{"product_id":"5pcs-3-7v-to-5v-1a-2a-boost-module-diy-power-bank-mainboard-circuit-board-built-in-18650-lithium-bat","title":"5pcs 3.7V To 5V 1A 2A Boost Module DIY Power Bank Mainboard Circuit Board Built In 18650 Lithium Bat","description":"\u003cstrong\u003eFeatures:\u003c\/strong\u003e  \u003cbr\u003e   \u003cbr\u003e       1. 4 level LED lights show electricity, non-working state smart automatic shutdown;         2. Built-in lithium battery protection IC, overcurrent, overvoltage, undervoltage protection;         3. Dual USB output;         4. Motherboard size: 69 x 32 x 8mm(L x W x H)         \u003cbr\u003e    \u003cstrong\u003eProduct basic parameters:\u003c\/strong\u003e   \u003cbr\u003e ?         Input port: Micro USB (Android port)         Input requirements: 5V constant voltage power supply can be used for charging input power, the most matching charger is 5V 1A or more         Output port: USB         Output parameters: 5V 1A \/ 5V 2A   \u003cbr\u003e    \u003cbr\u003e         \u003cstrong\u003eRequirements for rechargeable batteries:\u003c\/strong\u003e    \u003cbr\u003e ?            Available battery(3.7V-4.2V polymer lithium battery):    \u003cbr\u003e     \u003cbr\u003e 18650 battery, mobile phone battery, flat battery, MP3 battery, can choose single cell?power supply, or multiple cell?parallel power supply(does not support the series). (Note: increasing capacity in parallel and increasing voltage in series, can only be used in parallel!)    \u003cbr\u003e ?            Can be connected in parallel with 2-6 pcs 18650 batteries!!!    \u003cbr\u003e ?            Batteries are not available:    \u003cbr\u003e     \u003cbr\u003e Dry cells, batteries, 1.2V rechargeable batteries, nickel hydrogen batteries, 3.2V iron lithium polymers, lithium batteries, etc.    \u003cbr\u003e ?            \u003cstrong\u003eProduct installation should pay attention to the following points:\u003c\/strong\u003e    \u003cbr\u003e ?            1. The battery should be connected in parallel, only the voltage between 3.2-4.2V can work, 18650 flat head and polymer batteries are available;            2. The battery is connected to the motherboard,?B+ stands for the positive pole,?B-?stands for the negative pole, if it's?connected reversely will?burn the motherboard;            3. The old batteries and new batteries, the batteries which model and brands are inconsistent, these battery can not be mixed.       \u003cbr\u003e    \u003cstrong\u003ePackage included:\u003c\/strong\u003e   \u003cbr\u003e    \u003cbr\u003e 5 x?3.7V to 5V 2A boost module         \u003cimg src=\"https:\/\/img.banggood.com\/images\/oaupload\/banggood\/images\/FC\/65\/e65f90df-0013-496d-beea-624062336c79.JPG\"\u003e    \u003cbr\u003e     \u003cbr\u003e     \u003cimg src=\"https:\/\/img.banggood.com\/images\/oaupload\/banggood\/images\/8B\/4D\/83acde68-1067-457d-8f9f-d1e5276cefee.JPG\"\u003e            \u003cimg src=\"https:\/\/img.banggood.com\/images\/oaupload\/banggood\/images\/23\/71\/3a6a4468-abe6-429c-82e8-210e8e9c2263.JPG\"\u003e            \u003cimg src=\"https:\/\/img.banggood.com\/images\/oaupload\/banggood\/images\/4C\/8D\/9225d883-930e-4c1a-bcdb-7ce4af247ca0.jpg\"\u003e         \u003cbr\u003e","brand":"ZHIQIAN","offers":[{"title":"Default Title","offer_id":43935878348995,"sku":"ZHIQIAN-015084","price":606.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0661\/4355\/1683\/files\/34577588-bc65-4ce8-98e7-2f602901d854.jpg?v=1725950471","url":"https:\/\/wrsss.com\/products\/5pcs-3-7v-to-5v-1a-2a-boost-module-diy-power-bank-mainboard-circuit-board-built-in-18650-lithium-bat","provider":"Wrsss","version":"1.0","type":"link"}