{"id":3949,"date":"2025-11-12T06:14:56","date_gmt":"2025-11-12T05:14:56","guid":{"rendered":"https:\/\/www.batteriedeportable.com\/guides-et-conseils\/swollen-iphone-battery-causes-risks-solutions\/"},"modified":"2025-11-12T06:14:56","modified_gmt":"2025-11-12T05:14:56","slug":"swollen-iphone-battery-causes-risks-solutions","status":"publish","type":"post","link":"https:\/\/www.batterylaptop.co.uk\/guides\/swollen-iphone-battery-causes-risks-solutions\/","title":{"rendered":"The invisible danger: causes, risks and solutions for your swollen iPhone battery"},"content":{"rendered":"<p><span style=\"font-weight: 400;\">A <\/span><b>swollen <a href=\"https:\/\/www.batterylaptop.co.uk\/battery\/tablet\/apple.html\" target=\"_blank\" rel=\"noopener noreferrer\">iPhone battery<\/a><\/b><span style=\"font-weight: 400;\"> is the <\/span><b>physical manifestation<\/b><span style=\"font-weight: 400;\"> of an <\/span><b>internal chemical failure<\/b><span style=\"font-weight: 400;\"> within the lithium-ion cell of the <\/span><b>smartphone<\/b><span style=\"font-weight: 400;\">. This swelling is the result of the <\/span><b>build-up of gases<\/b><span style=\"font-weight: 400;\"> (mainly carbon dioxide and oxygen) produced by the <\/span><b>breakdown of the battery\u2019s chemical components<\/b><span style=\"font-weight: 400;\">. The most visible and alarming consequence is the <\/span><b>deformation of the iPhone<\/b><span style=\"font-weight: 400;\"> itself.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The signs of a <\/span><b>swollen iPhone battery<\/b><span style=\"font-weight: 400;\"> are often a <\/span><b>screen lifting up<\/b><span style=\"font-weight: 400;\"> from its frame, leaving a <\/span><b>slight gap<\/b><span style=\"font-weight: 400;\">, or a <\/span><b>noticeable bulge<\/b><span style=\"font-weight: 400;\"> in the back cover. It is <\/span><b>essential never to ignore<\/b><span style=\"font-weight: 400;\"> these signs, as the pressure caused by the swelling can <\/span><b>damage the screen<\/b><span style=\"font-weight: 400;\"> and internal circuitry, and above all <\/span><b>seriously compromise the user\u2019s safety<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<div style=\"padding: 80% 0 0 0; position: relative;\"><iframe style=\"position: absolute; top: 0; left: 0; width: 100%; height: 100%;\" src=\"https:\/\/player.vimeo.com\/video\/1135978259?autoplay=1&amp;loop=1\" frameborder=\"0\" allowfullscreen=\"allowfullscreen\"> <\/iframe><\/div>\n<h2><span style=\"font-weight: 400;\">The root causes of gas build-up inside the battery<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The appearance of a <\/span><b>swollen battery <\/b><span style=\"font-weight: 400;\">is rarely accidental and is often caused by <\/span><b>improper thermal or electrical management<\/b><span style=\"font-weight: 400;\">. <\/span><b>Natural battery wear<\/b><span style=\"font-weight: 400;\"> is the basic factor; over time, the risk of undesirable chemical reactions increases. However, this process is <\/span><b>accelerated by overheating<\/b><span style=\"font-weight: 400;\">: charging the <\/span><b>iPhone<\/b><span style=\"font-weight: 400;\"> with <\/span><b>non-certified accessories<\/b><span style=\"font-weight: 400;\">, leaving the device exposed to <\/span><b>direct sunlight<\/b><span style=\"font-weight: 400;\">, or subjecting it to <\/span><b>intensive use<\/b><span style=\"font-weight: 400;\"> in a hot environment are all practices that <\/span><b>severely stress<\/b><span style=\"font-weight: 400;\"> the internal chemistry.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">In addition, <\/span><b>chronic overcharging<\/b><span style=\"font-weight: 400;\"> (leaving the phone plugged in at 100% for long periods) or <\/span><b>repeated deep discharge<\/b><span style=\"font-weight: 400;\"> can also contribute to the <\/span><b>structural degradation<\/b><span style=\"font-weight: 400;\"> of the cells. <\/span><b>Physical stress<\/b><span style=\"font-weight: 400;\"> (impact, pressure) is another possible cause, as it can lead to internal <\/span><b>micro-cracks<\/b><span style=\"font-weight: 400;\"> that speed up the <\/span><b>production of gas<\/b><span style=\"font-weight: 400;\"> and cause the <\/span><b>iPhone battery to swell<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Immediate and long-term threats from a swollen battery<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">The risks associated with a <\/span><b>swollen iPhone battery<\/b><span style=\"font-weight: 400;\"> are both <\/span><b>material and personal<\/b><span style=\"font-weight: 400;\">. In terms of the device, the <\/span><b>internal pressure<\/b><span style=\"font-weight: 400;\"> can cause <\/span><b>irreversible damage<\/b><span style=\"font-weight: 400;\"> to the screen, flex cables and frame. Repairing this damage can prove <\/span><b>expensive<\/b><span style=\"font-weight: 400;\"> and is in addition to the cost of replacing the battery.