{"id":4015,"date":"2026-01-06T06:41:52","date_gmt":"2026-01-06T05:41:52","guid":{"rendered":"https:\/\/www.batteriedeportable.com\/guides-et-conseils\/replace-battery-acer-predator-helios-300\/"},"modified":"2026-01-06T06:41:52","modified_gmt":"2026-01-06T05:41:52","slug":"replace-battery-acer-predator-helios-300","status":"publish","type":"post","link":"https:\/\/www.batterylaptop.co.uk\/guides\/replace-battery-acer-predator-helios-300\/","title":{"rendered":"How to replace the battery in your Acer Predator Helios 300: step\u2011by\u2011step guide"},"content":{"rendered":"

If the <\/span>battery<\/b> in your powerful <\/span>Acer Predator Helios 300 G3 571<\/b><\/a> is starting to weaken, don\u2019t panic. This guide shows you that you can handle the replacement yourself. It\u2019s a simple <\/span>DIY (Do It Yourself)<\/b> project because the <\/span>battery<\/b> is easy to access.<\/span><\/p>\n

We\u2019ll walk you through the process <\/span>step by step<\/b> to help you do the job in complete <\/span>safety<\/b>. We\u2019ll pay particular attention to fragile parts, especially the hard drive.<\/span><\/p>\n

Preparation: making your workspace safe<\/span><\/h2>\n

Safety always comes first. Take a moment to set up your workspace to avoid any accidents.<\/span><\/p>\n

1. Tools you\u2019ll need<\/span><\/h3>\n

To make sure the replacement goes smoothly, gather the following items:<\/span><\/p>\n

    \n
  • A <\/span>new compatible battery<\/b>.<\/span><\/li>\n
  • A suitable <\/span>screwdriver<\/b>.<\/span><\/li>\n
  • Tools to lift the <\/span>casing<\/b> (a guitar pick or a card).<\/span><\/li>\n
  • Essential reminder:<\/b> Only use <\/span>plastic tools<\/b> to avoid scratching the laptop\u2019s <\/span>casing<\/b>.<\/span><\/li>\n<\/ul>\n

    2. Safety rules to follow<\/span><\/h3>\n

    These instructions are <\/span>mandatory<\/b> for your protection and for your laptop.<\/span><\/p>\n

      \n
    • Check it\u2019s fully shut down:<\/b> The laptop must be <\/span>completely turned off<\/b> (make sure you actually clicked <\/span>Shut down<\/b>).<\/span><\/li>\n
    • No external power:<\/b> The laptop must be <\/span>unplugged from the charger<\/b> and from the wall socket.<\/span><\/li>\n
    • Electrical warning:<\/b> Even when it\u2019s off, there can still be power!<\/b> Never forget that the internal <\/span>battery<\/b> can still be supplying power to certain areas of the <\/span>casing<\/b>.<\/span><\/li>\n
    • No metal objects:<\/b> Never use metal tools<\/b> (pliers, knives) inside the laptop to remove the <\/span>battery<\/b> or handle the cables. You could cause a short circuit or a cut.<\/span><\/li>\n<\/ul>\n