{"id":92571,"date":"2025-06-14T07:05:36","date_gmt":"2025-06-13T21:35:36","guid":{"rendered":"https:\/\/www.solarquotes.com.au\/blog\/?p=92571"},"modified":"2025-06-13T13:51:33","modified_gmt":"2025-06-13T04:21:33","slug":"phase-shift-buying-a-battery-dont-be-a-tightarse","status":"publish","type":"post","link":"https:\/\/www.solarquotes.com.au\/blog\/phase-shift-buying-a-battery-dont-be-a-tightarse\/","title":{"rendered":"Phase Shift: Buying a Battery? Don\u2019t Be a Tightarse"},"content":{"rendered":"<p><img decoding=\"async\" class=\"alignnone size-full wp-image-92580\" src=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/06\/battery-peace-of-mind.png\" alt=\"An illustration of a man thinking about money and another man thinking of happiness\" width=\"1200\" height=\"628\" srcset=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/06\/battery-peace-of-mind.png 1200w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/06\/battery-peace-of-mind-300x157.png 300w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/06\/battery-peace-of-mind-1024x536.png 1024w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2025\/06\/battery-peace-of-mind-768x402.png 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/>With the federal battery rebate kicking in from July 1, demand for home battery quotes has gone ballistic.<\/p>\n<p>It&#8217;s not hard to see why. Thousands of dollars in subsidies. Rising grid prices. More households with solar. And batteries finally starting to feel like part of the modern home, not a science experiment bolted to the garage wall.<\/p>\n<p><!--more-->So the question flying in thick and fast is:<\/p>\n<blockquote><p>&#8220;What size battery should I buy?&#8221;<\/p><\/blockquote>\n<p>But I reckon that&#8217;s the second question you should be asking.<\/p>\n<p>The first is this:<\/p>\n<blockquote><p>&#8220;Do I want a battery that makes financial sense, or one that makes me happy?&#8221;<\/p><\/blockquote>\n<p>Because the battery that gives you the best financial return is likely smaller than you expect. <a href=\"https:\/\/www.solarquotes.com.au\/battery-storage\/payback\/\">For fastest payback<\/a>, you want it to fully discharge most nights, so you&#8217;re wringing every drop of value from those lithium cells. For many homes, that&#8217;s a battery as small as 5 kWh. In fact, some well-meaning government departments have even recommended a teeny tiny 5 kWh battery as optimal for most homes.<\/p>\n<p>But there&#8217;s a catch.<\/p>\n<div id=\"attachment_67885\" style=\"width: 1210px\" class=\"wp-caption alignnone\"><img decoding=\"async\" aria-describedby=\"caption-attachment-67885\" class=\"size-full wp-image-67885\" src=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2022\/11\/battery-blackout-capability.jpg\" alt=\"Home battery blackout capabilities\" width=\"1200\" height=\"630\" srcset=\"https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2022\/11\/battery-blackout-capability.jpg 1200w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2022\/11\/battery-blackout-capability-300x158.jpg 300w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2022\/11\/battery-blackout-capability-1024x538.jpg 1024w, https:\/\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2022\/11\/battery-blackout-capability-768x403.jpg 768w\" sizes=\"(max-width: 1200px) 100vw, 1200px\" \/><p id=\"caption-attachment-67885\" class=\"wp-caption-text\">It is not hard to tell which house on the street is mine when there&#8217;s a blackout.<\/p><\/div>\n<h2>Blackouts &amp; Battery Degradation<\/h2>\n<p>Go too small and you&#8217;ll regret it. Not in your payback spreadsheet, but in real life.<\/p>\n<p>You&#8217;ll be the one in a blackout with no reserve and no lights (if you are worried about blackouts, you should reserve at least 2 kWh for <a href=\"https:\/\/www.solarquotes.com.au\/battery-storage\/comparison-table\/#blackout\">backup duties<\/a>).<\/p>\n<p>You&#8217;ll be the one kicking yourself when winter nights demand a top-up from the grid during the peak pricing period.<\/p>\n<p>And don&#8217;t forget: <a href=\"https:\/\/www.solarquotes.com.au\/blog\/battery-degradation-solar-power-system\/\">batteries degrade<\/a>. Most are only warranted to retain 70% of their original capacity after 10 years. So that &#8220;just enough&#8221; 5 kWh battery could shrink to 3.5 kWh by the time it hits double digits. Still technically working, but barely. You&#8217;ll spend more time topping it up and less time feeling like it&#8217;s pulling its weight. At that point, you&#8217;ll ask yourself: why did I even bother?<\/p>\n<h2>A Different Kind Of Rational<\/h2>\n<p>Which is why, if you can afford it, adding a few extra kilowatt-hours now makes more sense than ever. With the new rebate, those extra kWh come <a href=\"https:\/\/www.solarquotes.com.au\/battery-storage\/federal-rebate\/\">at a serious discount<\/a>. What felt like a splurge a few weeks ago might now be the smarter, longer-term move.<\/p>\n<p>It&#8217;s not irrational. It&#8217;s just a different kind of rational.<\/p>\n<p>So go ahead, <a href=\"https:\/\/www.solarquotes.com.au\/battery-storage\/calculator\/\">crunch the numbers<\/a>. But before you do, be honest about what&#8217;s more important to you, <a href=\"https:\/\/www.solarquotes.com.au\/battery-storage\/payback\/\">the shortest payback period<\/a>, or the peace of mind that your battery&#8217;s actually got your back.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>With the federal battery rebate kicking in from July 1, demand for home battery quotes has gone ballistic. It&#8217;s not hard to see why. Thousands of dollars in subsidies. Rising grid prices. More households with solar. And batteries finally starting to feel like part of the modern home, not a science experiment bolted to the [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":92580,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_post_was_ever_published":false},"categories":[551],"tags":[],"class_list":["post-92571","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-battery-storage","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.0 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Buying a Battery? 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