{"id":6721,"date":"2025-08-21T02:09:28","date_gmt":"2025-08-21T02:09:28","guid":{"rendered":"https:\/\/ascomputerspro.com\/store\/?p=6721"},"modified":"2026-08-31T20:14:24","modified_gmt":"2026-08-31T20:14:24","slug":"understanding-battery-capacity","status":"publish","type":"post","link":"https:\/\/ascomputerspro.com\/store\/2025\/08\/21\/understanding-battery-capacity\/","title":{"rendered":"Understanding Battery Capacity"},"content":{"rendered":"\n<ol class=\"wp-block-list\">\n<li><strong>What Does Ah Mean?<\/strong>\n<ul class=\"wp-block-list\">\n<li>The amp-hour (Ah) rating indicates how much current a battery can deliver over time. A\u00a0<strong>17.5 Ah battery<\/strong>\u00a0can theoretically provide\u00a0<strong>17.5 amps for one hour<\/strong>, or proportionately longer at lower currents.<br><br><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Converting Ah to Watt-Hours (Wh)<\/strong>\n<ul class=\"wp-block-list\">\n<li>To calculate how long a battery can run an appliance, we first convert its capacity from amp-hours to watt-hours:Watt Hours Wh =Voltage V \u00d7Amp Hours Ah&nbsp;&nbsp;<\/li>\n\n\n\n<li>For a\u00a0<strong>48V 17.5 Ah battery<\/strong>: Wh=48V\u00d717.5Ah=840Wh\u00a0<br><br><\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>Runtime Calculation Formula<\/strong>\n<ul class=\"wp-block-list\">\n<li>The formula to calculate runtime is: Runtime&nbsp;hours&nbsp;= (Battery&nbsp;Capacity&nbsp;Wh)&nbsp;\/ (Power&nbsp;Consumption&nbsp;W\u200b)<\/li>\n\n\n\n<li>For example, if you have a device that have&nbsp;<strong>500W<\/strong> Motor and <strong>840Wh<\/strong> Battery Capacity: <\/li>\n\n\n\n<li><strong>Runtime=<\/strong> 840Wh\/500W=1.68&nbsp;hours<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Run&nbsp;Time&nbsp;(hours) = [Battery&nbsp;Capacity&nbsp;(Ah) \u00d7 Battery&nbsp;Voltage&nbsp;(V)\u200b] \/ Device&nbsp;Power&nbsp;Consumption&nbsp;(W)<\/strong><\/h2>\n","protected":false},"excerpt":{"rendered":"<p>Run&nbsp;Time&nbsp;(hours) = [Battery&nbsp;Capacity&nbsp;(Ah) \u00d7 Battery&nbsp;Voltage&nbsp;(V)\u200b] \/ Device&nbsp;Power&nbsp;Consumption&nbsp;(W)<\/p>\n","protected":false},"author":1,"featured_media":6725,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bst_post_transparent":"","_bst_post_title":"","_bst_post_layout":"","_bst_post_sidebar_id":"","_bst_post_content_style":"","_bst_post_vertical_padding":"","_bst_post_feature":"","_bst_post_feature_position":"","_bst_post_header":false,"_bst_post_footer":false,"footnotes":""},"categories":[1],"tags":[],"class_list":["post-6721","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"_links":{"self":[{"href":"https:\/\/ascomputerspro.com\/store\/wp-json\/wp\/v2\/posts\/6721","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ascomputerspro.com\/store\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ascomputerspro.com\/store\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ascomputerspro.com\/store\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ascomputerspro.com\/store\/wp-json\/wp\/v2\/comments?post=6721"}],"version-history":[{"count":7,"href":"https:\/\/ascomputerspro.com\/store\/wp-json\/wp\/v2\/posts\/6721\/revisions"}],"predecessor-version":[{"id":9218,"href":"https:\/\/ascomputerspro.com\/store\/wp-json\/wp\/v2\/posts\/6721\/revisions\/9218"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ascomputerspro.com\/store\/wp-json\/wp\/v2\/media\/6725"}],"wp:attachment":[{"href":"https:\/\/ascomputerspro.com\/store\/wp-json\/wp\/v2\/media?parent=6721"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ascomputerspro.com\/store\/wp-json\/wp\/v2\/categories?post=6721"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ascomputerspro.com\/store\/wp-json\/wp\/v2\/tags?post=6721"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}