--- product_id: 114507608 title: "[3-Pack] USB Power Boost line DC 5V to DC 5V / 9V / 12V Step UP USB Module Adapter Cable Converter 2.1x5.5mm Plug (5V, Volt Number)" brand: "lcw" price: "FREE" currency: DKK in_stock: false category: "Aht" url: https://www.desertcart.dk/products/114507608-3-pack-usb-power-boost-line-dc-5v-to-dc store_origin: DK region: Denmark --- # [3-Pack] USB Power Boost line DC 5V to DC 5V / 9V / 12V Step UP USB Module Adapter Cable Converter 2.1x5.5mm Plug (5V, Volt Number) **Brand:** lcw **Price:** FREE **Availability:** ❌ Out of Stock ## Quick Answers - **What is this?** [3-Pack] USB Power Boost line DC 5V to DC 5V / 9V / 12V Step UP USB Module Adapter Cable Converter 2.1x5.5mm Plug (5V, Volt Number) by lcw - **How much does it cost?** FREE with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.dk](https://www.desertcart.dk/products/114507608-3-pack-usb-power-boost-line-dc-5v-to-dc) ## Best For - lcw enthusiasts ## Why This Product - Trusted lcw brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Description Size:5V  |  Color:Volt number 1. With this cable, you can connect your power bank to the router. Thus, when the power is cut off, you can use your power bank to supply your router! 2. Use this cable, you can supply your car air purifier by the power bank USB cable to DC5.5 * 2.1mm charging cable power supply cable hole 5V / 9V / 12V USB cable [Introduction]: when loading the treasure to feed other devices. Such as: routers, USB lights, USB fan, radiator, mini 5 V speakers, and so on ... DC power size: diameter: 5.5mm, inner diameter: 2.1mm; positive with 1 meter cable length [Difference between the three lines] 5 V straight through: pure power cable, USB input is 5 V, DC power output plug 5 V and 9 V impulse: with the pulse components, the input voltage of 5V through USB components, the impulse to 9V voltage 0.8 ~ 1A 12v-through: with pulse components, the input voltage 5 V through USB components, powered at 12 V voltage 0.8 ~ 1A Pro, buy the following criteria 1: Voltage selection Pro directly on the back of the product label , or you can see the power products, power supply input 5 V, 9 V and 12 V standard, depending on your router choose our corresponding pro impulse cable. (9 V, 12 V output boost line 0.8 ~ 1A, if you are a product you can not use more than 1A) ## Features - With this cable, you can connect your power bank to the router. Thus, when the power is cut off, you can use your power bank to supply your router! - Use this cable, you can supply your car air purifier by the Power Bank - USB cable to DC5.5 * 2.1mm charging cable power supply cable hole 5V / 9V / 12V USB cable - [Introduction]: when charging the treasure to feed other devices. Such as: routers, USB lights, USB fan, radiator, mini 5V speakers, and so on - DC power size: diameter: 5.5mm, internal diameter: 2.1mm; positive with 1 meter cable length ## Images ![[3-Pack] USB Power Boost line DC 5V to DC 5V / 9V / 12V Step UP USB Module Adapter Cable Converter 2.1x5.5mm Plug (5V, Volt Number) - Image 1](https://images-na.ssl-images-amazon.com/images/I/41klgdqTlOL.jpg) ![[3-Pack] USB Power Boost line DC 5V to DC 5V / 9V / 12V Step UP USB Module Adapter Cable Converter 2.1x5.5mm Plug (5V, Volt Number) - Image 2](https://images-na.ssl-images-amazon.com/images/I/31cpZxMNsZL.jpg) ![[3-Pack] USB Power Boost line DC 5V to DC 5V / 9V / 12V Step UP USB Module Adapter Cable Converter 2.1x5.5mm Plug (5V, Volt Number) - Image 3](https://images-na.ssl-images-amazon.com/images/I/31NMHPq0pvL.jpg) ![[3-Pack] USB Power Boost line DC 5V to DC 5V / 9V / 12V Step UP USB Module Adapter Cable Converter 2.1x5.5mm Plug (5V, Volt Number) - Image 4](https://images-na.ssl-images-amazon.com/images/I/31oCH7t43PL.jpg) ![[3-Pack] USB Power Boost line DC 5V to DC 5V / 9V / 12V Step UP USB Module Adapter Cable Converter 2.1x5.5mm Plug (5V, Volt Number) - Image 5](https://images-na.ssl-images-amazon.com/images/I/31Cyo89FTIL.jpg) --- ## 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.dk/products/114507608-3-pack-usb-power-boost-line-dc-5v-to-dc](https://www.desertcart.dk/products/114507608-3-pack-usb-power-boost-line-dc-5v-to-dc) --- *Product available on Desertcart Denmark* *Store origin: DK* *Last updated: 2026-04-28*