{"id":12516,"date":"2025-06-06T04:50:15","date_gmt":"2025-06-06T04:50:15","guid":{"rendered":"https:\/\/glkpower.com\/2025\/06\/06\/how-many-times-can-a-power-bank-20000mah-recha-65052974\/"},"modified":"2025-06-06T07:46:50","modified_gmt":"2025-06-06T07:46:50","slug":"how-many-times-can-a-power-bank-20000mah-recha-65052974","status":"publish","type":"post","link":"https:\/\/glkpower.com\/ja\/how-many-times-can-a-power-bank-20000mah-recha-65052974\/","title":{"rendered":"How Many Times Can A Power Bank 20000mAh Recharge A Phone"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/glkpower.com\/wp-content\/uploads\/2025\/06\/2023022015333849a30cafeeb74eb899a7254de1cee0e6.jpg\" \/><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/glkpower.com\/wp-content\/uploads\/2025\/06\/20230220153350b7000f80b22b410a80cb1bf10883ed08.jpg\" \/><\/p>\n<p>Most\u00a0power bank manufacturers\u00a0lie about how many times their power banks can charge certain devices. It turns out that you can actually calculate this yourself.<\/p>\n<p>Apply the formula:Power Bank capacity x Conversion Rate x Phone Battery health rate \/ Phone battery capacity.<\/p>\n<p>Let\u2019s take Merpower YN-050P 20000mAh power bank as a test example.The iPhone X has a battery size of 2,716mAh.20000 x 0.8 x 0.8 \/ 2716 = 4.7 charge times<\/p>\n<p>When you use\u00a0your\u00a0phone while charging, there will be deviations in the data, and the number of times your power bank 20000mAh would reduce.<\/p>\n<p>Theoretically, the capacity will reduce to 80% after 300 charging cycles. If so, a 20000mAh power bank may have a 16000mAh capacity. This is also relevant to the temperature when you\u2019re using your power bank. And this point I believe you could find out on the manual when you brought the power bank.<\/p>\n<p>More charging cycles the power bank has taken, its capacity will correspondingly reduce a little though you don\u2019t need to care about that.<\/p>\n<p>Merpower is one of the most powerful manufacturers of\u00a0USB C PD power bank,\u00a0outdoor power source\u00a0and\u00a0car battery jump starter\u00a0in China. China National High-tech Certification Enterprise, Our products are distributed to Europe, North America, Central\/South America, Australia and some other abroad areas. We served some famous brand OEM\/ODM service gained trust from customers. All our products certified with CE,FCC, RoHS,un38.3, MSDS and other approvals.<\/p>","protected":false},"excerpt":{"rendered":"<p>Most\u00a0power bank manufacturers\u00a0lie about how many times their power banks can charge certain devices. It turns out that you can actually calculate this yourself. Apply the formula:Power Bank capacity x Conversion Rate x Phone Battery health rate \/ Phone battery capacity. Let\u2019s take Merpower YN-050P 20000mAh power bank as a test example.The iPhone X has a battery size of 2,716mAh.20000 x 0.8 x 0.8 \/ 2716 = 4.7 charge times When you use\u00a0your\u00a0phone while charging, there will be deviations in the data, and the number of times your power bank 20000mAh would reduce. Theoretically, the capacity will reduce to 80% after 300 charging cycles. If so, a 20000mAh power bank [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":13105,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[56],"tags":[],"class_list":["post-12516","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"_links":{"self":[{"href":"https:\/\/glkpower.com\/ja\/wp-json\/wp\/v2\/posts\/12516","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/glkpower.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/glkpower.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/glkpower.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/glkpower.com\/ja\/wp-json\/wp\/v2\/comments?post=12516"}],"version-history":[{"count":0,"href":"https:\/\/glkpower.com\/ja\/wp-json\/wp\/v2\/posts\/12516\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/glkpower.com\/ja\/wp-json\/wp\/v2\/media\/13105"}],"wp:attachment":[{"href":"https:\/\/glkpower.com\/ja\/wp-json\/wp\/v2\/media?parent=12516"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/glkpower.com\/ja\/wp-json\/wp\/v2\/categories?post=12516"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/glkpower.com\/ja\/wp-json\/wp\/v2\/tags?post=12516"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}