{"id":150637,"date":"2026-05-21T15:42:16","date_gmt":"2026-05-21T15:42:16","guid":{"rendered":"https:\/\/christiancorner.us\/index.php\/2026\/05\/21\/i-tested-a-portable-battery-with-graphene-heat-dissipation-and-opened-it-up-for-proof\/"},"modified":"2026-05-21T15:46:04","modified_gmt":"2026-05-21T15:46:04","slug":"i-tested-a-portable-battery-with-graphene-heat-dissipation-and-opened-it-up-for-proof","status":"publish","type":"post","link":"https:\/\/christiancorner.us\/index.php\/2026\/05\/21\/i-tested-a-portable-battery-with-graphene-heat-dissipation-and-opened-it-up-for-proof\/","title":{"rendered":"I tested a portable battery with graphene heat dissipation \u2013 and opened it up for proof"},"content":{"rendered":"<p>\n<\/p>\n<div>\n<div class=\"c-shortcodeReviewCard\">\n<div class=\"c-reviewCard g-outer-spacing-bottom-large\">\n<div class=\"u-flexbox u-flexbox-column\"><a rel=\"noopener nofollow sponsored\" target=\"_blank\" href=\"https:\/\/assoc-redirect.amazon.com\/g\/r\/https:\/\/www.amazon.com\/dp\/B0FR97PS76?tag=cnet-api-20&amp;linkCode=ogi&amp;th=1&amp;psc=1\" data-aps-asin=\"B0FR97PS76\" data-aps-asc-tag=\"zd-buy-button-20\" data-aps-asc-subtag=\"__COM_CLICK_ID__|null|dtp\" class=\"c-reviewCard_topButton\"><\/p>\n<div class=\"c-reviewCard_head g-outer-spacing-bottom-small\">\n<figure class=\"c-globalImage\" style=\"padding-bottom:calc(9\/16* 100%);\">\n<div><picture class=\"c-cmsImage c-cmsImage_loaded\" style=\"aspect-ratio:456\/306;\"> <\/picture><\/div>\n<p> <!----><\/figure>\n<\/p><\/div>\n<p><\/a> <\/p>\n<div class=\"c-reviewCard_lists g-text-xsmall\">\n<h4 class=\"g-text-large g-text-large-bold g-outer-spacing-bottom-xsmall\">Pros and cons<\/h4>\n<div class=\"c-prosCons c-prosCons g-text-small c-prosCons-horizontal\">\n<div class=\"c-prosCons_list c-prosCons_list-pros\"><strong class=\"c-prosCons_title u-text-lowercase g-outer-spacing-bottom-xsmall u-block\">Pros<\/strong> <\/p>\n<ul class=\"c-prosCons_listElement\">\n<li><span>exceptionally thin and light<\/span><\/li>\n<li><span>Can charge two devices simultaneously<\/span><\/li>\n<li><span>Stays cool even under rigorous use.<\/span><\/li>\n<\/ul>\n<\/div>\n<div class=\"c-prosCons_list c-prosCons_list-cons\"><strong class=\"c-prosCons_title u-text-lowercase g-outer-spacing-bottom-xsmall u-block\">Shortcoming<\/strong> <\/p>\n<ul class=\"c-prosCons_listElement\">\n<li><span>Aluminum and glass are not particularly strong.<\/span><\/li>\n<\/ul>\n<\/div>\n<\/div>\n<\/div>\n<p> <!---->  <!----><\/div>\n<\/div>\n<\/div>\n<p><em>Follow ZDNET: <\/em><span class=\"c-commerceLink\"><a rel=\"noopener nofollow sponsored\" target=\"_blank\" href=\"https:\/\/cc.zdnet.com\/v1\/otc\/00hQi47eqnEWQ6T9d4QLBUc?element=BODY&amp;element_label=Add+us+as+a+preferred+Google+source&amp;module=LINK&amp;object_type=text-link&amp;object_uuid=5e5d2e64-4b30-43e6-8555-26eac7e449f3&amp;position=1&amp;template=article&amp;track_code=__COM_CLICK_ID__&amp;url=https%3A%2F%2Fwww.google.com%2Fpreferences%2Fsource%3Fq%3Dzdnet.com&amp;view_instance_uuid=379e95d2-6b56-476b-a90b-043a8dd63bd3\"><span>Add us as a favorite source<\/span><!----><\/a><\/span><em>  On Google.