{"id":45,"date":"2026-02-12T00:29:55","date_gmt":"2026-02-12T00:29:55","guid":{"rendered":"https:\/\/securitywholesalers.com.au\/tools\/?page_id=45"},"modified":"2026-02-12T01:11:35","modified_gmt":"2026-02-12T01:11:35","slug":"ups-backup-time-calculator","status":"publish","type":"page","link":"https:\/\/www.securitywholesalers.com.au\/tools\/ups-backup-time-calculator\/","title":{"rendered":"UPS Backup Time Calculator"},"content":{"rendered":"\r\n  <div id=\"sw-ups-calculator\" class=\"sw-tool-box\">\r\n\r\n    <h2>UPS Backup Time Calculator<\/h2>\r\n\r\n    <p style=\"margin-bottom:15px;\">\r\n      Estimate how long your CCTV system will stay online during a power outage.\r\n      Adjust device wattages for more accurate results.\r\n    <\/p>\r\n\r\n    <!-- UPS Size -->\r\n    <label><strong>UPS Size (VA)<\/strong><\/label>\r\n    <select id=\"sw_ups_va\">\r\n      <option value=\"650\">650VA<\/option>\r\n      <option value=\"850\">850VA<\/option>\r\n      <option value=\"1000\">1000VA<\/option>\r\n      <option value=\"1500\" selected>1500VA<\/option>\r\n      <option value=\"2000\">2000VA<\/option>\r\n      <option value=\"3000\">3000VA<\/option>\r\n    <\/select>\r\n\r\n    <hr>\r\n\r\n    <!-- Cameras -->\r\n    <label><strong>Number of Cameras<\/strong><\/label>\r\n    <input type=\"number\" id=\"sw_ups_cams\" value=\"4\" min=\"0\">\r\n\r\n    <label style=\"margin-top:5px;\">\r\n      <small>Average Watts Per Camera<\/small>\r\n    <\/label>\r\n    <input type=\"number\" id=\"sw_ups_cam_watts\" value=\"8\" min=\"1\">\r\n\r\n    <hr>\r\n\r\n    <!-- NVR -->\r\n    <label><strong>NVR Power Draw (Watts)<\/strong><\/label>\r\n    <input type=\"number\" id=\"sw_ups_nvr_watts\" value=\"25\" min=\"0\">\r\n    <small>Set to 0 if no NVR<\/small>\r\n\r\n    <hr>\r\n\r\n    <!-- PoE Switch -->\r\n    <label><strong>PoE Switch Base Power Draw (Watts)<\/strong><\/label>\r\n    <input type=\"number\" id=\"sw_ups_switch_watts\" value=\"20\" min=\"0\">\r\n    <small>Excludes PoE camera load (handled above)<\/small>\r\n\r\n    <hr>\r\n\r\n    <!-- Router -->\r\n    <label><strong>Router \/ Modem Power Draw (Watts)<\/strong><\/label>\r\n    <input type=\"number\" id=\"sw_ups_router_watts\" value=\"10\" min=\"0\">\r\n\r\n    <hr>\r\n\r\n    <!-- Custom Devices -->\r\n    <h3 style=\"margin-top:20px;\">Custom Devices<\/h3>\r\n\r\n    <p style=\"font-size:14px;color:#555;\">\r\n      Add extra equipment such as Starlink, intercoms, monitors, NAS units, WiFi bridges, etc.\r\n    <\/p>\r\n\r\n<div id=\"swUpsCustomDevices\" style=\"margin-top:15px;margin-bottom:15px;\"><\/div>\r\n\r\n    <button type=\"button\" id=\"swAddDeviceBtn\" style=\"margin-bottom:15px;\">\r\n      + Add Another Device\r\n    <\/button>\r\n\r\n    <hr>\r\n\r\n    <!-- Calculate Button -->\r\n    <button id=\"swUpsCalcBtn\">\r\n      Calculate Backup Time\r\n    <\/button>\r\n\r\n    <!-- Output -->\r\n    <div id=\"swUpsResult\" style=\"margin-top:20px;\"><\/div>\r\n\r\n  <\/div>\r\n\r\n  \n\n\n\n<p><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">UPS Backup Time Calculator \u2013 How to Use It<\/h2>\n\n\n\n<p>A UPS (Uninterruptible Power Supply) is one of the most important upgrades you can add to a CCTV system. During a power outage, a UPS can keep your cameras, NVR, PoE switch, and internet connection running for a period of time \u2014 allowing recording to continue and maintaining remote access.<\/p>\n\n\n\n<p>Our UPS Backup Time Calculator helps you estimate how long your CCTV system will stay online based on the equipment you have connected.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Step 1 \u2013 Select Your UPS Size<\/h3>\n\n\n\n<p>Start by choosing the size of your UPS in <strong>VA (Volt-Amps)<\/strong>. Common sizes include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>650VA (small CCTV systems)<\/li>\n\n\n\n<li>1000VA (medium setups)<\/li>\n\n\n\n<li>1500VA+ (larger systems or longer backup time)<\/li>\n<\/ul>\n\n\n\n<p>Larger UPS units contain bigger batteries and will typically provide longer runtime.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Step 2 \u2013 Enter Your CCTV Equipment Load<\/h3>\n\n\n\n<p>Next, enter the devices you want to keep powered during an outage:<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Cameras<\/h4>\n\n\n\n<p>Enter the total number of cameras, then adjust the average watts per camera if needed.