--- product_id: 192686188 title: "Portable Charger 20000mAh 8 x 18650 Batteries Power Bank Kit Case Shell Dual USB + Type-C + Micro USB Port for iPhone, and Other Devices(White)" brand: "oumij" price: "97492₫" currency: VND in_stock: false reviews_count: 8 url: https://www.desertcart.vn/products/192686188-portable-charger-20000mah-8-x-18650-batteries-power-bank-kit store_origin: VN region: Vietnam --- # Dual LCD indicator for real-time status 20000mAh capacity powerhouse Quad-port charging versatility Portable Charger 20000mAh 8 x 18650 Batteries Power Bank Kit Case Shell Dual USB + Type-C + Micro USB Port for iPhone, and Other Devices(White) **Brand:** oumij **Price:** 97492₫ **Availability:** ❌ Out of Stock ## Summary > ⚡ Power your hustle, anywhere, anytime! ## Quick Answers - **What is this?** Portable Charger 20000mAh 8 x 18650 Batteries Power Bank Kit Case Shell Dual USB + Type-C + Micro USB Port for iPhone, and Other Devices(White) by oumij - **How much does it cost?** 97492₫ with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/192686188-portable-charger-20000mah-8-x-18650-batteries-power-bank-kit) ## Best For - oumij enthusiasts ## Why This Product - Trusted oumij brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smart Safety Tech:** Built-in over-current, over-discharge, and overload protection for worry-free charging. - • **Quad Charging Ports:** Micro USB, Type-C input plus dual USB outputs keep all your devices juiced simultaneously. - • **Real-Time LCD Display:** Stay informed with dual indicator lights showing precise charging status at a glance. - • **Sleek & Portable Design:** Slim, lightweight shell fits perfectly in your bag or pocket — power on the go, effortlessly. - • **Massive 20000mAh Capacity:** Power through your day with 8 x 18650 batteries (not included) for unstoppable energy. ## Overview This DIY Portable Charger Kit features a durable plastic shell designed to house 8 flat-head 18650 batteries (not included), delivering up to 20000mAh capacity. Equipped with Micro USB and Type-C inputs plus dual USB outputs, it supports versatile charging for most 5V devices. The integrated safety protections and dual LCD indicators ensure reliable, real-time monitoring. Compact and lightweight, it’s perfect for professionals who demand customizable, high-capacity power solutions on the move. ## Description Specifications: Shell Material: Plastic Battery Model: 8 x 18650 Batteries(NOT included) Input Interface: 1 x Micro USB Port, 1 x Type-C Port Output Interface: 2 x USB Ports Capacity: 20000mAh Input Voltage: 5V 2A(Max) Output Voltage: 5V/1A, 5V/2A Charging Limited Voltage: 5.5V Color: White, Blue, Black(Optional) Compatible: For most digital devices(Output voltage of the device should be 5V) Size: Approx. 161 x x 22.5mm / 6.34 x 3.19 x 0.89 inch Package Weight: 95G Quantity: 1PC Note: 18650 Battery must be flat head, NOT the tip battery. 8 x 18650 Batteries are NOT included. Please follow the battery positive and negative installation(The negative pole of the battery attaches to the spring of the shell) This is a power bank kit, not a finished product. Package List: 1 x Power Bank DIY Kit (Including PCBA board and shell, other items in the pictures are not included.) Review: Fast delivery - exactly what was described - Fast delivery - exactly what was described Review: Impossible to use - Accidentally closed before puting the batteries and now can't open the lid... ## Features - The mobile power supply has four charging ports, Micro USB input, dual USB output (1A/2A), Type-C input, which is more convenient to use. - The internal program of the mobile power supply has over-current protection, over-discharge and overload Wide compatibility with most digital devices (device output voltage should be 5V). - The dual indicator light LCD display of the mobile power supply can display the charging status. Portable design, easy to carry. This is just a case, not a finished product or a battery. - The mobile power supply can be placed in 8 18650 batteries and can reach 20000mAh. Please note that the 18650 battery must be flat, not the tip battery. - If you have any doubts about this product, please feel to contact with us. And we have a professional after-sales team to answer your questions within 24 hours. