{"id":34282,"date":"2019-10-21T05:35:27","date_gmt":"2019-10-20T19:05:27","guid":{"rendered":"https:\/\/www.solarquotes.com.au\/blog\/?p=34282"},"modified":"2021-01-07T13:33:06","modified_gmt":"2021-01-07T03:03:06","slug":"power-energy-batteries-mb1258","status":"publish","type":"post","link":"https:\/\/www.solarquotes.com.au\/blog\/power-energy-batteries-mb1258\/","title":{"rendered":"Solar Batteries, Power And Energy &#8211; What You Need To Know"},"content":{"rendered":"<div data-nosnippet=\"data-nosnippet\">\n<div class=\"youtube-wrapper\"><iframe title=\"Buying The Right Size Home Battery - The Difference Between Power and Energy\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/gTXcP4kex-U?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div>\n<p>If you&#8217;re considering a solar battery for your home, before making a purchase decision you should consider how much power it can provide as well as how much energy it can store. Finn explains the difference in this video and transcript.<!--more--><\/p>\n<p>Transcript:<\/p>\n<p>If you don&#8217;t know the difference between power and energy, <a href=\"https:\/\/www.youtube.com\/user\/SolarQuotesAustralia\/videos\"> watch my previous videos<\/a>&#8211; it&#8217;s really important (note: or check out <a href=\"https:\/\/www.solarquotes.com.au\/good-solar-guide\/power-energy-difference\/\">this article<\/a>).<\/p>\n<p>Now, here&#8217;s why energy and power are important when you&#8217;re buying a battery. A battery stores energy. The size of the battery is determined by how much energy it stores; so the size of a battery is measured in kilowatt-hours.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-34286\" src=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2019\/10\/tesla-powerwall.jpg\" alt=\"Tesla Powerwall 2\" width=\"750\" height=\"796\" srcset=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2019\/10\/tesla-powerwall.jpg 750w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2019\/10\/tesla-powerwall-283x300.jpg 283w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/p>\n<p>This is the Tesla Powerwall 2 &#8211; it is a thirteen and a half kilowatt hour battery. It stores thirteen and a half kilowatt hours of energy, but it also has a power rating. The power rating is how quickly you can get the energy in and how quickly you can get the energy out. In other words, how quickly it charges and discharges. The Powerwall 2 charges and discharges at five kilowatts, so it&#8217;s a thirteen and a half kilowatt hour battery with a power rating of five kilowatts. Now, let&#8217;s think about how that affects a battery.<\/p>\n<p><img decoding=\"async\" class=\"alignnone size-full wp-image-34285\" src=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2019\/10\/power-energy-battery.png\" alt=\"Different types of home batteries\" width=\"600\" height=\"544\" srcset=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2019\/10\/power-energy-battery.png 600w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2019\/10\/power-energy-battery-300x272.png 300w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/p>\n<p>I&#8217;m using the analogy of a bucket storing water for a battery storing electricity. Top left, we have a low-power battery. It stores a certain amount of energy. As you can see, because the inlet and the outlet are quite small, you can only dribble the energy in and dribble the energy out.<\/p>\n<p>Top right, we have a high-power battery. It stores the same amount of energy as the first one, but the inlets and the outlets, or the wires going in and out, are much fatter &#8211; so you can push water in at a much higher rate and you can get the water out at a much higher rate. You can charge it quickly and you can discharge it quickly.<\/p>\n<p>Bottom left, we have a low-energy battery, so now we&#8217;re looking at the size of the battery. It&#8217;s quite small, so it can&#8217;t store much water &#8211; it can&#8217;t store much energy. Then we have a high-energy battery. It stores a lot of water, a lot of electricity.<\/p>\n<p>So, they&#8217;re the four types of battery depending on whether you&#8217;re looking at power or energy.<\/p>\n<h2>Power And Energy Both Important Factors<\/h2>\n<p>Now, kilowatt hours are obviously important when you&#8217;re buying a battery because they determine how much energy you can store; i.e., how long it will last; how much energy it will deliver overnight.<\/p>\n<p>But power is important too. If the power is too low, you&#8217;re going to struggle to charge it because your solar power system at times will be producing more power than the battery can take in. And you will struggle to power your home because at times your home will need more power than the battery can deliver.<\/p>\n<p>So, look at both power and energy when <a href=\"https:\/\/www.solarquotes.com.au\/battery-storage\/comparison-table\/\"> buying a battery<\/a>.<\/p>\n<p>For more information on home energy storage and solar power, check out Finn&#8217;s &#8220;The Good Solar Guide&#8221; &#8211; the entire book is <a href=\"https:\/\/www.solarquotes.com.au\/good-solar-guide\/contents\/\">free to read online<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>If you&#8217;re considering a solar battery for your home, before making a purchase decision you should consider how much power it can provide as well as how much energy it can store. Finn explains the difference in this video and transcript.