<\/em><\/p>\n<hr\/>\n<p>There are several &#8220;MagSafe&#8221; magnetic wireless battery packs available on the market. Some are great, some are varying degrees of disappointing. And sometimes, the tools are just a cut above the rest. These packs are well built, use quality components, and are assembled with care.<\/p>\n<p><strong>Also: I set a $4 router reboot timer, and it made my internet reliably faster<\/strong><\/p>\n<p> <span class=\"c-commerceLink\"><a rel=\"noopener nofollow sponsored\" target=\"_blank\" href=\"https:\/\/cc.zdnet.com\/v1\/otc\/00hQi47eqnEWQ6T9d4QLBUc?merchant=05kie42h3YvHwjr4G1w80Qq&amp;url=https%3A%2F%2Fwww.amazon.com%2FMOMAX-Magnetic-10000mAh-Charging-Compatible%2Fdp%2FB0FR97PS76&amp;app_deeplink=1\" data-aps-asc-tag=\"zd-buy-button-20\" data-aps-asc-subtag=\"__COM_CLICK_ID__|null|dtp\"><span>MOMAX Q.MAG<\/span><!----><\/a><\/span>    There is such a power bank. It&#8217;s thin, it&#8217;s light, it&#8217;s stylish, and it&#8217;s good \u2013 in every sense of the word.<\/p>\n<p><!----><\/p>\n<h2>This is a nice looking power bank<\/h2>\n<p>The Q.Mag capacity is such that it will not attract attention at airports, and the CCC logo means it will pass even the tight security at Chinese airports. <\/p>\n<p><strong>Also: Switch to plug-in solar? My advice after testing DIY energy technology at home<\/strong><\/p>\n<p>The unit has a premium look and feels good in the hand, thanks to its glass and aluminum construction. This isn&#8217;t the strongest power bank on the market \u2013 for that, you&#8217;ll need something like <span class=\"c-commerceLink\"><a rel=\"noopener nofollow sponsored\" target=\"_blank\" href=\"https:\/\/cc.zdnet.com\/v1\/otc\/00hQi47eqnEWQ6T9d4QLBUc?merchant=05kie42h3YvHwjr4G1w80Qq&amp;url=https%3A%2F%2Fwww.amazon.com%2FNitecore-Magnetic-Wireless-Eco-Sensa-Charging%2Fdp%2FB0CPR9Z3PC&amp;app_deeplink=1\" data-aps-asc-tag=\"zd-buy-button-20\" data-aps-asc-subtag=\"__COM_CLICK_ID__|null|dtp\"><span>Nightcore NW5000<\/span><!----><\/a><\/span>    Or <span class=\"c-commerceLink\"><a rel=\"noopener nofollow sponsored\" target=\"_blank\" href=\"https:\/\/cc.zdnet.com\/v1\/otc\/00hQi47eqnEWQ6T9d4QLBUc?merchant=05kie42h3YvHwjr4G1w80Qq&amp;url=https%3A%2F%2Fwww.amazon.com%2FDark-Energy-Pocket-Sized-Compatible-Additional%2Fdp%2FB0FN9CMBR9&amp;app_deeplink=1\" data-aps-asc-tag=\"zd-buy-button-20\" data-aps-asc-subtag=\"__COM_CLICK_ID__|null|dtp\"><span>dark energy poseidon nano<\/span><!----><\/a><\/span>  &#8212; But if you&#8217;re looking for good looks, this is the device for you.<\/p>\n<figure class=\"c-shortcodeImage u-clearfix c-shortcodeImage-large c-shortcodeImage-hasCaption\">\n<div class=\"c-shortcodeImage_imageContainer\">\n<div class=\"c-shortcodeImage_image\"><picture class=\"c-cmsImage\" style=\"aspect-ratio:1280\/720;\"><!----> <img decoding=\"async\" src=\"\" alt=\"One of the few power banks that comes with a polishing cloth.\" width=\"1280\" height=\"720\" fetchpriority=\"low\"\/><\/picture><\/div>\n<\/p><\/div><figcaption>\n<div class=\"c-shortcodeImage_caption g-inner-spacing-right-small g-color-black\">\n<div class=\"c-ShortcodeContent\">\n<p>One of the few power banks that comes with a polishing cloth.<\/p>\n<\/div>\n<\/div>\n<p> <span class=\"c-shortcodeImage_credit g-outer-spacing-top-xsmall u-block\">Adrian Kingsley-Hughes\/ZDNET<\/span><\/figcaption><\/figure>\n<p>But there&#8217;s more to the Q.Mag And to keep it looking good, the bank also comes with a microfiber polishing cloth.