
Universal USB Rechargeable Small Fan Circuit Board Mobile Fan Control Board 3.7V












Features:
1. Made of high quality material, durable and practical
2. Stable performance, three adjustable universal boards
3. Small size, high efficiency, easy to use
4. Exquisite appearance, beautiful arrangement of components
5. Wide range of applications, suitable for a variety of industrial DIY occasions
Parameter:
Input charging: 5V
Current limit 1A
Input voltage: 3-4.2V can not be exceeded
Protection: charging 4.2V protection, with lithium management protection
Battery <3.2V flashing blue light, 3 gears with blocking 2.8A protection, 5S after shutdown
Standby current: 0.7uA
Output PWM: 1-speed 40%, 2-speed 60%, 3-speed 100% through, 4 shutdown cycle, motor current 0-2.8A, more than 5 seconds after the shutdown of the output
Attention:
Only need to connect the battery and motor line + - to distinguish, to distinguish between the original machine can not be right, not get it plugged in can work!
Package include:
Small fan circuit board * 1
Terminal wire *2
1. Customer satisfaction is our top goal. We believe our items are so outstanding. All products are quality checked. They are new and in good condition when shipped to our customers. We are convinced you will be happy with your Purchase.
2. If product is defective or damage upon arrival, or wrong product shipped, please contact us immediately. Returns accepted within 30 days of delivery date and item must be in original new condition.
3. Please contact us first if you have any problems/questions/concerns. We will be happy to resolve any issues you may have in a cordial and friendly manner.
Please fill in the correct address and zip code and I will ship quickly!
If the item is defect when you receive it or you are not satisfied with it, please return it within 30 days for a replacement or money back. But the items must be back in factory condition. Please contact us and double check the return address before you return it.