External battery cabinets provide longer battery run-time for connected devices. You can connect to 6 battery cabinets to a Vertiv Liebert PSI5 UPS. The batteries are valve-regulated, non-spillable, lead acid and should be kept charged to attain their design life.
Vertiv Liebert PSI5-72VBATT PSI5 UPS 72V External Battery Cabinet 9 Ah Lead-Acid 2U Designed for Vertiv Liebert PSI5-3000RT120 and PSI5-5000RT208
by NeweggConsumer Electronics
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$1199.99
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