5Pack DC 5.5mm x 2.1mm Female to USB A Female Power Adapter | DC to USB Converter: Perfectly powers USB devices via barrel jack, like small fans, wireless routers, lamps & speakers.

DC 5.5x2.1mm Female to USB Type-A Female Barrel Power AdapterIn arranging wireless routers, desktop LED lights and carrying out low-voltage hardware maintenance & DIY projects, mismatched power ports bring much trouble and extra cost. Our DC 5.5x2.1mm female to USB 2.0 Type-A female straight adapter realizes flexible power conversion, saves installation space and provides stable heat dissipation performance.Why Choose Our DC-to-USB Female Power Adapter?Convert DC Port to Standard USB-A Socket: Practical power converter that turns DC barrel male power supplies into universal USB-A female ports for daily USB small appliances.Stable Copper Contacts & Tight Connection: Adopt high-purity solid copper contacts with sturdy injection molding. The structure has low resistance and steady current output, and the internal pins fit closely to reduce loose connectors and intermittent power caused by slight shaking.Mini Pocket Design: Ultra-small lightweight straight shape saves storage space, easy to put into wallets, tool bags and travel pouches, great for temporary wiring and equipment repair replacement.Crucial Technical Caution & Note:5V Only Restriction: This adapter only works under consistent 5V input & output, max safe current 3A (15W). It cannot convert voltage, do not use with 9V / 12V power sources.Power Only Function: 2-core design only for DC power conversion, no data transmission, not fit for laptops.Broad Versatile Application Scenarios:This practical conversion connector works with wall chargers, centralized power boxes and power banks to supply power for below devices:Network & Audio Devices: Low-power wireless routers, Bluetooth speakers, small media players, 5V smart home sensorsLighting & Desktop Gear: LED desk lamps, bedside lights, cabinet light strips, mini cooling fans, development circuit boardsDIY & Repair: Reuse old DC power adapters to match USB cables, solve port shortage during equipment testingProduct Specifications:Input: DC 5.5mm x 2.1mm Female Barrel Jack (Tight Contact)Output: USB 2.0 Type-A Female Jack (Nickel-Plated Anti-Oxidation Slot)Contact Material: High-Conductivity Solid Copper CoreHousing: High-Strength Insulated Wear-Resistant PVCRated Parameter: Only for 5V DC, Max Safe Current 3ADurability: Stable connection after frequent plug and unplug operations

• DC5521 TO USB A FEMALE: Features a standard DC 5.5mm x 2.1mm female barrel jack on one end and a USB 2.0 Type-A female socket on the other. This premium usb to dc adapter allows you to easily plug your standard USB cables into a DC power source
• SOLID CONSTRUCTION & THERMAL SAFETY: Crafted from high-conductivity pure copper contacts and a heat-resistant jacket. This robust dc to usb adapter converter guarantees low electrical resistance, maintaining a stable current delivery with maximum thermal safety
• IMPORTANT 5V VOLTAGE NOTE: This practical dc female to usb male power link operates safely only under a regulated 5V power environment. Please confirm your power source voltage before use, as it does not support 9V or 12V inputs
• SNUG FIT & SECURE CHARGING: Designed purely for interface power conversion to achieve a wobble-free, tight connection with your USB cable tips. This compact dc gender changer provides robust charging connectivity but does not support data transmission services
• BROAD 5V CABLE APPLICATIONS: Highly compatible with a wide array of low-power everyday electronics. It serves as an essential bridge to securely and properly power mini desktop fans, LED desk lamps, television boxes, and wireless routers via standard USB cords