1Pc 5V-20V to 5V 3A Dual USB Charger Regulator for Solar Panel Power Bank Dual USB Charge Voltage Controller Charger

Instructions:
1. First, weld the positive and negative poles of the product to the positive and negative poles of the product with wires.
2. When there is a voltage input, the USB have a voltage output. Note: Do not reverse the positive and negative electrodes during use, as this burn out the circuit.
3. The output have a red indicator light.
Specification:
Size: 1.81 x 2.6 x 0.63in/4.6 x 6.6 x 1.6cm
Input voltage: 5-20V
Output voltage: 5V USB
Output current: 3000MA (MAX)
USB2.0 output: 5V 3000MA (MAX)
Uses: 5V working use of USB charging electronic products such as mobile phones
Material: plastic
colour: Black

Package Contents:
1 x Dual USB Charger Regulator

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.