The MH-KC24 is a specialized DC-DC step-down converter designed specifically for fast-charging mobile devices. It takes a wide range of input voltages (from 6V to 32V) and converts it into a high-speed USB output. The built-in intelligent chip automatically recognizes the fast-charging protocol of the connected device (Apple, Android, Samsung, etc.) and adjusts the voltage accordingly (from 3V to 12V) to maximize charging speed without damaging the battery.
Qualcomm: QC 2.0 / QC 3.0
Apple: 2.4A Fast Charge
Samsung: AFC (Adaptive Fast Charging)
Huawei: FCP (Fast Charger Protocol)
BC1.2: DCP (Dedicated Charging Port) protocol
Automatic Negotiation: Intelligently adjusts output voltage between 3V and 12V based on your phones requirements.
High Efficiency: Up to 97% conversion efficiency, keeping the module cool even during 24W fast charging.
Wide Input Range: Perfect for cars (12V), trucks (24V), solar panels, or large Li-Po battery packs.
Complete Protection: Includes input over-voltage, under-voltage, output over-current, and short-circuit protection.
Compact Design: Small enough to be hidden behind a car dashboard or inside a small project box.
| Feature | Specification |
| Input Voltage | 6V 32V DC |
| Output Voltage | Default 5V (Adjusts to 3V-12V for Fast Charge) |
| Output Power | Max 24W (5V/3.4A, 9V/2.5A, 12V/2A) |
| Efficiency | 90% 97% |
| Switching Frequency | 220 KHz |
| Dimensions | 34mm x 17mm x 9mm |
DIY Solar Charger: Connect a 12V or 18V solar panel directly to charge your phone at full speed.
Car/Truck USB Upgrade: Replace slow factory USB ports with a true QC3.0 fast charger.
Field Charging Station: Use your 3S or 4S Li-Po drone batteries to charge your smartphone in the field.
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