<\/p>\n<h2>thin, light and cool<\/h2>\n<p>First of all, it is thin. In fact, it&#8217;s extremely thin, just 8.3mm\/0.33 inches. That&#8217;s the thickness of a pencil, and it&#8217;s only fractionally thicker than the thinnest point of the iPhone 17, which is 7.95 mm\/0.31 inches thick.<\/p>\n<figure class=\"c-shortcodeImage u-clearfix c-shortcodeImage-large c-shortcodeImage-hasCaption\">\n<div class=\"c-shortcodeImage_imageContainer\">\n<div class=\"c-shortcodeImage_image\"><picture class=\"c-cmsImage\" style=\"aspect-ratio:1280\/720;\"><!----> <img decoding=\"async\" src=\"\" alt=\"This is a beautiful power bank!\" width=\"1280\" height=\"720\" fetchpriority=\"low\"\/><\/picture><\/div>\n<\/p><\/div><figcaption>\n<div class=\"c-shortcodeImage_caption g-inner-spacing-right-small g-color-black\">\n<div class=\"c-ShortcodeContent\">\n<p>This is a beautiful power bank.<\/p>\n<\/div>\n<\/div>\n<p> <span class=\"c-shortcodeImage_credit g-outer-spacing-top-xsmall u-block\">Adrian Kingsley-Hughes\/ZDNET<\/span><\/figcaption><\/figure>\n<p>The bank is also very light, at just 125 grams\/4.4 ounces, making it just 5 grams\/0.18 ounces heavier than the carbon fiber-clad Nitecore NW5000. <\/p>\n<p><strong>Also: Should you buy a solid-state battery pack in 2026? My advice after weeks of testing<\/strong><\/p>\n<p>On the front is a 15W Qi2-compatible wireless charger that works <span class=\"c-commerceLink\"><a rel=\"noopener nofollow sponsored\" target=\"_blank\" href=\"https:\/\/www.apple.com\/iphone\/\"><span>iPhones from 12 to 17 series<\/span><!----><\/a><\/span>, <span class=\"c-commerceLink\"><a rel=\"noopener nofollow sponsored\" target=\"_blank\" href=\"https:\/\/cc.zdnet.com\/v1\/otc\/00hQi47eqnEWQ6T9d4QLBUc?merchant=05kie42h3YvHwjr4G1w80Qq&amp;url=https%3A%2F%2Fwww.amazon.com%2FApple-Cancellation-Translation-Headphones-High-Fidelity%2Fdp%2FB0FQFB8FMG&amp;app_deeplink=1\" data-aps-asc-tag=\"zd-buy-button-20\" data-aps-asc-subtag=\"__COM_CLICK_ID__|null|dtp\"><span>AirPods<\/span><!----><\/a><\/span>    With wireless charging case, and Android handset with wireless charging. For everything else, there&#8217;s a 20W USB-C port on the bottom. And good news for those with more than one device \u2013 the power bank supports simultaneous wireless and wired charging. <\/p>\n<p>It also supports pass-through charging, allowing you to wirelessly charge devices as a power bank charges, perfect for overnight charging. The unit supports all popular charging protocols, and has the usual built-in safety features. <\/p>\n<figure class=\"c-shortcodeImage u-clearfix c-shortcodeImage-large c-shortcodeImage-hasCaption\">\n<div class=\"c-shortcodeImage_imageContainer\">\n<div class=\"c-shortcodeImage_image\"><picture class=\"c-cmsImage\" style=\"aspect-ratio:1280\/720;\"><!