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This is an eight-pack of sealed lead-acid 12V 9Ah batteries that Mighty Max lists as compatible with APC RBC12, RBC26 and RBC27 replacement cartridges. Each battery is a standard 4.02-inch-tall AGM block, so it fits many APC Smart-UPS and Back-UPS models that take 9Ah cells. Buying the eight-pack suits owners replacing a whole rack or several UPS units at once. Against APC's own cartridge kits, you do the wiring and terminal work yourself, but you get the same lead-acid chemistry in a generic housing.
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Lowest price we've seen: $160.00 on Nov 11 at Lowe's. Tracked across 1 store since Nov 11.
Owners of these Mighty Max 9Ah blocks generally report they drop into APC trays and run the UPS again, and many praise the value of the multi-pack. Complaints center on mismatched terminal layouts, short service life and the work of moving APC harnesses.
This is an 8-pack of 12V 9AH lead-acid batteries from Mighty Max Battery. They are UPS batteries, listed as compatible with APC RBC12, RBC26 and RBC27 units.
