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Amazon.com: ML7-12 - 12V 7.2AH Replacement UPS Battery for APC Back-UPS 550 BE550G : Health & Household
Amazon.com: APC UPS Battery Replacement, APCRBC110, for APC UPS Models BE550G, BE550MC, BN600MC and select others : Electronics
Amazon.com: APC Back-UPS CS 500VA : Electronics
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APC UPS BE850M2, 850VA UPS Battery Backup & Surge Protector, Backup Battery Uninterruptible Power Supply with (2) USB Charging Ports, APC Back-UPS Series : Electronics - Amazon.com
Amazon.com: Replacement Battery for APC Back UPS ES 350 : Health & Household
APC Power-Saving Back-UPS ES 550VA UPS Uninterruptible Power Supply, 230V Output | eBay
Amazon.com: Replacement Battery - Compatible with APC Back-UPS ES 550VA : Health & Household