<\/p>\n\n\n\n<p>As a guide:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Standard IR turret\/bullet cameras: <strong>6\u20138W<\/strong><\/li>\n\n\n\n<li>Dual-light or ColorVu cameras: <strong>9\u201312W<\/strong><\/li>\n\n\n\n<li>PTZ cameras: <strong>20\u201340W+<\/strong><\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">NVR Power Draw<\/h4>\n\n\n\n<p>Most NVRs typically consume around <strong>20\u201340W<\/strong>, depending on the number of hard drives installed.<\/p>\n\n\n\n<p>Set this to <strong>0W<\/strong> if you are not running an NVR.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">PoE Switch Power Draw<\/h4>\n\n\n\n<p>PoE switches consume a small amount of base power themselves (usually around <strong>15\u201330W<\/strong>), in addition to the power supplied to cameras (already counted above).<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Router \/ Modem<\/h4>\n\n\n\n<p>If you want remote viewing to stay online during an outage, include your modem or router (typically <strong>8\u201315W<\/strong>).<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Step 3 \u2013 Add Any Custom Devices (Optional)<\/h3>\n\n\n\n<p>Many CCTV installations include additional equipment beyond cameras and recorders.<\/p>\n\n\n\n<p>You can add extra devices such as:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Starlink or 4G routers<\/li>\n\n\n\n<li>Intercom systems<\/li>\n\n\n\n<li>Network video decoders<\/li>\n\n\n\n<li>NAS storage units<\/li>\n\n\n\n<li>Wireless bridges<\/li>\n\n\n\n<li>Monitoring screens<\/li>\n<\/ul>\n\n\n\n<p>Simply click <strong>\u201cAdd Another Device\u201d<\/strong>, enter the device name, and input its wattage.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Step 4 \u2013 Calculate Backup Time<\/h3>\n\n\n\n<p>Click <strong>Calculate Backup Time<\/strong> to instantly see:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Total system power load (Watts)<\/li>\n\n\n\n<li>Estimated UPS battery capacity (Wh)<\/li>\n\n\n\n<li>Expected runtime in hours and minutes<\/li>\n\n\n\n<li>A full breakdown of where power is being used<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Important Notes About Runtime Estimates<\/h3>\n\n\n\n<p>UPS backup time is always an estimate, and real-world results vary depending on:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Battery age and condition<\/li>\n\n\n\n<li>UPS efficiency and inverter losses<\/li>\n\n\n\n<li>Temperature and installation environment<\/li>\n\n\n\n<li>Whether cameras activate IR or white-light LEDs at night<\/li>\n\n\n\n<li>Sudden load spikes (especially with PTZ movement or deterrence lighting)<\/li>\n<\/ul>\n\n\n\n<p>For this reason, we recommend allowing a safety margin and sizing your UPS slightly larger than the minimum requirement.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Need Help Choosing the Right UPS?<\/h3>\n\n\n\n<p>If you\u2019d like advice on the best UPS size for your CCTV system, or you want a runtime target (e.g. 2 hours, 6 hours, overnight backup), feel free to contact the Security Wholesalers team \u2014 we can recommend the best solution based on your exact equipment.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>UPS Backup Time Calculator \u2013 How to Use It A UPS (Uninterruptible Power Supply) is one of the most important upgrades you can add to a CCTV system. During a power outage, a UPS can keep your cameras, NVR, PoE switch, and internet connection running for a period of time \u2014 allowing recording to continue [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-45","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.9 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>UPS Backup Time Calculator - CCTV installer tools<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.securitywholesalers.com.au\/tools\/ups-backup-time-calculator\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"UPS Backup Time Calculator - CCTV installer tools\" \/>\n<meta property=\"og:description\" content=\"UPS Backup Time Calculator \u2013 How to Use It A UPS (Uninterruptible Power Supply) is one of the most important upgrades you can add to a CCTV system. 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