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Does anyone check their UPS battery? How often do you replace yours or check if it needs replacing? : r/synology
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Tripp Lite 2U UPS Replacement Battery Cartridge 48VDC for select SmartPro UPS Systems 1 set of 4 - 48 V DC - 3 Year Minimum Battery Life - 5 Year Maximum Battery Life RBC94-2U 719388637455
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