485 to communicate with third party system