UPSTL48-200L-500 - UPSPro 48V 200Ah Lithium Batt., Backup System , 48V 20A MPPT Charge Controller w/ 7 x GigE 24/48V 35W PoE + 1x 24/48V 2.25A Aux Port, 120/240VAC 72V 500W Power Supply, Pole/Wall Mount Steel Enclosure