USB Data Blocking Converter — Secure 12V/3A Charging Why you need it Prevents juice jacking by blocking data lines while allowing power to pass, so you can charge without risking data theft or malware. Provides stable 12V/3A power output to support demanding devices that require higher-current charging. Built with an aluminum alloy shell for durability and reliable long-term use in daily and travel environments. Key benefits Security: physically separates data from power to protect phones, tablets, and other USB devices at public chargers. Performance: supports up to 12V/3A charging to maintain fast, consistent power delivery for compatible devices. Compatibility: works with a wide range of USB gadgets and chargers that accept a data-blocked power connection. Durability: aluminum alloy housing resists wear and helps ensure steady electrical contact over repeated use. Ease of use: plug-and-play design requires no software or setup — just insert between charger and device cable. What it solves Eliminates the risk of unauthorized data access or malware transfer from untrusted charging ports. Ensures your device receives stable power when using third-party or public charging stations. Reduces the need to carry bulky adapters or rely on only personal power banks for secure charging. Typical use scenarios Airports and train stations: plug into public charging kiosks or wall chargers without exposing your device data. Hotels and conference centers: charge in shared spaces while preventing data access from unfamiliar USB ports. Business travel and commuting: secure charging in coworking spaces, client sites, or during long trips where only public USB power is available. Specifications and fit Function: USB data blocker / power-only converter Power: 12V / 3A charging support Material: aluminum alloy shell Compatibility: compatible with a wide variety of USB devices and chargers that accept a power-only interface Who it's for Individuals who prioritize device security and data privacy Frequent travelers and commuters who use public chargers Professionals who need reliable, efficient power management without risking data exposure Use this USB Data Blocking converter whenever you need secure, stable charging from unknown or shared USB power sources.