{"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_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":[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 v27.2 (Yoast SEO v27.2) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Buying a Battery? 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It had one job to do -- inform NSW families if a home battery makes financial sense for them\u2026","rel":"","context":"In &quot;Battery Storage&quot;","block_context":{"text":"Battery Storage","link":"https:\/\/www.solarquotes.com.au\/blog\/category\/battery-storage\/"},"img":{"alt_text":"nsw government battery calculator","src":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2020\/07\/nsw-calculator.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2020\/07\/nsw-calculator.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2020\/07\/nsw-calculator.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2020\/07\/nsw-calculator.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2020\/07\/nsw-calculator.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":4677,"url":"https:\/\/www.solarquotes.com.au\/blog\/tesla-to-shake-up-solar-battery-storage\/","url_meta":{"origin":92571,"position":2},"title":"Tesla to shake up solar battery storage","author":"Staff Writer","date":"April 28, 2015","format":false,"excerpt":"Solar energy\u2019s Great Leap Forward in efficiency and viability is about to be joined by its natural twin, solar battery storage. This scenario, which was hinted at by electric car manufacturer Tesla during the week, will reverberate around the energy community and send shudders down the collective spines of fossil\u2026","rel":"","context":"In &quot;Battery Storage&quot;","block_context":{"text":"Battery Storage","link":"https:\/\/www.solarquotes.com.au\/blog\/category\/battery-storage\/"},"img":{"alt_text":"tesla battery","src":"https:\/\/i0.wp.com\/s-media-cache-ak0.pinimg.com\/736x\/74\/83\/2b\/74832be5006293c91f82779ef70d61fd.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/s-media-cache-ak0.pinimg.com\/736x\/74\/83\/2b\/74832be5006293c91f82779ef70d61fd.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/s-media-cache-ak0.pinimg.com\/736x\/74\/83\/2b\/74832be5006293c91f82779ef70d61fd.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/s-media-cache-ak0.pinimg.com\/736x\/74\/83\/2b\/74832be5006293c91f82779ef70d61fd.jpg?resize=700%2C400&ssl=1 2x"},"classes":[]},{"id":24134,"url":"https:\/\/www.solarquotes.com.au\/blog\/sa-battery-rebate-information\/","url_meta":{"origin":92571,"position":3},"title":"SA Battery Rebate: Examining The Scant Details Released So Far","author":"Ronald Brakels","date":"September 10, 2018","format":false,"excerpt":"As part of their election campaign the the South Australian Liberal Party promised to provide a $100 million home battery subsidy.\u00a0 Five months after victory they have released information outlining the subsidy scheme that will: Apparently start in October. 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The QLD government has just kicked off the Battery Booster program, a straightforward Queensland battery rebate aimed at reducing the upfront cost of adding a battery to your solar power system. Here\u2019s the\u2026","rel":"","context":"In &quot;Battery Storage&quot;","block_context":{"text":"Battery Storage","link":"https:\/\/www.solarquotes.com.au\/blog\/category\/battery-storage\/"},"img":{"alt_text":"2 powerwalls","src":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2024\/02\/powerwalls.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2024\/02\/powerwalls.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2024\/02\/powerwalls.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2024\/02\/powerwalls.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.solarquotes.com.au\/blog\/wp-content\/uploads\/2024\/02\/powerwalls.jpg?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":29925,"url":"https:\/\/www.solarquotes.com.au\/blog\/smart-energy-council-batteries\/","url_meta":{"origin":92571,"position":5},"title":"Smart Energy Council Says Dumb Things About Batteries","author":"Ronald Brakels","date":"May 6, 2019","format":false,"excerpt":"On Thursday the 1st of May the Smart Energy Council put out a press release[1. 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