Here is a punchy, high-converting short product description optimized for quick scanning on e-commerce product pages:
Product Highlights
- Universal Replacement: Fits 12V rechargeable fans like Kennedy, Defender, Sunca, Walton, and Click.
- Model ID: Genuine JS-2946S-2-SMT control board (2025 Revision 0 platform).
- Digital Display: Built-in 7-segment LED screen clearly shows fan speed levels and operational modes.
- USB Emergency Output: Integrated standard USB Type-A port transforms your fan into a backup phone charger.
- Smart Battery Protection: Features advanced overcharge and deep-discharge protection to extend 12V battery lifespan.
- Dual AC/DC Switching: Automatically toggles between mains power and battery power during load shedding.
Quick Summary
Restore your emergency fan to peak performance with the JS-2946S-2-SMT 12V Rechargeable Fan Circuit Board. Engineered as a high-durability replacement motherboard, this module features a crisp digital display for easy speed monitoring, tactile push-buttons, and multiple indicator LEDs (L-CH/H-CH). With an integrated USB port for charging devices and built-in battery safety management, it is the ultimate all-in-one repair solution for modern 12V charger fans.
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