{"product_id":"18650-power-bank-diy-portable-charger-case-jeff-s-favorite-p","title":"18650 Power Bank DIY Portable Charger Case - Jeff's Favorite Picks","description":"\u003ch3 data-start=\"848\" data-end=\"918\"\u003e18650 Portable Power Bank Case – Build Your Own External Battery\u003c\/h3\u003e\n\u003cp data-start=\"919\" data-end=\"1223\"\u003eCreate a flexible backup power solution with this \u003cstrong data-start=\"969\" data-end=\"1003\"\u003e18650 portable power bank case\u003c\/strong\u003e. Designed for DIY users and everyday charging needs, it allows you to insert your own \u003cstrong data-start=\"1090\" data-end=\"1130\"\u003erechargeable 18650 lithium batteries\u003c\/strong\u003e (not included) to build a reliable external battery for smartphones and USB-powered devices.\u003c\/p\u003e\n\u003c!--related-picks-top--\u003e\n\u003cp\u003eQuick Picks: \u003ca href=\"\/products\/olevo-magnetic-wireless-power-bank-magsafe\"\u003eolevo Magnetic Wireless Power Bank | MagSafe Fast Charger\u003c\/a\u003e · \u003ca href=\"\/products\/vivo-magnetic-wireless-power-bank-fast-charge\"\u003eVIVO Magnetic Wireless Power Bank | Fast Travel Charger\u003c\/a\u003e\u003c\/p\u003e\n\n\u003cp data-start=\"717\" data-end=\"796\"\u003e\u003cstrong data-start=\"717\" data-end=\"796\"\u003e18650 external battery power bank case with dual USB output and metal shell\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"1225\" data-end=\"1314\"\u003eCompact, durable, and easy to use, it’s ideal for travel, emergency kits, or daily carry.\u003c\/p\u003e\n\u003cblockquote data-start=\"1316\" data-end=\"1398\"\u003e\n\u003cp data-start=\"1318\" data-end=\"1398\"\u003e⚠️ \u003cem data-start=\"1321\" data-end=\"1398\"\u003eThis product is a power bank case\/charger only. Batteries are NOT included.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003chr data-start=\"1400\" data-end=\"1403\"\u003e\n\u003ch3 data-start=\"1405\" data-end=\"1423\"\u003e⚡ Key Features\u003c\/h3\u003e\n\u003cul data-start=\"1424\" data-end=\"1945\"\u003e\n\u003cli data-start=\"1424\" data-end=\"1503\"\u003e\n\u003cp data-start=\"1426\" data-end=\"1503\"\u003e\u003cstrong data-start=\"1426\" data-end=\"1455\"\u003eDIY 18650 Power Bank Case\u003c\/strong\u003e – Customize capacity using your own batteries\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1504\" data-end=\"1563\"\u003e\n\u003cp data-start=\"1506\" data-end=\"1563\"\u003e\u003cstrong data-start=\"1506\" data-end=\"1525\"\u003eDual USB Output\u003c\/strong\u003e – Charge two devices simultaneously\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1564\" data-end=\"1644\"\u003e\n\u003cp data-start=\"1566\" data-end=\"1644\"\u003e\u003cstrong data-start=\"1566\" data-end=\"1588\"\u003eWide Compatibility\u003c\/strong\u003e – Works with mobile phones and USB electronic devices\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1645\" data-end=\"1733\"\u003e\n\u003cp data-start=\"1647\" data-end=\"1733\"\u003e\u003cstrong data-start=\"1647\" data-end=\"1671\"\u003eBuilt-In Safety Chip\u003c\/strong\u003e – Protects against short circuit, overload, and overheating\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1734\" data-end=\"1810\"\u003e\n\u003cp data-start=\"1736\" data-end=\"1810\"\u003e\u003cstrong data-start=\"1736\" data-end=\"1759\"\u003eRechargeable Design\u003c\/strong\u003e – Supports batteries with over 500 charge cycles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1811\" data-end=\"1880\"\u003e\n\u003cp data-start=\"1813\" data-end=\"1880\"\u003e\u003cstrong data-start=\"1813\" data-end=\"1839\"\u003ePortable \u0026amp; Lightweight\u003c\/strong\u003e – Easy to carry with included keychain\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1881\" data-end=\"1945\"\u003e\n\u003cp data-start=\"1883\" data-end=\"1945\"\u003e\u003cstrong data-start=\"1883\" data-end=\"1900\"\u003eDurable Shell\u003c\/strong\u003e – Designed for everyday use and protection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1947\" data-end=\"1950\"\u003e\n\u003ch3 data-start=\"1952\" data-end=\"1986\"\u003e🔋 Performance \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cul data-start=\"1987\" data-end=\"2234\"\u003e\n\u003cli data-start=\"1987\" data-end=\"2079\"\u003e\n\u003cp