12FLX500 High Rate UPS Battery replces Douglas DSU12-500, DSU 12-500
$318.94
12 Volt 135 ah Fiamm 12 FLX 500 High Rate Sealed AGM Uninterruptible Power Supply UPS Backup Critical Power Standby Flame Retardant Battery with 10 year design life and 3 year warranty replaces 506w Douglas DSU12-500, DSU 12-500. Item 12FLX500