<\/p>\n","protected":false},"author":17,"featured_media":34283,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[678],"tags":[],"class_list":["post-34282","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-solar-battery-news","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Solar Batteries, Power And Energy - What You Need To Know<\/title>\n<meta name=\"description\" content=\"When make a battery purchase decision, you should consider how much power it can provide as well as how much energy it can store. Finn explains.\" \/>\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.solarquotes.com.au\/blog\/power-energy-batteries-mb1258\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Solar Batteries, Power And Energy - What You Need To Know\" \/>\n<meta property=\"og:description\" content=\"When make a battery purchase decision, you should consider how much power it can provide as well as how much energy it can store. Finn explains.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.solarquotes.com.au\/blog\/power-energy-batteries-mb1258\/\" \/>\n<meta property=\"og:site_name\" content=\"SolarQuotes Blog\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/SolarQuotes\/\" \/>\n<meta property=\"article:published_time\" content=\"2019-10-20T19:05:27+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-01-07T03:03:06+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2019\/10\/batteries-power-energy.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Michael Bloch\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@solar_quotes\" \/>\n<meta name=\"twitter:site\" content=\"@solar_quotes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/power-energy-batteries-mb1258\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/power-energy-batteries-mb1258\/\"},\"author\":{\"name\":\"Michael Bloch\",\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/#\/schema\/person\/66afd571aa00c2e442f0192ebac2f6f1\"},\"headline\":\"Solar Batteries, Power And Energy &#8211; What You Need To Know\",\"datePublished\":\"2019-10-20T19:05:27+00:00\",\"dateModified\":\"2021-01-07T03:03:06+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/power-energy-batteries-mb1258\/\"},\"wordCount\":556,\"commentCount\":2,\"publisher\":{\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/power-energy-batteries-mb1258\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2019\/10\/batteries-power-energy.jpg\",\"articleSection\":[\"General Solar &amp; Storage News\"],\"inLanguage\":\"en-AU\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.solarquotes.com.au\/blog\/power-energy-batteries-mb1258\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/power-energy-batteries-mb1258\/\",\"url\":\"https:\/\/www.solarquotes.com.au\/blog\/power-energy-batteries-mb1258\/\",\"name\":\"Solar Batteries, Power And Energy - What You Need To Know\",\"isPartOf\":{\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/power-energy-batteries-mb1258\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.solarquotes.com.au\/blog\/power-energy-batteries-mb1258\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2019\/10\/batteries-power-energy.jpg\",\"datePublished\":\"2019-10-20T19:05:27+00:00\",\"dateModified\":\"2021-01-07T03:03:06+00:00\",\"description\":\"When make a battery purchase decision, you should consider how much power it can provide as well as how much energy it can store. 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Most people do. But\u2026","rel":"","context":"In &quot;General Solar &amp; Storage News&quot;","block_context":{"text":"General Solar &amp; Storage News","link":"https:\/\/www.solarquotes.com.au\/blog\/category\/solar-battery-news\/"},"img":{"alt_text":"Solar : energy vs. power","src":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2019\/07\/solar-energy-power.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2019\/07\/solar-energy-power.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2019\/07\/solar-energy-power.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2019\/07\/solar-energy-power.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2019\/07\/solar-energy-power.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":94523,"url":"https:\/\/www.solarquotes.com.au\/blog\/home-battery-basics-mb3269\/","url_meta":{"origin":34282,"position":1},"title":"Home Battery Basics: Fundamentals You Need To Know","author":"Michael Bloch","date":"September 15, 2025","format":false,"excerpt":"https:\/\/www.youtube.com\/watch?v=84HJEpunQrg Don't go in blind when buying a solar battery \u2014 first understand these important fundamentals to help ensure you get the system you want (and need). 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What do they stand for? What do they mean? And what's the difference between the two? Watch the video, or read below to find\u2026","rel":"","context":"In &quot;Solar Installation&quot;","block_context":{"text":"Solar Installation","link":"https:\/\/www.solarquotes.com.au\/blog\/category\/solar-installation\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2012\/03\/solar-energy-generation.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2012\/03\/solar-energy-generation.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2012\/03\/solar-energy-generation.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2012\/03\/solar-energy-generation.png?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":14254,"url":"https:\/\/www.solarquotes.com.au\/blog\/home-depot-solar-battery-mb0173\/","url_meta":{"origin":34282,"position":4},"title":"Solar + Battery Storage For The Home Depot","author":"Michael Bloch","date":"August 21, 2017","format":false,"excerpt":"The world's largest\u00a0 home improvements retailer is installing solar panels on 50 more of its stores, along with Tesla Powerpack battery storage at some outlets. 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