data-start=\"1989\" data-end=\"2079\"\u003e\u003cstrong data-start=\"1989\" data-end=\"2016\"\u003eBattery Type Supported:\u003c\/strong\u003e 18650 Li-Polymer \/ Lithium batteries (flat head recommended)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2080\" data-end=\"2114\"\u003e\n\u003cp data-start=\"2082\" data-end=\"2114\"\u003e\u003cstrong data-start=\"2082\" data-end=\"2102\"\u003eInput Interface:\u003c\/strong\u003e Micro USB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2115\" data-end=\"2149\"\u003e\n\u003cp data-start=\"2117\" data-end=\"2149\"\u003e\u003cstrong data-start=\"2117\" data-end=\"2138\"\u003eOutput Interface:\u003c\/strong\u003e Dual USB\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2150\" data-end=\"2234\"\u003e\n\u003cp data-start=\"2152\" data-end=\"2234\"\u003e\u003cstrong data-start=\"2152\" data-end=\"2175\"\u003eCompatible Devices:\u003c\/strong\u003e Smartphones, mobile accessories, USB-powered electronics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2236\" data-end=\"2239\"\u003e\n\u003ch3 data-start=\"2241\" data-end=\"2262\"\u003e📐 Design \u0026amp; Build\u003c\/h3\u003e\n\u003cul data-start=\"2263\" data-end=\"2458\"\u003e\n\u003cli data-start=\"2263\" data-end=\"2332\"\u003e\n\u003cp data-start=\"2265\" data-end=\"2332\"\u003e\u003cstrong data-start=\"2265\" data-end=\"2284\"\u003eShell Material:\u003c\/strong\u003e Metal shell (with plastic internal structure)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2333\" data-end=\"2353\"\u003e\n\u003cp data-start=\"2335\" data-end=\"2353\"\u003e\u003cstrong data-start=\"2335\" data-end=\"2345\"\u003eColor:\u003c\/strong\u003e White\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2354\" data-end=\"2406\"\u003e\n\u003cp data-start=\"2356\" data-end=\"2406\"\u003e\u003cstrong data-start=\"2356\" data-end=\"2372\"\u003eForm Factor:\u003c\/strong\u003e Compact, pocket-friendly design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2407\" data-end=\"2458\"\u003e\n\u003cp data-start=\"2409\" data-end=\"2458\"\u003e\u003cstrong data-start=\"2409\" data-end=\"2420\"\u003eExtras:\u003c\/strong\u003e Includes keychain for easy carrying\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"2460\" data-end=\"2463\"\u003e\n\u003ch3 data-start=\"2465\" data-end=\"2488\"\u003e📦 Package Contents\u003c\/h3\u003e\n\u003cul data-start=\"2489\" data-end=\"2575\"\u003e\n\u003cli data-start=\"2489\" data-end=\"2558\"\u003e\n\u003cp data-start=\"2491\" data-end=\"2558\"\u003e1 × 18650 External Battery Power Bank Case (Battery Not Included)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2559\" data-end=\"2575\"\u003e\n\u003cp data-start=\"2561\" data-end=\"2575\"\u003e1 × Keychain\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"2577\" data-end=\"2709\"\u003e\u003cem data-start=\"2577\" data-end=\"2709\"\u003eNote: Due to lighting and display differences, actual color may vary slightly. Manual measurements may allow a ±1–3 cm difference.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr data-start=\"2711\" data-end=\"2714\"\u003e\n\u003ch3 data-start=\"2716\" data-end=\"2734\"\u003e👍 Pros \u0026amp; Cons\u003c\/h3\u003e\n\u003cp data-start=\"2735\" data-end=\"2893\"\u003e\u003cstrong data-start=\"2735\" data-end=\"2744\"\u003ePros:\u003c\/strong\u003e Customizable capacity, dual USB output, safety protection, portable design\u003cbr data-start=\"2819\" data-end=\"2822\"\u003e\u003cstrong data-start=\"2822\" data-end=\"2831\"\u003eCons:\u003c\/strong\u003e Batteries not included; requires user-installed 18650 cells\u003c\/p\u003e\n\u003chr data-start=\"2895\" data-end=\"2898\"\u003e\n\u003ch3 data-start=\"2900\" data-end=\"2945\"\u003e🌍 Why Choose This 18650 Power Bank Case?\u003c\/h3\u003e\n\u003cp data-start=\"2946\" data-end=\"3162\"\u003eCompared to pre-built power banks, this \u003cstrong data-start=\"2986\" data-end=\"3025\"\u003e18650 external battery charger case\u003c\/strong\u003e gives you \u003cstrong data-start=\"3036\" data-end=\"3098\"\u003eflexibility, cost efficiency, and easy battery replacement\u003c\/strong\u003e, making it a smart option for DIY users and backup power needs.\u003c\/p\u003e\n\u003cp data-start=\"3164\" data-end=\"3258\"\u003e🛒 \u003cstrong data-start=\"3167\" data-end=\"3210\"\u003eAdd to cart now — limited availability!