{"product_id":"products-21x18650-diy-power-bank-case-flashlight-wireless","title":"21x18650 DIY Power Bank Case with Flashlight \u0026 Wireless","description":"\u003cp dir=\"ltr\"\u003eBuild your own high-capacity power bank with this solderless 18650 battery storage case, holding up to 21 flat-head 18650 cells (batteries not included). Simply drop in your batteries and go — no welding required, and cells are removable and swappable anytime. A built-in dual-LED flashlight with 3 modes adds everyday utility for camping, emergencies, and outdoor use.\u003c\/p\u003e\n\u003cp dir=\"ltr\"\u003eKey Features:\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eHolds 21 x 18650 flat-head batteries — solderless, no welding needed\u003c\/li\u003e\n\u003cli\u003eRemovable, swappable battery design for easy maintenance\u003c\/li\u003e\n\u003cli\u003eDual USB output for charging two devices at once\u003c\/li\u003e\n\u003cli\u003eBuilt-in flashlight with 3 modes: steady beam, slow flash, high-blink (SOS)\u003c\/li\u003e\n\u003cli\u003eAnti-reverse polarity protection for safe charging\u003c\/li\u003e\n\u003cli\u003eMultiple input options: DC input, Micro-USB, USB-C\u003c\/li\u003e\n\u003cli\u003eAvailable in 4 configurations to match your charging needs (see below)\u003c\/li\u003e\n\u003cli\u003eCompact DIY shell — perfect for camping, emergency kits \u0026amp; backup power projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003eAvailable Variants:\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eT21 — Standard: 5V\/2.1A input \u0026amp; output\u003c\/li\u003e\n\u003cli\u003eT21 QI — Adds 5W wireless charging output\u003c\/li\u003e\n\u003cli\u003eT21 PD — PD3.0 fast charge: 5V-3A \/ 9V-2A \/ 12V-1.5A\u003c\/li\u003e\n\u003cli\u003eT21 PD QI — Full-featured: PD3.0 + QC4.0 fast charge, up to 15W wireless charging, max output 5V-4.5A\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003eSpecifications:\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003eCapacity: Holds 21 x 18650 batteries (not included; use new cells rated above 3.2V)\u003c\/li\u003e\n\u003cli\u003eOutput: Dual USB + wireless (QI models), up to 15W wireless \/ 22.5W wired (PD QI)\u003c\/li\u003e\n\u003cli\u003eInput: DC \/ Micro-USB \/ USB-C\u003c\/li\u003e\n\u003cli\u003eProtection: Anti-reverse protection\u003c\/li\u003e\n\u003cli\u003eShell Type: Detachable, solderless DIY case\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003ePackage Contents:\u003c\/p\u003e\n\u003cul dir=\"ltr\"\u003e\n\u003cli\u003e1 x 21x18650 Battery Power Bank Case (batteries not included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp dir=\"ltr\"\u003eShips to US, Canada \u0026amp; Europe. Free shipping available. 30-day easy returns.\u003c\/p\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e\n\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S18c3e8b313d849be88e53fcaf450868eV.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sd389b7dd78e34a80aad67265efd0bd95e.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S411723d684324ef1bd1b58a939b67d8c2.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S6293014486a44fb8833f54c60acca346T.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S50d0da007c03478c817614e1a30b1602K.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S3a54b60de21e4f2d87ab24d070425d6fe.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S8b10743ee22045b3b3f540d9a3e735641.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S6835d6fb66024d22bc13e669fff592915.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Sadf81eb255b946628007a0b37e26800cB.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/Se3e8c4e694994721b9d64bf666c2c54f4.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_image\"\u003e\n\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S0bc719d0e99943d8b52e1bc75bb225ba5.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S963df1e2012d457195feab45f4df9aa7j.jpg\"\u003e\u003cimg class=\"detail-desc-decorate-image\" src=\"https:\/\/ae01.alicdn.com\/kf\/S4b53985af4dd482dabf8e694709f91baw.jpg\"\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-weight: bold; text-align: center; display: block; width: 100%;\" align=\"center\"\u003eFeedback\u003c\/p\u003e\n\u003cp style=\"text-align: center; display: block; width: 100%;\" align=\"center\"\u003eAs your feedback is very important to our development, we sincerely invite you to leave positive feedback for us if you are satisfied with our product and service.please remember give us five stars, as our reward!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"detailmodule_text\"\u003e\n\u003cp style=\"font-weight: bold; text-align: center; color: rgb(74, 144, 226); display: block; width: 100%;\" align=\"center\"\u003eWELCOME TO NEXT VISIT\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"JEFF's Favorite Picks","offers":[{"title":"T21 Black","offer_id":55250880823668,"sku":"14:1052#T21 Black","price":34.36,"currency_code":"USD","in_stock":true},{"title":"T21 PD Black","offer_id":55250880856436,"sku":"14:366#T21 PD Black","price":43.23,"currency_code":"USD","in_stock":true},{"title":"T21 PD QI White","offer_id":55250880889204,"sku":"14:29#T21 PD QI White","price":49.1,"currency_code":"USD","in_stock":true},{"title":"T21 QI Black","offer_id":55250880921972,"sku":"14:193#T21 QI Black","price":40.7,"currency_code":"USD","in_stock":true},{"title":"T21 PD QI Black","offer_id":55250880954740,"sku":"14:175#T21 PD QI Black","price":49.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0911\/6601\/5860\/files\/S0bc719d0e99943d8b52e1bc75bb225ba5.webp?v=1787969342","url":"https:\/\/www.jeffsfavoritepicks.com\/en-eu\/products\/products-21x18650-diy-power-bank-case-flashlight-wireless","provider":"JEFF's Favorite Picks","version":"1.0","type":"link"}