{"id":348097,"date":"2026-03-09T15:32:40","date_gmt":"2026-03-09T15:32:40","guid":{"rendered":"https:\/\/www.evearly.news\/en\/donut-lab-solid-state-battery-retains-97-7-charge-after-10-days-in-third-test\/"},"modified":"2026-03-09T15:32:40","modified_gmt":"2026-03-09T15:32:40","slug":"donut-lab-solid-state-battery-retains-97-7-charge-after-10-days-in-third-test","status":"publish","type":"post","link":"https:\/\/www.evearly.news\/en\/donut-lab-solid-state-battery-retains-97-7-charge-after-10-days-in-third-test\/","title":{"rendered":"Donut Lab solid-state battery retains 97.7% charge after 10 days in third test"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/www.evearly.news\/en\/wp-content\/uploads\/sites\/7\/2026\/03\/donut-lab-solid-state-battery-retains-97-7-charge-after-10-days-in-third-test.jpg\" \/>Donut Lab has released its third independent test report from VTT, the Finnish Technical Research Centre, and it confirms another claim: the solid-state battery retains 97.7% of its charged capacity after sitting idle for 10 days. <a href=https:\/\/electrek.co\/2026\/03\/09\/donut-lab-solid-state-battery-self-discharge-test-vtt\/ target=blank>Read more&#8230;<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#8230; <a class=\"continue-reading-link\" href=\"https:\/\/www.evearly.news\/en\/donut-lab-solid-state-battery-retains-97-7-charge-after-10-days-in-third-test\/\"><\/a><\/p>\n","protected":false},"author":20,"featured_media":348098,"comment_status":"closed","ping_status":"open","sticky":false,"template":"Default","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"class_list":["post-348097","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-electrek"],"_links":{"self":[{"href":"https:\/\/www.evearly.news\/en\/wp-json\/wp\/v2\/posts\/348097","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.evearly.news\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.evearly.news\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.evearly.news\/en\/wp-json\/wp\/v2\/users\/20"}],"replies":[{"embeddable":true,"href":"https:\/\/www.evearly.news\/en\/wp-json\/wp\/v2\/comments?post=348097"}],"version-history":[{"count":0,"href":"https:\/\/www.evearly.news\/en\/wp-json\/wp\/v2\/posts\/348097\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.evearly.news\/en\/wp-json\/wp\/v2\/media\/348098"}],"wp:attachment":[{"href":"https:\/\/www.evearly.news\/en\/wp-json\/wp\/v2\/media?parent=348097"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.evearly.news\/en\/wp-json\/wp\/v2\/categories?post=348097"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.evearly.news\/en\/wp-json\/wp\/v2\/tags?post=348097"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}