\u003c\/strong\u003e\u003cbr data-start=\"3210\" data-end=\"3213\"\u003eBuild your own portable power solution today.\u003c\/p\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/luckyretail.com\/Uploadfile\/201908075\/073085A1\/073085A1-3.JPG\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/luckyretail.com\/Uploadfile\/201908075\/073085A1\/073085A1-2.JPG\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/luckyretail.com\/Uploadfile\/201908075\/073085A1\/073085A1-4.JPG\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/luckyretail.com\/Uploadfile\/201908075\/073085A1\/073085A1-1.JPG\"\u003e\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"http:\/\/luckyretail.com\/Uploadfile\/201908075\/073085A1\/073085A1.JPG\"\u003e\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\/olevo-magnetic-wireless-power-bank-magsafe\"\u003eolevo Magnetic Wireless Power Bank | MagSafe Fast Charger\u003c\/a\u003e\u003c\/li\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\/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\u003e18650 Power Bank Case\u003c\/strong\u003e is a DIY 18650 power bank case with dual USB output, letting you build a custom portable charger using your own lithium cells.\u003c\/p\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\/bluetooth-54-clip-on-sports-earphone-hifi-wireless\"\u003e'Maerknon Bluetooth 5.4 Earphone' - Affordable Wireless\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/bj0b8k-kg.myshopify.com\/products\/tws-bluetooth-5-3-earbuds-mic-waterproof\"\u003e'Premium' Wireless Earbuds for Tech Enthusiasts - Water\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/bj0b8k-kg.myshopify.com\/products\/jeff-s-favorite-pick-top-rated-seametal-rearview-mirror-phon\"\u003e*Jeff's Favorite Pick* Top-Rated SEAMETAL Rearview Mirr\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\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\"\u003eWhat 18650 batteries is this power bank compatible with?\u003c\/strong\u003e\u003cp class=\"faq-a\" style=\"margin-top:4px;color:#555;\"\u003eThis power bank case is compatible with standard 18650 lithium-ion batteries, including unprotected and protected cells.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\" style=\"margin-bottom:12px;\"\u003e\n\u003cstrong class=\"faq-q\"\u003eIs the power bank case made with high-quality materials?\u003c\/strong\u003e\u003cp class=\"faq-a\" style=\"margin-top:4px;color:#555;\"\u003eYes, our power bank case is crafted with durable ABS plastic and stainless steel components for long-lasting performance and minimal wear.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\" style=\"margin-bottom:12px;\"\u003e\n\u003cstrong class=\"faq-q\"\u003eWhat is your return and shipping policy?\u003c\/strong\u003e\u003cp class=\"faq-a\" style=\"margin-top:4px;color:#555;\"\u003eAll orders are shipped within 24-48 hours and qualify for a 30-day money-back guarantee, as well as a lifetime warranty on quality-related issues.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\" style=\"margin-bottom:12px;\"\u003e\n\u003cstrong class=\"faq-q\"\u003eHow do I use and charge the power bank case?\u003c\/strong\u003e\u003cp class=\"faq-a\" style=\"margin-top:4px;color:#555;\"\u003eTo charge the power bank case, simply insert a 18650 battery into the case and connect it to a USB cable or a power bank charger. The power bank case can charge devices via USB-C or standard USB outlets.\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 a good value for the price?\u003c\/strong\u003e\u003cp class=\"faq-a\" style=\"margin-top:4px;color:#555;\"\u003eAt $4.66, this power bank case is an excellent value for DIY users who want a flexible and customizable charging solution without breaking the bank.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"JEFF's Favorite Picks","offers":[{"title":"0-2000mAh","offer_id":53771176608116,"sku":"200001054:241486261","price":5.13,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/6601\/5860\/files\/S1cc2113dd51e4e07a7ade948606a5d1eO.webp?v=1766553918","url":"https:\/\/www.jeffsfavoritepicks.com\/products\/18650-power-bank-diy-portable-charger-case-jeff-s-favorite-p","provider":"JEFF's Favorite Picks","version":"1.0","type":"link"}