High-concerned chemical : none
Model Number : USB28 charging driver board power circuit board
Compatible Brand/Model : None
Brand Name : occkic
Origin : Mainland China
Features:
1.Suitable for 1 or 2 parallel 3.7V 18650, 26650 lithium batteries, capable of supplying power to L2/U2 and other bulbs, with an input voltage of 3.0-4.2V;
2.The output current of the circuit board is 900-1800MA;
3.Adopting imported MCU IC dimming, with three dimming modes: strong, weak, and flashing/infinite dimming;
4.The IC is equipped with built-in over temperature protection, and the circuit design is reversed to install lithium battery protection. When the lithium battery is reversed, it will not damage the circuit board, light bulb, and lithium battery;
5.It adopts a gold-plated design, with a diameter of 25MM/26MM/28MM optional, and 1mm convex grooves on both sides (fixed function).
Parameters:
Style 1: 25mm DC port drive board
Output voltage: 3.7V
Output current: 1.8A
Product diameter: 25mm
Suitable for bulbs: U2/L2
Suitable for batteries: 1 18650/26650
2 parallel 18650/26650
Charging interface: 3.5mm DC interface
Battery indicator: low battery, red light on
Full power on green light
Style 2: 26mm USB port driver board
Output voltage: 3.7V
Output current: 1.8A
Product diameter: 26mm
Suitable for bulbs: U2/L2
Suitable for batteries: 1 18650/26650
2 parallel 18650/26650
Charging interface: USB charging head (For Android)
Battery indicator: low battery, red light on
Full power on green light
Style 3: 28mm USB port driver board
Output voltage: 3.7V
Output current: 1.8A
Product diameter: 28mm
Switch position: third gear (strong weak flashing)
Suitable for bulbs: U2/L2
Suitable for batteries: 1 18650/26650
2 parallel 18650/26650
Charging interface: Android USB charging port
Battery indicator: low battery, red light on
Full power on green light
Attention:
1. This circuit board does not support 2 or more 3.7V lithium batteries connected in series, and the circuit board may be burnt out;
2. This circuit board cannot be connected to low current bulbs such as Q5/R5, and the bulbs need to be burned;
3. The new circuit board does not come with welding wires and springs;
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