Tired of mismatched adapters slowing down your projects or equipment? Say hello to the HaiFyer 5V/12V AC-DC Adapter with JST-SYR-2p Connector – where dual-voltage flexibility, tailored connectivity, and rock-solid performance come together.
- Dual Voltage Mastery: Switch seamlessly between 5V and 12V to power everything from tiny IoT gadgets to industrial modules. One adapter, endless possibilities.
- JST-SYR-2p Precision: No more loose connections or compatibility headaches. This adapter’s built-in JST-SYR-2p connector locks in tight, ensuring stable power for your devices.
- Customization at Its Best: Need a different voltage, connector, or cable length? As your “customization expert,” we build adapters that fit your exact needs.
- Global Ready: AC 100-240V input works flawlessly worldwide – perfect for exports, international teams, or multi-region projects.

- Consumer Electronics: Fuel LED strips, smart home devices, or hobbyist builds with precise 5V/12V power.
- Industrial Gear: Keep sensors, control units, or automation tools running with the JST-SYR-2p’s reliable connection.
- DIY & Innovation: Makers and engineers, this is your go-to power source for custom projects that demand accuracy.
We’ve spent years perfecting power solutions – and it shows. Every adapter is tested for voltage stability, safety, and durability. Plus, our team is always ready to craft a custom adapter just for you.
Ready to ditch adapter frustration? Click “Add to Cart” or contact us to build your perfect power solution.
Power customized. Trust HaiFyer.
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