----> <img decoding=\"async\" src=\"\" alt=\"The Momax Q.Mag\" width=\"1280\" height=\"720\" fetchpriority=\"low\"\/><\/picture><\/div>\n<\/p><\/div><figcaption>\n<div class=\"c-shortcodeImage_caption g-inner-spacing-right-small g-color-black\">\n<div class=\"c-ShortcodeContent\">\n<p>The Momax Q.Mag<\/p>\n<\/div>\n<\/div>\n<p> <span class=\"c-shortcodeImage_credit g-outer-spacing-top-xsmall u-block\">Adrian Kingsley-Hughes\/ZDNET<\/span><\/figcaption><\/figure>\n<p>Q.Mag This device gets slightly warm at most occasionally during use. The Amazon listing mentions graphene heat dissipation, which wouldn&#8217;t surprise me in the least, as there were no hot spots on the unit while charging or when not charging (I&#8217;ll come back to this area in a bit).<\/p>\n<p>I really like the Q.Mag I know it&#8217;s just a power bank, but it&#8217;s very well built. The device perfectly combines beauty and functionality. I&#8217;ve enjoyed using this when going out the past few weeks.<\/p>\n<p><strong>Also: This Anker power bank is very close to being my ultimate charging accessory \u2013 here&#8217;s the thing that&#8217;s missing<\/strong><\/p>\n<p>That&#8217;s why the next excerpt broke my heart. Yes, I needed to see if the power bank used graphene for cooling, and there was only one way to find out. <\/p>\n<figure class=\"c-shortcodeImage u-clearfix c-shortcodeImage-large c-shortcodeImage-hasCaption\">\n<div class=\"c-shortcodeImage_imageContainer\">\n<div class=\"c-shortcodeImage_image\"><picture class=\"c-cmsImage\" style=\"aspect-ratio:1280\/720;\"><!----> <img loading=\"lazy\" decoding=\"async\" src=\"\" alt=\"Time to take a peek inside!\" width=\"1280\" height=\"720\" fetchpriority=\"low\"\/><\/picture><\/div>\n<\/p><\/div><figcaption>\n<div class=\"c-shortcodeImage_caption g-inner-spacing-right-small g-color-black\">\n<div class=\"c-ShortcodeContent\">\n<p>It&#8217;s time to look inside.<\/p>\n<\/div>\n<\/div>\n<p> <span class=\"c-shortcodeImage_credit g-outer-spacing-top-xsmall u-block\">Adrian Kingsley-Hughes\/ZDNET<\/span><\/figcaption><\/figure>\n<h2>It&#8217;s time to open it<\/h2>\n<p>it was time to get <span class=\"c-commerceLink\"><a rel=\"noopener nofollow sponsored\" target=\"_blank\" href=\"https:\/\/cc.zdnet.com\/v1\/otc\/00hQi47eqnEWQ6T9d4QLBUc?merchant=05kie42h3YvHwjr4G1w80Qq&amp;url=https%3A%2F%2Fwww.amazon.com%2FOriginal-iSesamo-Spudger-Opening-Devices%2Fdp%2FB078SYV8NZ&amp;app_deeplink=1\" data-aps-asc-tag=\"zd-buy-button-20\" data-aps-asc-subtag=\"__COM_CLICK_ID__|null|dtp\"><span>to spit out<\/span><!----><\/a><\/span>Be destructive, and look inside (I know I shouldn&#8217;t use a metal spudger near live lithium-ion batteries, but I&#8217;ve been doing it for years). I regretted doing this, but it had to be done. <\/p>\n<figure class=\"c-shortcodeImage u-clearfix c-shortcodeImage-large c-shortcodeImage-hasCaption\">\n<div class=\"c-shortcodeImage_imageContainer\">\n<div class=\"c-shortcodeImage_image\"><picture class=\"c-cmsImage\" style=\"aspect-ratio:1280\/720;\"><!----> <img loading=\"lazy\" decoding=\"async\" src=\"\" alt=\"Took some time to get into it!\" width=\"1280\" height=\"720\" fetchpriority=\"low\"\/><\/picture><\/div>\n<\/p><\/div><figcaption>\n<div class=\"c-shortcodeImage_caption g-inner-spacing-right-small g-color-black\">\n<div class=\"c-ShortcodeContent\">\n<p>This tool took some time to get in.<\/p>\n<\/div>\n<\/div>\n<p> <span class=\"c-shortcodeImage_credit g-outer-spacing-top-xsmall u-block\">Adrian Kingsley-Hughes\/ZDNET<\/span><\/figcaption><\/figure>\n<p>I learned some things.