Mean Well AD155C battery charger power supply, power supply, according to design:built-in, input/output: AC - DC, the nominal input voltage is: 230 V AC, the input voltage range is: , the nominal output voltage is: 54 V DC, nominal output current is: 2,7 A, output power is: 145,8 VA/W, battery charging: supported, number of outputs: 2 pair output from terminal block , fault report: , method of reporting faults: , protection against reverse polarity: , overload protection: short-circuit protected, surge protection: , deep discharge protection: , stabilized: supported, IP rating level: , cooling: passive.