{"product_id":"car-air-vent-phone-holder-adjustable-vent-bracket","title":"DIY 20000mAh Power Bank Case with LCD Display, Dual USB, \u0026 Flashlight","description":"\u003ch3 data-start=\"697\" data-end=\"763\"\u003e20000mAh Power Bank Case – Portable External Battery Charger\u003c\/h3\u003e\n\u003cp data-start=\"764\" data-end=\"1075\"\u003eBuild your own reliable backup power with this \u003cstrong data-start=\"811\" data-end=\"839\"\u003e20000mAh power bank case\u003c\/strong\u003e, designed for outdoor use, travel, and everyday emergencies. Featuring an \u003cstrong data-start=\"914\" data-end=\"937\"\u003eLCD digital display\u003c\/strong\u003e, dual USB output, and LED flashlight, this portable charger case delivers convenience, visibility, and flexibility in one compact design.\u003c\/p\u003e\n\u003c!--related-picks-top--\u003e\n\u003cp\u003eQuick Picks: \u003ca href=\"\/products\/vivo-magnetic-wireless-power-bank-fast-charge\"\u003eVIVO Magnetic Wireless Power Bank | Fast Travel Charger\u003c\/a\u003e · \u003ca href=\"\/products\/asometech-50000mah-100w-fast-charging-power-bank\"\u003eASOMETECH 50000mAh 100W Power Bank | Laptop Fast Charger\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp data-start=\"566\" data-end=\"645\"\u003e\u003cstrong data-start=\"566\" data-end=\"645\"\u003e20000mAh power bank charging box with LCD display dual USB and Type-C ports\u003c\/strong\u003e\u003c\/p\u003e\n\u003cblockquote data-start=\"1077\" data-end=\"1170\"\u003e\n\u003cp data-start=\"1079\" data-end=\"1170\"\u003e⚠️ \u003cem data-start=\"1082\" data-end=\"1170\"\u003eBatteries not included – requires 6 × 18650 flat-head batteries (no protection plate).\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003ch4 data-start=\"1172\" data-end=\"1192\"\u003e🔋 Key Features\u003c\/h4\u003e\n\u003cul data-start=\"1193\" data-end=\"1710\"\u003e\n\u003cli data-start=\"1193\" data-end=\"1271\"\u003e\n\u003cp data-start=\"1195\" data-end=\"1271\"\u003e\u003cstrong data-start=\"1195\" data-end=\"1222\"\u003eLarge 20000mAh Capacity\u003c\/strong\u003e – Ideal for extended trips and emergency power\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1272\" data-end=\"1358\"\u003e\n\u003cp data-start=\"1274\" data-end=\"1358\"\u003e\u003cstrong data-start=\"1274\" data-end=\"1297\"\u003eLCD Digital Display\u003c\/strong\u003e – Monitor battery level, voltage, and current in real time\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1359\" data-end=\"1418\"\u003e\n\u003cp data-start=\"1361\" data-end=\"1418\"\u003e\u003cstrong data-start=\"1361\" data-end=\"1380\"\u003eDual USB Output\u003c\/strong\u003e – Charge two devices simultaneously\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1419\" data-end=\"1495\"\u003e\n\u003cp data-start=\"1421\" data-end=\"1495\"\u003e\u003cstrong data-start=\"1421\" data-end=\"1450\"\u003eMultiple Input Interfaces\u003c\/strong\u003e – USB, USB Type-C, and Micro USB supported\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1496\" data-end=\"1571\"\u003e\n\u003cp data-start=\"1498\" data-end=\"1571\"\u003e\u003cstrong data-start=\"1498\" data-end=\"1516\"\u003eLED Flashlight\u003c\/strong\u003e – Built-in light for outdoor or emergency situations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1572\" data-end=\"1632\"\u003e\n\u003cp data-start=\"1574\" data-end=\"1632\"\u003e\u003cstrong data-start=\"1574\" data-end=\"1596\"\u003ePlug \u0026amp; Play Design\u003c\/strong\u003e – Easy installation and operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1633\" data-end=\"1710\"\u003e\n\u003cp