<\/p>\n<p>First of all, yes, the battery has a graphene coating. Graphene looks like black, but it is a form of carbon with excellent thermal conductivity and infrared emission, so it is sprayed onto metals, plastics and electronics to dissipate and dissipate heat. <\/p>\n<figure class=\"c-shortcodeImage u-clearfix c-shortcodeImage-large c-shortcodeImage-hasCaption\">\n<div class=\"c-shortcodeImage_imageContainer\">\n<div class=\"c-shortcodeImage_image\"><picture class=\"c-cmsImage\" style=\"aspect-ratio:1280\/720;\"><!----> <img loading=\"lazy\" decoding=\"async\" src=\"\" alt=\"That black layer on the battery is graphene, which is a great material for dissipating heat.\" width=\"1280\" height=\"720\" fetchpriority=\"low\"\/><\/picture><\/div>\n<\/p><\/div><figcaption>\n<div class=\"c-shortcodeImage_caption g-inner-spacing-right-small g-color-black\">\n<div class=\"c-ShortcodeContent\">\n<p>That black layer on the battery is graphene, which is a great material for dissipating heat.<\/p>\n<\/div>\n<\/div>\n<p> <span class=\"c-shortcodeImage_credit g-outer-spacing-top-xsmall u-block\">Adrian Kingsley-Hughes\/ZDNET<\/span><\/figcaption><\/figure>\n<p>I also found the unit to be very well built. It took some time to get in, and a fair amount of sealant, adhesive, and thermal silicone to keep it together. <\/p>\n<figure class=\"c-shortcodeImage u-clearfix c-shortcodeImage-large c-shortcodeImage-hasCaption\">\n<div class=\"c-shortcodeImage_imageContainer\">\n<div class=\"c-shortcodeImage_image\"><picture class=\"c-cmsImage\" style=\"aspect-ratio:1280\/720;\"><!----> <img loading=\"lazy\" decoding=\"async\" src=\"\" alt=\"Well, it will never come back together!\" width=\"1280\" height=\"720\" fetchpriority=\"low\"\/><\/picture><\/div>\n<\/p><\/div><figcaption>\n<div class=\"c-shortcodeImage_caption g-inner-spacing-right-small g-color-black\">\n<div class=\"c-ShortcodeContent\">\n<p>Try putting this device back together.<\/p>\n<\/div>\n<\/div>\n<p> <span class=\"c-shortcodeImage_credit g-outer-spacing-top-xsmall u-block\">Adrian Kingsley-Hughes\/ZDNET<\/span><\/figcaption><\/figure>\n<p>Plus, Momax hasn&#8217;t skimped on the parts you can&#8217;t see. The components used are top notch, and it&#8217;s well put together.  <\/p>\n<h2>ZDNET&#8217;s shopping advice<\/h2>\n<p>I have tested a lot of wireless power banks, but <span class=\"c-commerceLink\"><a rel=\"noopener nofollow sponsored\" target=\"_blank\" href=\"https:\/\/cc.zdnet.com\/v1\/otc\/00hQi47eqnEWQ6T9d4QLBUc?merchant=05kie42h3YvHwjr4G1w80Qq&amp;url=https%3A%2F%2Fwww.amazon.com%2FMOMAX-Magnetic-10000mAh-Charging-Compatible%2Fdp%2FB0FR97PS76&amp;app_deeplink=1\" data-aps-asc-tag=\"zd-buy-button-20\" data-aps-asc-subtag=\"__COM_CLICK_ID__|null|dtp\"><span>MOMAX Q.MAG<\/span><!----><\/a><\/span>    It is extraordinary both outside and inside. And at just under $30 (price varies depending on available deals), it&#8217;s a steal. You should especially consider this if you frequently find yourself in hot environments which could put the battery at risk.<\/p>\n<p>If you need more power, <span class=\"c-commerceLink\"><a rel=\"noopener nofollow sponsored\" target=\"_blank\" href=\"https:\/\/cc.zdnet.com\/v1\/otc\/00hQi47eqnEWQ6T9d4QLBUc?merchant=05kie42h3YvHwjr4G1w80Qq&amp;url=https%3A%2F%2Fwww.amazon.com%2FMOMAX-Magnetic-10000mAh-Charging-Compatible%2Fdp%2FB0DQQ2L754&amp;app_deeplink=1\" data-aps-asc-tag=\"zd-buy-button-20\" data-aps-asc-subtag=\"__COM_CLICK_ID__|null|dtp\"><span>Momax has a larger 10,000 mAh version<\/span><!