Just a simple little mod on my Door lock.
Reviewed here:
The batteries last approx 6-12 months depending on usage.
Changing the batteries is not arduous at all, and its only a single phillips screw to access 4x aaa’s.
But this time around, I decided to change the power supply method.
I grabbed a usb powerbank.
A USB cable, and chopped the end off, split and stripped the ends.
I pulled the backend off, and passed the ends through from the rear.
Soldered to the terminals.
Closed it up, put the backend back on.
Plugged it into the powerbank, and mounted it to the door with Velcro.
(I’ll design and 3D print a mount when I settle on a powerbank)