data-start=\"1635\" data-end=\"1710\"\u003e\u003cstrong data-start=\"1635\" data-end=\"1664\"\u003eLightweight Plastic Shell\u003c\/strong\u003e – Portable and travel-friendly construction\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1712\" data-end=\"1738\"\u003e📱 Wide Compatibility\u003c\/h4\u003e\n\u003cul data-start=\"1739\" data-end=\"1865\"\u003e\n\u003cli data-start=\"1739\" data-end=\"1770\"\u003e\n\u003cp data-start=\"1741\" data-end=\"1770\"\u003eSmartphones \u0026amp; mobile phones\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1771\" data-end=\"1817\"\u003e\n\u003cp data-start=\"1773\" data-end=\"1817\"\u003ePortable electronics \u0026amp; USB-powered devices\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1818\" data-end=\"1865\"\u003e\n\u003cp data-start=\"1820\" data-end=\"1865\"\u003eCompatible with DIY external battery setups\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"1867\" data-end=\"1889\"\u003e⚙️ Specifications\u003c\/h4\u003e\n\u003cul data-start=\"1890\" data-end=\"2300\"\u003e\n\u003cli data-start=\"1890\" data-end=\"1961\"\u003e\n\u003cp data-start=\"1892\" data-end=\"1961\"\u003e\u003cstrong data-start=\"1892\" data-end=\"1909\"\u003eBattery Type:\u003c\/strong\u003e Li-Polymer (case compatible with 18650 batteries)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1962\" data-end=\"1988\"\u003e\n\u003cp data-start=\"1964\" data-end=\"1988\"\u003e\u003cstrong data-start=\"1964\" data-end=\"1977\"\u003eCapacity:\u003c\/strong\u003e 20000mAh\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1989\" data-end=\"2011\"\u003e\n\u003cp data-start=\"1991\" data-end=\"2011\"\u003e\u003cstrong data-start=\"1991\" data-end=\"2001\"\u003eInput:\u003c\/strong\u003e 5V \/ 2A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2012\" data-end=\"2035\"\u003e\n\u003cp data-start=\"2014\" data-end=\"2035\"\u003e\u003cstrong data-start=\"2014\" data-end=\"2025\"\u003eOutput:\u003c\/strong\u003e 5V \/ 2A\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2036\" data-end=\"2090\"\u003e\n\u003cp data-start=\"2038\" data-end=\"2090\"\u003e\u003cstrong data-start=\"2038\" data-end=\"2053\"\u003eInterfaces:\u003c\/strong\u003e 2 × USB, 1 × Type-C, 1 × Micro USB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2091\" data-end=\"2164\"\u003e\n\u003cp data-start=\"2093\" data-end=\"2164\"\u003e\u003cstrong data-start=\"2093\" data-end=\"2117\"\u003eBattery Requirement:\u003c\/strong\u003e 6 × 18650 flat-head batteries (not included)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2165\" data-end=\"2196\"\u003e\n\u003cp data-start=\"2167\" data-end=\"2196\"\u003e\u003cstrong data-start=\"2167\" data-end=\"2186\"\u003eShell Material:\u003c\/strong\u003e Plastic\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2197\" data-end=\"2222\"\u003e\n\u003cp data-start=\"2199\" data-end=\"2222\"\u003e\u003cstrong data-start=\"2199\" data-end=\"2217\"\u003eCertification:\u003c\/strong\u003e CE\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2223\" data-end=\"2256\"\u003e\n\u003cp data-start=\"2225\" data-end=\"2256\"\u003e\u003cstrong data-start=\"2225\" data-end=\"2234\"\u003eSize:\u003c\/strong\u003e 14.5 × 7.6 × 2.2 cm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2257\" data-end=\"2300\"\u003e\n\u003cp data-start=\"2259\" data-end=\"2300\"\u003e\u003cstrong data-start=\"2259\" data-end=\"2270\"\u003eWeight:\u003c\/strong\u003e Lightweight portable design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4 