usb powered air mattress pump

2020/06/14
Everyone who goes camping will encounter his problems.
Everything including tents and air mattresses is ready.
You take out your air mattress pump. . . Ohh no!
The battery is dead again!
This structure shows how to convert 4-
The Dcell air mattress blower is a 5v USB power supply.
This can be plugged into any USB port, including a car charger or a phone charger.
The battery is dead!
Drill holes on the side of the blower to feed the wires inside.
Peel back the wires on the USB cable and cut off the green and white wires.
These are usually data lines that are not used.
Before cutting off the wire, make sure to check the voltage using the meter.
You will be using wires in red and black.
Red is your front (+)
Symbol and black are your negatives (-)symbol.
Once you pass the wire through the hole, make a knot on the cable to prevent it from being ripped off.
Peel the plastic sheaths off them and weld them to the correct temperature.
If there are more than two terminals inside the blower, check the continuity between them using 1 m. Your done!
The battery is dead!
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