KN-2986-3-SMT Rechargeable Fan Circuit Board
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৳ 400.00৳ 500.00 (-20%)
The KN-2986-3-SMT is a universal 12V DC replacement driver board designed for multi-speed rechargeable emergency fans. Compatible with major brands like Defender, Kennede, and Sunca, it features integrated tactile control switches, dual-status LED indicators, a built-in 4-LED emergency nightlight, and SMT power regulation to protect against overcharging.
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KN-2986-3-SMT Rechargeable Fan Circuit Board
The KN-2986-3-SMT is a high-performance, universal replacement printed circuit board (PCB) designed specifically for 12V DC rechargeable emergency fans. Widely utilized as an OEM and aftermarket driver module, this board is fully compatible with popular portable charger fan brands such as Defender, Kennede, Sunca, and Benze. It serves as the primary control center, regulating power distribution between the main power supply, storage battery, fan motor, and built-in lighting elements.
KN-2986-3-SMT Rechargeable Fan Circuit Board
Advanced Functionality & Construction
Engineered utilizing Surface Mount Technology (SMT), the board features a highly compact, vibration-resistant, and low-profile layout that easily drops into existing fan housing compartments. The centralized control matrix relies on durable tactile push-buttons that allow users to toggle seamlessly between multiple fan speed modes (Low, Medium, High) and control secondary light arrays.
KN-2986-3-SMT Rechargeable Fan Circuit Board
Power Management & Safety Controls
Designed to function reliably with standard 12V sealed lead-acid (SLA) batteries or equivalent lithium setups, the circuit incorporates dedicated on-board filtering capacitors. These premium electrolytic components smooth out voltage ripples during AC-to-DC conversion, protecting sensitive internal microchips from sudden power surges. The integrated power regulation tracks battery thresholds to help mitigate risk of overcharging or deep discharging, successfully extending the overall lifespan of the connected battery pack.
Integrated Visual Indicators & Emergency Lighting
- Dynamic Status Tracking: Elevated, high-visibility red and green LEDs provide instant visual telemetry regarding the system’s current state (e.g., active AC charging versus independent battery operation).
- Auxiliary Light Bank: Features a side-mounted array of four high-efficiency, clear white LEDs. This array functions as an integrated emergency nightlight or reading lamp, drawing minimal current to maximize backup runtime during extended electrical blackouts.
KN-2986-3-SMT Rechargeable Fan Circuit Board
Technical Summary
- Model Designation: KN-2986-3-SMT / BZ-2986HS Series [1]
- Operating Voltage: 12V DC nominal [1]
- Application Scope: Multi-speed rechargeable cooling fans with integrated emergency lamps [1]
- Component Type: SMT integrated control and driver board [1]
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