data-start=\"2302\" data-end=\"2321\"\u003e👍 Pros \u0026amp; Cons\u003c\/h4\u003e\n\u003cp data-start=\"2322\" data-end=\"2488\"\u003e\u003cstrong data-start=\"2322\" data-end=\"2331\"\u003ePros:\u003c\/strong\u003e Large capacity, dual USB output, LCD display, LED flashlight, portable design\u003cbr data-start=\"2409\" data-end=\"2412\"\u003e\u003cstrong data-start=\"2412\" data-end=\"2421\"\u003eCons:\u003c\/strong\u003e Batteries not included; confirm battery type before installation\u003c\/p\u003e\n\u003ch4 data-start=\"2490\" data-end=\"2530\"\u003e🌍 Why Choose This Power Bank Case?\u003c\/h4\u003e\n\u003cp data-start=\"2531\" data-end=\"2735\"\u003eCompared to standard power banks, this \u003cstrong data-start=\"2570\" data-end=\"2601\"\u003eDIY power bank charging box\u003c\/strong\u003e offers flexibility, clear battery monitoring, and dual-device charging—perfect for outdoor adventures, travel, or backup power needs.\u003c\/p\u003e\n\u003cp data-start=\"2737\" data-end=\"2863\"\u003e🛒 \u003cstrong data-start=\"2740\" data-end=\"2783\"\u003eAdd to cart now — limited availability!\u003c\/strong\u003e\u003cbr data-start=\"2783\" data-end=\"2786\"\u003eA smart choice for users who want customizable, high-capacity portable power.\u003c\/p\u003e\n\u003cdiv class=\"detailmodule_html\"\u003e\n\u003cdiv class=\"detail-desc-decorate-richtext\"\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/S986ffadc19684f798150997223f4ad63o.jpg\"\u003e \u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/Sbcad170481ee474c832a2efc114a83faB.jpg\"\u003e \u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/S18ea501303f64148a11d6435221c1a8c7.jpg\"\u003e \u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/Sb375ede78d6c4ceca3239b538831a0b4G.jpg\"\u003e \u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/S47681ddbe6594aa8acbd1956b61675bcI.jpg\"\u003e \u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/Seb82b59e1e0c4544addfac4058871909v.jpg\"\u003e \u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/S9ab04b4aa9b4471b981abfabd247948c7.jpg\"\u003e \u003cimg src=\"https:\/\/ae03.alicdn.com\/kf\/Sea5f6b65e169477787e725c293ef5baf7.jpg\"\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\n\u003c!--related-picks--\u003e\n\u003ch3\u003eRelated Picks\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/vivo-magnetic-wireless-power-bank-fast-charge\"\u003eVIVO Magnetic Wireless Power Bank | Fast Travel Charger\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/asometech-50000mah-100w-fast-charging-power-bank\"\u003eASOMETECH 50000mAh 100W Power Bank | Laptop Fast Charger\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/20000mah-power-bank-for-heated-vest-usb\"\u003e20000mAh Power Bank for Heated Vest | USB Battery Pack\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp class=\"seo-blurb\"\u003eThe \u003cstrong\u003e20000mAh Power Bank Case\u003c\/strong\u003e is a 20000mAh DIY power bank case with dual USB output, LCD display, and built-in LED flashlight for reliable backup power on the go.\u003c\/p\u003e","brand":"JEFF's Favorite Picks","offers":[{"title":"WHITE","offer_id":53771120083316,"sku":"14:29","price":6.78,"currency_code":"USD","in_stock":false},{"title":"black","offer_id":53771120116084,"sku":"14:193","price":6.78,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/6601\/5860\/files\/S13fd8a1bc7264db189f714791fdbc0639.webp?v=1766552324","url":"https:\/\/www.jeffsfavoritepicks.com\/products\/car-air-vent-phone-holder-adjustable-vent-bracket","provider":"JEFF's Favorite Picks","version":"1.0","type":"link"}