Battery display: Two green light – high quantity of electricity
One green light – middle quantity of electricity
Red light-low quantity of electricity
Features:
1.. Support replacement of 18650 Li-battery. Easy to use and secure
2. Can also be use as Battery charger for 18650 batteries
3. Plug and Play, power output using the USB port, plug the data cable to achieve portable, ready to charge
4.The output voltage is 5V to 24V,the range of the adaptation is very wide,and the power is large.
How to use?
1.When you turn on the switch,at least one light will bright normally.
2.Plug the 8.4V DC port to charge,it will show red light when charge it, full of electricity,it will show green light.
3.If you want to change the voltage,open the battery box,use the screwdriver to twisted the precision adjustable resistor,if you rotate it clockwise,it reduce,conversely,it will rise.
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