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07S87785X | | Amperage | 2 Amps | | Battery Capacity | 20000 Milliamp Hours | | Best Sellers Rank | 2,785 in Mobile Phone Portable Power Banks | | Brand Name | Oumij | | Colour | White | | Compatible Devices | iphone | | Compatible Phone Models | All Smartphone | | Connector Type | Micro USB | | Customer Reviews | 3.6 3.6 out of 5 stars (43) | | Item Dimensions L x W x Thickness | 16.1L x 8.1W x 2.3Th centimetres | | Manufacturer | Oumij | | Manufacturer Part Number | ucpzqh7fit-02 | | Number of Ports | 2 | | Other Special Features of the Product | Indicator,Portable,Portable Charger | | Output Current | 2 Amps | | Power Source | Battery Powered,Corded Electric | | Reusability | Rechargeable | | UPC | 787015796318 | | Voltage | 5.5 Volts | ## Product Details - **Battery capacity:** 20000 Milliamp Hours - **Brand:** Oumij - **Colour:** White - **Connector type:** Micro USB - **Special feature:** Indicator,Portable,Portable Charger ## Images ![Portable Charger 20000mAh 8 x 18650 Batteries Power Bank Kit Case Shell Dual USB + Type-C + Micro USB Port for iPhone, and Other Devices(White) - Image 1](https://m.media-amazon.com/images/I/41rNHvdVqGL.jpg) ![Portable Charger 20000mAh 8 x 18650 Batteries Power Bank Kit Case Shell Dual USB + Type-C + Micro USB Port for iPhone, and Other Devices(White) - Image 2](https://m.media-amazon.com/images/I/41PwUGnm-SL.jpg) ![Portable Charger 20000mAh 8 x 18650 Batteries Power Bank Kit Case Shell Dual USB + Type-C + Micro USB Port for iPhone, and Other Devices(White) - Image 3](https://m.media-amazon.com/images/I/41Jv3vc7zBL.jpg) ![Portable Charger 20000mAh 8 x 18650 Batteries Power Bank Kit Case Shell Dual USB + Type-C + Micro USB Port for iPhone, and Other Devices(White) - Image 4](https://m.media-amazon.com/images/I/41Dxj+rrWwL.jpg) ![Portable Charger 20000mAh 8 x 18650 Batteries Power Bank Kit Case Shell Dual USB + Type-C + Micro USB Port for iPhone, and Other Devices(White) - Image 5](https://m.media-amazon.com/images/I/61gk0Z7q07L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Fast delivery - exactly what was described *by O***A on 14 September 2021* Fast delivery - exactly what was described ### ⭐ Impossible to use *by M***T on 23 March 2023* Accidentally closed before puting the batteries and now can't open the lid... ### ⭐ melted *by J***Y on 18 August 2020* dangerous electronics ## Frequently Bought Together - Oumij Portable Charger 20000mAh 8 x 18650 Batteries Power Bank Kit Case Shell Dual USB + Type-C + Micro USB Port for iPhone, Samsung and Other Devices(White) - eSUN PLA Filament 1.75mm, PLA Basic Dimensional Accuracy +/- 0.05mm, 1KG Spool (2.2 LBS) Speedy Filament for 3D Printers,Grey - ELEGOO PLA Filament 1.75mm Sky Blue 1KG, Dimensional Accuracy +/- 0.02mm, 1kg Cardboard Spool(2.2lbs) 3D Printing Filament Fits for Most FDM 3D Printers --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.vn/products/192686188-portable-charger-20000mah-8-x-18650-batteries-power-bank-kit](https://www.desertcart.vn/products/192686188-portable-charger-20000mah-8-x-18650-batteries-power-bank-kit) --- *Product available on Desertcart Vietnam* *Store origin: VN* *Last updated: 2026-05-14*