1.0Lifehacker Australiahttps://www.lifehacker.com.auThorin Klosowskihttps://www.lifehacker.com.au/author/thorinklosowski-usa/rich600338<blockquote class="wp-embedded-content" data-secret="2CzRnSOEYl"><a href="https://www.lifehacker.com.au/2012/06/make-your-own-diy-battery-backup-system-from-recycled-batteries/">Make Your Own DIY Battery Backup System From Recycled Batteries</a></blockquote><iframe sandbox="allow-scripts" security="restricted" src="https://www.lifehacker.com.au/2012/06/make-your-own-diy-battery-backup-system-from-recycled-batteries/embed/#?secret=2CzRnSOEYl" width="600" height="338" title="“Make Your Own DIY Battery Backup System From Recycled Batteries” — Lifehacker Australia" data-secret="2CzRnSOEYl" frameborder="0" marginwidth="0" marginheight="0" scrolling="no" class="wp-embedded-content"></iframe><script> /*! This file is auto-generated */ !function(d,l){"use strict";l.querySelector&&d.addEventListener&&"undefined"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!/[^a-zA-Z0-9]/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret="'+t.secret+'"]'),o=l.querySelectorAll('blockquote[data-secret="'+t.secret+'"]'),c=new RegExp("^https?:$","i"),i=0;i<o.length;i++)o[i].style.display="none";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute("style"),"height"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):"link"===t.message&&(r=new URL(s.getAttribute("src")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener("message",d.wp.receiveEmbedMessage,!1),l.addEventListener("DOMContentLoaded",function(){for(var e,t,s=l.querySelectorAll("iframe.wp-embedded-content"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute("data-secret"))||(t=Math.random().toString(36).substring(2,12),e.src+="#?secret="+t,e.setAttribute("data-secret",t)),e.contentWindow.postMessage({message:"ready",secret:t},"*")},!1)))}(window,document); </script> If you’ve ever had the misfortune of losing power right in the middle of a big project you know the headache that can come with that. Over on Instructables, ooda55 guides you through the process of building your own battery backup system so you never lose a minute of work.