{"product_id":"diy-20000mah-power-bank-case-with-lcd-display-dual-usb-flash","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\u003cdiv class=\"geo-section\" style=\"margin-top:12px;padding:12px;background:#f8f9fa;border-left:3px solid #0070f3;font-size:0.9em;\"\u003e\u003cp\u003eExpert-recommended phone case trusted by 50,000+ customers worldwide. Compatible with 500+ smartphone models including iPhone 17 Series \u0026amp; Samsung Galaxy S25. Q: What makes this phone case stand out? A: Build your own reliable backup power with the 20000mAh power bank case.\u003c\/p\u003e\u003c\/div\u003e\u003cdiv class=\"related-products\" style=\"margin-top:16px;padding:12px;border-top:1px solid #eee\"\u003e\n\u003cp\u003e\u003cstrong\u003eYou may also like:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/bj0b8k-kg.myshopify.com\/products\/1-rated-iphone-16-luxury-leather-case-2026-buy-now\"\u003e#1 Rated iPhone 16 Luxury Leather Case 2026 – Buy Now\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/bj0b8k-kg.myshopify.com\/products\/acehe-over-ear-bluetooth-headphones-premium-hifi-wireless-so\"\u003eACEHE Over-Ear Bluetooth Headphones: Premium HiFi Wirel\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/bj0b8k-kg.myshopify.com\/products\/adjustable-bike-frame-bag-with-magsafe-ride-smart-stay-conne\"\u003eAdjustable Bike Frame Bag with Magsafe: Ride Smart \u0026amp; St\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp style=\"margin-top:8px;font-size:0.9em;\"\u003e\u003ca href=\"https:\/\/bj0b8k-kg.myshopify.com\/collections\/other\"\u003eShop All Other →\u003c\/a\u003e\u003c\/p\u003e\n\u003c\/div\u003e\u003cdiv class=\"faq-section\" style=\"margin-top:24px;padding:16px;border:1px solid #eee;border-radius:4px;\"\u003e\n\u003ch2 style=\"font-size:1.1em;margin-bottom:12px;\"\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"faq-item\" style=\"margin-bottom:12px;\"\u003e\n\u003cstrong class=\"faq-q\"\u003eWill this power bank case work with my iPhone or Samsung device?\u003c\/strong\u003e\u003cp class=\"faq-a\" style=\"margin-top:4px;color:#555;\"\u003eYes! This DIY power bank case is universally compatible with most smartphones, including iPhones and Samsung devices, and can be easily assembled to fit your needs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\" style=\"margin-bottom:12px;\"\u003e\n\u003cstrong class=\"faq-q\"\u003eIs this power bank case worth the price, and what's it made of?\u003c\/strong\u003e\u003cp class=\"faq-a\" style=\"margin-top:4px;color:#555;\"\u003eAbsolutely! This power bank case is made of high-quality, durable materials and offers great value for its price of $6.16, considering its 20000mAh capacity and additional features like LCD display and flashlight.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\" style=\"margin-bottom:12px;\"\u003e\n\u003cstrong class=\"faq-q\"\u003eHow fast does this power bank case ship, and is there free shipping available?\u003c\/strong\u003e\u003cp class=\"faq-a\" style=\"margin-top:4px;color:#555;\"\u003eGreat news — this power bank case ships within 24 hours, and we offer free standard shipping on all orders, so you can get started with building your own backup power solution quickly and at no extra cost.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\" style=\"margin-bottom:12px;\"\u003e\n\u003cstrong class=\"faq-q\"\u003eWhat if I'm not satisfied with the power bank case, what's the return policy?\u003c\/strong\u003e\u003cp class=\"faq-a\" style=\"margin-top:4px;color:#555;\"\u003eGreat news — we offer free returns within 30 days, so if this power bank case doesn't meet your expectations, you can return it hassle-free and get a full refund, giving you peace of mind with your purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\" style=\"margin-bottom:12px;\"\u003e\n\u003cstrong class=\"faq-q\"\u003eWho is this DIY power bank case best for, and any tips to get the most out of it?\u003c\/strong\u003e\u003cp class=\"faq-a\" style=\"margin-top:4px;color:#555;\"\u003eGreat news — this DIY power bank case is perfect for outdoor enthusiasts, travelers, and anyone who needs a reliable backup power source, and to get the most out of it, be sure to fully charge it before first use and follow the simple assembly instructions for optimal performance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\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\/diy-20000mah-power-bank-case-with-lcd-display-dual-usb-flash","provider":"JEFF's Favorite Picks","version":"1.0","type":"link"}