{"product_id":"sigma-apc-ups-bf500bb-replacement-battery-cartridge","title":"APC BF500BB UPS Battery – RBC21 Compatible Replacement","description":"\u003cp\u003e\u003cstrong\u003eAPC BF500BB RBC21 compatible replacement.\u003c\/strong\u003e Sigma SG-RBC21 supplies one 12V high-rate battery. Compare the battery label, terminals and polarity before ordering.\u003c\/p\u003e\u003ch2\u003eRBC21 replacement battery specifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eAPC cartridge reference\u003c\/th\u003e\n\u003ctd\u003eRBC21 \/ APCRBC21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSigma battery model\u003c\/th\u003e\n\u003ctd\u003eSG1223W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003ePackage contents\u003c\/th\u003e\n\u003ctd\u003eOne 12V high-rate battery\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBattery quantity\u003c\/th\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eVoltage per battery\u003c\/th\u003e\n\u003ctd\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCapacity per battery\u003c\/th\u003e\n\u003ctd\u003e5.2Ah at the 20-hour rate, per linked manufacturer sheet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eChemistry\u003c\/th\u003e\n\u003ctd\u003eRechargeable AGM sealed lead-acid (SLA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eBattery terminals\u003c\/th\u003e\n\u003ctd\u003ePositive T2\/F2 6.35 mm; negative T1\/F1 4.75 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eDimensions per battery (L × W × case H)\u003c\/th\u003e\n\u003ctd\u003e140 × 48 × 102 mm; 103 mm overall height\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eApproximate net battery weight\u003c\/th\u003e\n\u003ctd\u003e1.63 kg total, excluding packaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSupplier replacement reference\u003c\/th\u003e\n\u003ctd\u003eSG-RBC21\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cp\u003eThe product photo identifies the high-rate SG-RBC21 version. Capacity above follows the linked technical sheet.\u003c\/p\u003e\u003ch2\u003eCheck your existing battery configuration\u003c\/h2\u003e\u003cp\u003eMatch the complete UPS model and revision, RBC reference, battery voltage, dimensions, terminal type and polarity. Use the supplied photos to check connections and reuse suitable original UPS leads where required. Follow the UPS manufacturer’s replacement instructions. The UPS is not included.\u003c\/p\u003e\u003ch2\u003eTechnical document\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"https:\/\/www.rocketdistributing.com\/cdn\/shop\/files\/rocket-sg1223w_1-8bef9a1a.pdf\"\u003eDownload SG1223W specifications (PDF)\u003c\/a\u003e. This document describes each battery, not a complete wired UPS cartridge.\u003c\/p\u003e\u003ch2\u003eRelated APC batteries\u003c\/h2\u003e\u003cp\u003e\u003ca href=\"\/collections\/sigma-batteries\/sigma-brand-apc+sigma-application-ups#sigma-results\"\u003eBrowse APC UPS replacement batteries\u003c\/a\u003e. Email \u003ca href=\"mailto:Sales@RocketDistributing.com\"\u003eSales@RocketDistributing.com\u003c\/a\u003e with your UPS model, RBC number, battery photos and quantity for matching help or volume pricing.\u003c\/p\u003e\u003cp\u003eAPC is a trademark of Schneider Electric. This is an aftermarket compatible replacement supplied by Sigma Power Systems.\u003c\/p\u003e","brand":"Sigma Power Systems","offers":[{"title":"Default Title","offer_id":54549570257214,"sku":"(SG-RBC21_1_SB1002)","price":31.71,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1525\/9100\/files\/RBC21fronttopview_1024x1024_0654ca01-0a88-4c0f-84dc-fb1326e6980c.jpg?v=1791125366","url":"https:\/\/www.rocketdistributing.com\/products\/sigma-apc-ups-bf500bb-replacement-battery-cartridge","provider":"RocketDistributing.com","version":"1.0","type":"link"}