----><\/a><\/span>. Same quality, more capacity, for less than $10.  <\/p>\n<\/div>\n<p><script type=\"text\/javascript\">\n      (function() {\n        window.zdconsent = window.zdconsent || {run:(),cmd:(),useractioncomplete:(),analytics:(),functional:(),social:()};\n        window.zdconsent.cmd = window.zdconsent.cmd || ();\n        window.zdconsent.cmd.push(function() {\n          !function(f,b,e,v,n,t,s)\n          {if(f.fbq)return;n=f.fbq=function(){n.callMethod?\n          n.callMethod.apply(n,arguments):n.queue.push(arguments)};\n          if(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version='2.0';\n          n.queue=();t=b.createElement(e);t.async=!0;\n          t.src=v;s=b.getElementsByTagName(e)(0);\n          s.parentNode.insertBefore(t,s)}(window, document,'script',\n          'https:\/\/connect.facebook.net\/en_US\/fbevents.js');\n          fbq('set', 'autoConfig', false, '789754228632403');\n          fbq('init', '789754228632403');\n        });\n      })();\n    <\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pros and cons Pros exceptionally thin and light Can charge two devices simultaneously Stays cool even under rigorous use. Shortcoming Aluminum and glass are not particularly strong. Follow ZDNET: Add us as a favorite source On Google. There are several &#8220;MagSafe&#8221; magnetic wireless battery packs available on the market. Some are great, some are varying<\/p>\n","protected":false},"author":1,"featured_media":150643,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[58],"tags":[2334,32599,32598,1021,2834,6030,18953,869],"class_list":["post-150637","post","type-post","status-publish","format-standard","has-post-thumbnail","category-devotionals","tag-battery","tag-dissipation","tag-graphene","tag-heat","tag-opened","tag-portable","tag-proof","tag-tested"],"_links":{"self":[{"href":"https:\/\/christiancorner.us\/index.php\/wp-json\/wp\/v2\/posts\/150637","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/christiancorner.us\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/christiancorner.us\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/christiancorner.us\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/christiancorner.us\/index.php\/wp-json\/wp\/v2\/comments?post=150637"}],"version-history":[{"count":1,"href":"https:\/\/christiancorner.us\/index.php\/wp-json\/wp\/v2\/posts\/150637\/revisions"}],"predecessor-version":[{"id":150644,"href":"https:\/\/christiancorner.us\/index.php\/wp-json\/wp\/v2\/posts\/150637\/revisions\/150644"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/christiancorner.us\/index.php\/wp-json\/wp\/v2\/media\/150643"}],"wp:attachment":[{"href":"https:\/\/christiancorner.us\/index.php\/wp-json\/wp\/v2\/media?parent=150637"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/christiancorner.us\/index.php\/wp-json\/wp\/v2\/categories?post=150637"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/christiancorner.us\/index.php\/wp-json\/wp\/v2\/tags?post=150637"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}