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The <\/span><b>most critical risk<\/b><span style=\"font-weight: 400;\"> concerns <\/span><b>personal safety<\/b><span style=\"font-weight: 400;\">. A <\/span><b>swollen battery<\/b><span style=\"font-weight: 400;\"> is a <\/span><b>ticking time bomb<\/b><span style=\"font-weight: 400;\">: the cell\u2019s membrane is under extreme tension. Any rupture of this membrane (due to pressure or puncture) can expose the oxygen to the lithium-ion materials, triggering a <\/span><b>violent exothermic reaction<\/b><span style=\"font-weight: 400;\"> that can result in <\/span><b>toxic smoke leakage<\/b><span style=\"font-weight: 400;\"> or a <\/span><b>fire<\/b><span style=\"font-weight: 400;\"> (a phenomenon known as <\/span><i><span style=\"font-weight: 400;\">thermal runaway<\/span><\/i><span style=\"font-weight: 400;\">). It is <\/span><b>imperative to isolate the iPhone<\/b><span style=\"font-weight: 400;\"> as soon as any signs appear in order to <\/span><b>prevent this threat<\/b><span style=\"font-weight: 400;\">.<\/span><\/p>\n<h2><span style=\"font-weight: 400;\">Safety protocol and prevention for a swollen battery<\/span><\/h2>\n<p><span style=\"font-weight: 400;\">If you notice that a <\/span><b>swollen iPhone battery<\/b><span style=\"font-weight: 400;\"> is affecting your device, the immediate action is to <\/span><b>switch it off<\/b><span style=\"font-weight: 400;\"> and <\/span><b>unplug it from any power source<\/b><span style=\"font-weight: 400;\">. The <\/span><b>iPhone<\/b><span style=\"font-weight: 400;\"> should <\/span><b>no longer be used<\/b><span style=\"font-weight: 400;\">. It is <\/span><b>strongly advised<\/b><span style=\"font-weight: 400;\"> not to try to open the device or handle the battery yourself.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">The <\/span><b>only safe approach<\/b><span style=\"font-weight: 400;\"> is to take the <\/span><b>iPhone<\/b><span style=\"font-weight: 400;\"> to an <\/span><b>authorised or specialist repair service<\/b><span style=\"font-weight: 400;\"> that is equipped to deal with <\/span><b>swollen batteries<\/b><span style=\"font-weight: 400;\">. For <\/span><b>prevention<\/b><span style=\"font-weight: 400;\">, best practice includes <\/span><b>using compatible chargers<\/b><span style=\"font-weight: 400;\"> with the <\/span><b>iPhone<\/b><span style=\"font-weight: 400;\">, <\/span><b>avoiding overheating<\/b><span style=\"font-weight: 400;\"> (do not leave the device in a car in the sun) and <\/span><b>stopping the charge<\/b><span style=\"font-weight: 400;\"> once maximum capacity is reached.<\/span><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A swollen iPhone battery is the physical manifestation of an internal chemical failure within the lithium-ion cell of the smartphone. This swelling is the result of the build-up of gases (mainly carbon dioxide and oxygen) produced by the breakdown of&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[122],"tags":[],"class_list":["post-3949","post","type-post","status-publish","format-standard","hentry","category-battery"],"_links":{"self":[{"href":"https:\/\/www.batterylaptop.co.uk\/guides\/wp-json\/wp\/v2\/posts\/3949","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.batterylaptop.co.uk\/guides\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.batterylaptop.co.uk\/guides\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.batterylaptop.co.uk\/guides\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.batterylaptop.co.uk\/guides\/wp-json\/wp\/v2\/comments?post=3949"}],"version-history":[{"count":0,"href":"https:\/\/www.batterylaptop.co.uk\/guides\/wp-json\/wp\/v2\/posts\/3949\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.batterylaptop.co.uk\/guides\/wp-json\/wp\/v2\/media?parent=3949"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.batterylaptop.co.uk\/guides\/wp-json\/wp\/v2\/categories?post=3949"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.batterylaptop.co.uk\/guides\/wp-json\/wp\/v2\/tags?post=3949"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}